/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/mult-4.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 08:55:32,327 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 08:55:32,329 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 08:55:32,364 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-10 08:55:32,415 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 08:55:32,454 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 08:55:32,454 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 08:55:32,455 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 08:55:32,455 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 08:55:32,457 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 08:55:32,457 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 08:55:32,457 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 08:55:32,457 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 08:55:32,457 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 08:55:32,457 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 08:55:32,458 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 08:55:32,458 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 08:55:32,458 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 08:55:32,458 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 08:55:32,458 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 08:55:32,459 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 08:55:32,459 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 08:55:32,459 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 08:55:32,459 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 08:55:32,459 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 08:55:32,459 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 08:55:32,459 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 08:55:32,459 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 08:55:32,459 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 08:55:32,459 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 08:55:32,460 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 08:55:32,460 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 08:55:32,460 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 08:55:32,460 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-10 08:55:32,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 08:55:32,460 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 08:55:32,460 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 08:55:32,460 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 08:55:32,461 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-07-10 08:55:32,461 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 08:55:32,745 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 08:55:32,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 08:55:32,766 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 08:55:32,767 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-10 08:55:32,768 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-10 08:55:32,769 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/mult-4.wvr.bpl [2021-07-10 08:55:32,769 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/mult-4.wvr.bpl' [2021-07-10 08:55:32,796 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 08:55:32,798 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-10 08:55:32,799 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 08:55:32,799 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 08:55:32,799 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 08:55:32,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:55:32" (1/1) ... [2021-07-10 08:55:32,814 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:55:32" (1/1) ... [2021-07-10 08:55:32,820 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 08:55:32,821 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 08:55:32,822 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 08:55:32,822 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 08:55:32,827 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:55:32" (1/1) ... [2021-07-10 08:55:32,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:55:32" (1/1) ... [2021-07-10 08:55:32,828 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:55:32" (1/1) ... [2021-07-10 08:55:32,828 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:55:32" (1/1) ... [2021-07-10 08:55:32,830 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:55:32" (1/1) ... [2021-07-10 08:55:32,832 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:55:32" (1/1) ... [2021-07-10 08:55:32,833 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:55:32" (1/1) ... [2021-07-10 08:55:32,834 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 08:55:32,834 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 08:55:32,835 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 08:55:32,835 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 08:55:32,836 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:55:32" (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 08:55:32,895 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-10 08:55:32,895 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 08:55:32,895 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 08:55:32,895 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-10 08:55:32,895 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 08:55:32,895 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 08:55:32,896 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-10 08:55:32,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 08:55:32,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 08:55:32,896 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-10 08:55:32,896 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-10 08:55:32,896 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-10 08:55:32,896 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-07-10 08:55:32,896 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-07-10 08:55:32,896 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-07-10 08:55:32,897 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 08:55:33,050 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 08:55:33,051 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-10 08:55:33,052 INFO L202 PluginConnector]: Adding new model mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 08:55:33 BoogieIcfgContainer [2021-07-10 08:55:33,052 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 08:55:33,054 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 08:55:33,054 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 08:55:33,056 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 08:55:33,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:55:32" (1/2) ... [2021-07-10 08:55:33,057 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53fe09c9 and model type mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 08:55:33, skipping insertion in model container [2021-07-10 08:55:33,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 08:55:33" (2/2) ... [2021-07-10 08:55:33,058 INFO L111 eAbstractionObserver]: Analyzing ICFG mult-4.wvr.bpl [2021-07-10 08:55:33,061 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 08:55:33,062 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 08:55:33,062 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 08:55:33,062 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 08:55:33,095 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-07-10 08:55:33,111 INFO L255 AbstractCegarLoop]: Starting to check reachability of 5 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 08:55:33,151 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 08:55:33,152 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 08:55:33,152 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 08:55:33,152 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 08:55:33,152 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 08:55:33,152 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 08:55:33,152 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 08:55:33,152 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 08:55:33,383 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:55:33,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:55:33,387 INFO L82 PathProgramCache]: Analyzing trace with hash -1855560354, now seen corresponding path program 1 times [2021-07-10 08:55:33,404 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:55:33,404 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399268585] [2021-07-10 08:55:33,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:55:33,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:55:33,681 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:55:33,682 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:55:33,682 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399268585] [2021-07-10 08:55:33,683 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399268585] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:55:33,683 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [871977042] [2021-07-10 08:55:33,683 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 08:55:33,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:55:33,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-10 08:55:33,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:55:33,942 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-10 08:55:33,943 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [871977042] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:55:33,943 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:55:33,943 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 6 [2021-07-10 08:55:33,945 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88803650] [2021-07-10 08:55:33,948 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-10 08:55:33,948 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:55:33,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-10 08:55:33,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-07-10 08:55:33,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:55:33,973 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:55:33,975 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 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 08:55:33,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:55:34,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 08:55:34,343 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-07-10 08:55:34,344 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:55:34,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:55:34,345 INFO L82 PathProgramCache]: Analyzing trace with hash -1151958974, now seen corresponding path program 2 times [2021-07-10 08:55:34,345 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:55:34,345 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473137175] [2021-07-10 08:55:34,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:55:34,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:55:34,455 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-10 08:55:34,455 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:55:34,455 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473137175] [2021-07-10 08:55:34,456 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473137175] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:55:34,456 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [301696190] [2021-07-10 08:55:34,456 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 08:55:34,497 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 08:55:34,497 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 08:55:34,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-10 08:55:34,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:55:34,596 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-10 08:55:34,596 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [301696190] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:55:34,596 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:55:34,596 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2021-07-10 08:55:34,596 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675231258] [2021-07-10 08:55:34,597 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-10 08:55:34,597 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:55:34,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-10 08:55:34,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-07-10 08:55:34,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:55:34,598 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:55:34,598 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 4.076923076923077) internal successors, (53), 12 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 08:55:34,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 08:55:34,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:55:34,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 08:55:34,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 08:55:35,046 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:55:35,046 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:55:35,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:55:35,047 INFO L82 PathProgramCache]: Analyzing trace with hash -2114621696, now seen corresponding path program 3 times [2021-07-10 08:55:35,047 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:55:35,047 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935343792] [2021-07-10 08:55:35,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:55:35,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:55:35,123 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 19 proven. 28 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-10 08:55:35,123 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:55:35,123 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935343792] [2021-07-10 08:55:35,123 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935343792] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:55:35,123 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1192935566] [2021-07-10 08:55:35,123 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 08:55:35,234 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-10 08:55:35,235 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 08:55:35,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 8 conjunts are in the unsatisfiable core [2021-07-10 08:55:35,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:55:35,384 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 8 proven. 15 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-07-10 08:55:35,384 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1192935566] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:55:35,384 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:55:35,385 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 14 [2021-07-10 08:55:35,385 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238498638] [2021-07-10 08:55:35,385 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-10 08:55:35,385 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:55:35,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-10 08:55:35,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2021-07-10 08:55:35,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:55:35,386 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:55:35,386 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 4.666666666666667) internal successors, (70), 14 states have internal predecessors, (70), 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 08:55:35,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 08:55:35,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 08:55:35,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:55:35,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 08:55:35,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 08:55:35,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-10 08:55:36,105 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:55:36,106 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:55:36,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:55:36,106 INFO L82 PathProgramCache]: Analyzing trace with hash -241191186, now seen corresponding path program 4 times [2021-07-10 08:55:36,106 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:55:36,106 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868849550] [2021-07-10 08:55:36,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:55:36,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:55:36,205 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 11 proven. 95 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-07-10 08:55:36,205 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:55:36,205 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868849550] [2021-07-10 08:55:36,205 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868849550] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:55:36,205 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1327134037] [2021-07-10 08:55:36,205 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 08:55:36,282 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 08:55:36,282 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 08:55:36,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-10 08:55:36,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:55:36,479 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 82 proven. 7 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-07-10 08:55:36,479 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1327134037] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:55:36,479 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:55:36,479 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 16 [2021-07-10 08:55:36,480 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583712040] [2021-07-10 08:55:36,480 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-10 08:55:36,480 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:55:36,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-10 08:55:36,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=221, Unknown=0, NotChecked=0, Total=272 [2021-07-10 08:55:36,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:55:36,481 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:55:36,481 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 4.764705882352941) internal successors, (81), 16 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 08:55:36,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 08:55:36,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 08:55:36,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-10 08:55:36,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:55:37,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 08:55:37,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 08:55:37,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-10 08:55:37,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-10 08:55:37,473 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:55:37,474 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:55:37,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:55:37,474 INFO L82 PathProgramCache]: Analyzing trace with hash -377720840, now seen corresponding path program 5 times [2021-07-10 08:55:37,474 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:55:37,474 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177327869] [2021-07-10 08:55:37,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:55:37,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:55:37,832 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 120 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:55:37,832 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:55:37,833 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177327869] [2021-07-10 08:55:37,833 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177327869] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:55:37,833 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [951020429] [2021-07-10 08:55:37,833 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 08:55:37,915 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-07-10 08:55:37,916 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 08:55:37,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 21 conjunts are in the unsatisfiable core [2021-07-10 08:55:37,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:55:38,279 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 181 proven. 20 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-07-10 08:55:38,279 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [951020429] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:55:38,279 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:55:38,279 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 11] total 36 [2021-07-10 08:55:38,279 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979115648] [2021-07-10 08:55:38,280 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-07-10 08:55:38,280 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:55:38,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-07-10 08:55:38,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=211, Invalid=1121, Unknown=0, NotChecked=0, Total=1332 [2021-07-10 08:55:38,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:55:38,281 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:55:38,281 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 3.5405405405405403) internal successors, (131), 36 states have internal predecessors, (131), 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 08:55:38,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 08:55:38,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 08:55:38,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-10 08:55:38,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-10 08:55:38,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:55:42,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 08:55:42,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 08:55:42,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-10 08:55:42,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-10 08:55:42,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2021-07-10 08:55:42,676 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:55:42,676 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:55:42,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:55:42,677 INFO L82 PathProgramCache]: Analyzing trace with hash 1328650402, now seen corresponding path program 6 times [2021-07-10 08:55:42,677 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:55:42,677 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214771001] [2021-07-10 08:55:42,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:55:42,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:55:45,195 INFO L134 CoverageAnalysis]: Checked inductivity of 1483 backedges. 860 proven. 623 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:55:45,196 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:55:45,196 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214771001] [2021-07-10 08:55:45,196 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214771001] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:55:45,196 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [922500565] [2021-07-10 08:55:45,196 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 08:55:45,281 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 21 check-sat command(s) [2021-07-10 08:55:45,282 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 08:55:45,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 24 conjunts are in the unsatisfiable core [2021-07-10 08:55:45,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:55:46,437 INFO L134 CoverageAnalysis]: Checked inductivity of 1483 backedges. 933 proven. 323 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2021-07-10 08:55:46,438 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [922500565] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:55:46,438 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:55:46,438 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [74, 21] total 94 [2021-07-10 08:55:46,438 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179939519] [2021-07-10 08:55:46,439 INFO L462 AbstractCegarLoop]: Interpolant automaton has 95 states [2021-07-10 08:55:46,439 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:55:46,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2021-07-10 08:55:46,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1629, Invalid=7301, Unknown=0, NotChecked=0, Total=8930 [2021-07-10 08:55:46,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:55:46,442 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:55:46,443 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 95 states, 95 states have (on average 2.768421052631579) internal successors, (263), 94 states have internal predecessors, (263), 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 08:55:46,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 08:55:46,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 08:55:46,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-10 08:55:46,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-10 08:55:46,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2021-07-10 08:55:46,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:55:49,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 08:55:50,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 08:55:50,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-10 08:55:50,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-10 08:55:50,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2021-07-10 08:55:50,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-10 08:55:50,222 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:55:50,222 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:55:50,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:55:50,223 INFO L82 PathProgramCache]: Analyzing trace with hash 140581170, now seen corresponding path program 7 times [2021-07-10 08:55:50,223 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:55:50,223 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299015511] [2021-07-10 08:55:50,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:55:50,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:55:50,603 INFO L134 CoverageAnalysis]: Checked inductivity of 2306 backedges. 1117 proven. 791 refuted. 0 times theorem prover too weak. 398 trivial. 0 not checked. [2021-07-10 08:55:50,604 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:55:50,604 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299015511] [2021-07-10 08:55:50,604 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299015511] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:55:50,604 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1004472835] [2021-07-10 08:55:50,604 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 08:55:50,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:55:50,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 596 conjuncts, 92 conjunts are in the unsatisfiable core [2021-07-10 08:55:50,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:55:51,241 INFO L134 CoverageAnalysis]: Checked inductivity of 2306 backedges. 234 proven. 1732 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2021-07-10 08:55:51,242 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1004472835] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:55:51,242 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:55:51,242 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 11] total 28 [2021-07-10 08:55:51,242 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950260335] [2021-07-10 08:55:51,242 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-07-10 08:55:51,243 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:55:51,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-07-10 08:55:51,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=643, Unknown=0, NotChecked=0, Total=756 [2021-07-10 08:55:51,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:55:51,243 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:55:51,243 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 6.428571428571429) internal successors, (180), 28 states have internal predecessors, (180), 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 08:55:51,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 08:55:51,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 08:55:51,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-10 08:55:51,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-10 08:55:51,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2021-07-10 08:55:51,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-10 08:55:51,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:55:53,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 08:55:53,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 08:55:53,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-10 08:55:53,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-10 08:55:53,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2021-07-10 08:55:53,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-10 08:55:53,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-10 08:55:54,096 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-07-10 08:55:54,097 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:55:54,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:55:54,097 INFO L82 PathProgramCache]: Analyzing trace with hash -283905890, now seen corresponding path program 8 times [2021-07-10 08:55:54,097 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:55:54,097 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923083885] [2021-07-10 08:55:54,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:55:54,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:55:54,501 INFO L134 CoverageAnalysis]: Checked inductivity of 2866 backedges. 729 proven. 1725 refuted. 0 times theorem prover too weak. 412 trivial. 0 not checked. [2021-07-10 08:55:54,501 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:55:54,501 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923083885] [2021-07-10 08:55:54,502 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923083885] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:55:54,502 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [17580177] [2021-07-10 08:55:54,502 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 08:55:54,637 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 08:55:54,637 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 08:55:54,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 63 conjunts are in the unsatisfiable core [2021-07-10 08:55:54,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:55:55,648 INFO L134 CoverageAnalysis]: Checked inductivity of 2866 backedges. 1539 proven. 1077 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2021-07-10 08:55:55,649 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [17580177] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:55:55,649 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:55:55,649 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 31] total 48 [2021-07-10 08:55:55,649 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357659357] [2021-07-10 08:55:55,649 INFO L462 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-07-10 08:55:55,649 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:55:55,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-07-10 08:55:55,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=385, Invalid=1967, Unknown=0, NotChecked=0, Total=2352 [2021-07-10 08:55:55,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:55:55,650 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:55:55,651 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 49 states, 49 states have (on average 5.346938775510204) internal successors, (262), 48 states have internal predecessors, (262), 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 08:55:55,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 08:55:55,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 08:55:55,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-10 08:55:55,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-10 08:55:55,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states. [2021-07-10 08:55:55,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-10 08:55:55,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-10 08:55:55,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:56:07,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 08:56:07,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 08:56:07,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-10 08:56:07,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-10 08:56:07,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2021-07-10 08:56:07,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-10 08:56:07,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-10 08:56:07,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 270 states. [2021-07-10 08:56:07,748 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:56:07,749 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:56:07,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:56:07,749 INFO L82 PathProgramCache]: Analyzing trace with hash -1293737360, now seen corresponding path program 9 times [2021-07-10 08:56:07,749 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:56:07,749 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379772407] [2021-07-10 08:56:07,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:56:07,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:56:19,318 INFO L134 CoverageAnalysis]: Checked inductivity of 12014 backedges. 8403 proven. 3567 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2021-07-10 08:56:19,319 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:56:19,319 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379772407] [2021-07-10 08:56:19,319 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379772407] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:56:19,319 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1290937506] [2021-07-10 08:56:19,319 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 08:56:19,571 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 49 check-sat command(s) [2021-07-10 08:56:19,571 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 08:56:19,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 1191 conjuncts, 80 conjunts are in the unsatisfiable core [2021-07-10 08:56:19,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:56:23,509 INFO L134 CoverageAnalysis]: Checked inductivity of 12014 backedges. 8257 proven. 2435 refuted. 0 times theorem prover too weak. 1322 trivial. 0 not checked. [2021-07-10 08:56:23,509 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1290937506] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:56:23,509 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:56:23,509 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [163, 37] total 199 [2021-07-10 08:56:23,510 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184158556] [2021-07-10 08:56:23,510 INFO L462 AbstractCegarLoop]: Interpolant automaton has 200 states [2021-07-10 08:56:23,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:56:23,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 200 interpolants. [2021-07-10 08:56:23,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9210, Invalid=30590, Unknown=0, NotChecked=0, Total=39800 [2021-07-10 08:56:23,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:56:23,518 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:56:23,519 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 200 states, 200 states have (on average 2.96) internal successors, (592), 199 states have internal predecessors, (592), 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 08:56:23,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 08:56:23,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 08:56:23,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-10 08:56:23,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-10 08:56:23,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states. [2021-07-10 08:56:23,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-10 08:56:23,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-10 08:56:23,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 270 states. [2021-07-10 08:56:23,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:57:28,626 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 21 [2021-07-10 08:58:11,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 08:58:11,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 08:58:11,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-10 08:58:11,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-10 08:58:11,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2021-07-10 08:58:11,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-10 08:58:11,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-10 08:58:11,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 278 states. [2021-07-10 08:58:11,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 974 states. [2021-07-10 08:58:11,703 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:58:11,703 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:58:11,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:58:11,703 INFO L82 PathProgramCache]: Analyzing trace with hash -960078266, now seen corresponding path program 10 times [2021-07-10 08:58:11,703 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:58:11,703 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979065588] [2021-07-10 08:58:11,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:58:12,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:58:13,189 INFO L134 CoverageAnalysis]: Checked inductivity of 109051 backedges. 41241 proven. 12150 refuted. 0 times theorem prover too weak. 55660 trivial. 0 not checked. [2021-07-10 08:58:13,189 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:58:13,189 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979065588] [2021-07-10 08:58:13,189 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979065588] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:58:13,189 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1008765780] [2021-07-10 08:58:13,189 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 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:58:13,708 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 08:58:13,708 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 08:58:13,751 INFO L263 TraceCheckSpWp]: Trace formula consists of 3683 conjuncts, 316 conjunts are in the unsatisfiable core [2021-07-10 08:58:13,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:58:14,217 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2021-07-10 08:58:15,386 INFO L134 CoverageAnalysis]: Checked inductivity of 109051 backedges. 41241 proven. 12038 refuted. 0 times theorem prover too weak. 55772 trivial. 0 not checked. [2021-07-10 08:58:15,386 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1008765780] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:58:15,386 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:58:15,386 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17] total 19 [2021-07-10 08:58:15,387 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817362012] [2021-07-10 08:58:15,387 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-10 08:58:15,387 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:58:15,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-10 08:58:15,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=305, Unknown=0, NotChecked=0, Total=342 [2021-07-10 08:58:15,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:58:15,388 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:58:15,388 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 8.210526315789474) internal successors, (156), 19 states have internal predecessors, (156), 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 08:58:15,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 08:58:15,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 08:58:15,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-10 08:58:15,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-10 08:58:15,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states. [2021-07-10 08:58:15,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-10 08:58:15,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-10 08:58:15,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 278 states. [2021-07-10 08:58:15,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 974 states. [2021-07-10 08:58:15,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:58:17,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 08:58:17,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 08:58:17,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-10 08:58:17,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-10 08:58:17,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2021-07-10 08:58:17,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-10 08:58:17,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-10 08:58:17,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 280 states. [2021-07-10 08:58:17,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 974 states. [2021-07-10 08:58:17,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 08:58:17,338 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-07-10 08:58:17,338 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:58:17,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:58:17,339 INFO L82 PathProgramCache]: Analyzing trace with hash -1715057990, now seen corresponding path program 11 times [2021-07-10 08:58:17,339 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:58:17,339 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303951337] [2021-07-10 08:58:17,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:58:17,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:58:18,912 INFO L134 CoverageAnalysis]: Checked inductivity of 110659 backedges. 42795 proven. 16068 refuted. 0 times theorem prover too weak. 51796 trivial. 0 not checked. [2021-07-10 08:58:18,912 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:58:18,912 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303951337] [2021-07-10 08:58:18,912 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303951337] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:58:18,912 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1845703028] [2021-07-10 08:58:18,912 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 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:58:19,870 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 124 check-sat command(s) [2021-07-10 08:58:19,870 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 08:58:19,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 3713 conjuncts, 644 conjunts are in the unsatisfiable core [2021-07-10 08:58:19,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:58:29,615 INFO L134 CoverageAnalysis]: Checked inductivity of 110659 backedges. 77345 proven. 14028 refuted. 0 times theorem prover too weak. 19286 trivial. 0 not checked. [2021-07-10 08:58:29,615 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1845703028] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:58:29,615 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:58:29,615 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 126] total 148 [2021-07-10 08:58:29,616 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456323590] [2021-07-10 08:58:29,617 INFO L462 AbstractCegarLoop]: Interpolant automaton has 148 states [2021-07-10 08:58:29,617 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:58:29,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 148 interpolants. [2021-07-10 08:58:29,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10030, Invalid=11726, Unknown=0, NotChecked=0, Total=21756 [2021-07-10 08:58:29,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:58:29,621 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:58:29,621 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 148 states, 148 states have (on average 6.5675675675675675) internal successors, (972), 148 states have internal predecessors, (972), 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 08:58:29,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 08:58:29,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 08:58:29,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-10 08:58:29,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-10 08:58:29,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states. [2021-07-10 08:58:29,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-10 08:58:29,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-10 08:58:29,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 280 states. [2021-07-10 08:58:29,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 974 states. [2021-07-10 08:58:29,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 08:58:29,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:58:31,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 08:58:31,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 08:58:31,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-10 08:58:31,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-10 08:58:31,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2021-07-10 08:58:31,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-10 08:58:31,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-10 08:58:31,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 280 states. [2021-07-10 08:58:31,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 974 states. [2021-07-10 08:58:31,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 08:58:31,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 08:58:32,096 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:58:32,097 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:58:32,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:58:32,097 INFO L82 PathProgramCache]: Analyzing trace with hash -1012717266, now seen corresponding path program 12 times [2021-07-10 08:58:32,098 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:58:32,098 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152018132] [2021-07-10 08:58:32,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:58:32,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:58:34,008 INFO L134 CoverageAnalysis]: Checked inductivity of 112339 backedges. 43917 proven. 20274 refuted. 0 times theorem prover too weak. 48148 trivial. 0 not checked. [2021-07-10 08:58:34,009 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:58:34,009 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152018132] [2021-07-10 08:58:34,009 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [152018132] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:58:34,009 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [779140621] [2021-07-10 08:58:34,009 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 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:58:35,102 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 124 check-sat command(s) [2021-07-10 08:58:35,103 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 08:58:35,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 3743 conjuncts, 304 conjunts are in the unsatisfiable core [2021-07-10 08:58:35,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:58:38,868 INFO L134 CoverageAnalysis]: Checked inductivity of 112339 backedges. 48447 proven. 3936 refuted. 0 times theorem prover too weak. 59956 trivial. 0 not checked. [2021-07-10 08:58:38,868 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [779140621] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:58:38,869 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:58:38,869 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 39] total 68 [2021-07-10 08:58:38,869 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068338038] [2021-07-10 08:58:38,870 INFO L462 AbstractCegarLoop]: Interpolant automaton has 69 states [2021-07-10 08:58:38,870 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:58:38,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2021-07-10 08:58:38,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=674, Invalid=4018, Unknown=0, NotChecked=0, Total=4692 [2021-07-10 08:58:38,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:58:38,871 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:58:38,871 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 69 states, 69 states have (on average 6.36231884057971) internal successors, (439), 68 states have internal predecessors, (439), 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 08:58:38,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 08:58:38,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 08:58:38,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-10 08:58:38,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-10 08:58:38,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states. [2021-07-10 08:58:38,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-10 08:58:38,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-10 08:58:38,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 280 states. [2021-07-10 08:58:38,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 974 states. [2021-07-10 08:58:38,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 08:58:38,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 08:58:38,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:58:54,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 08:58:54,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 08:58:54,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-10 08:58:54,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-10 08:58:54,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2021-07-10 08:58:54,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-10 08:58:54,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-10 08:58:54,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 280 states. [2021-07-10 08:58:54,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 974 states. [2021-07-10 08:58:54,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 08:58:54,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 08:58:54,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2021-07-10 08:58:54,604 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-07-10 08:58:54,604 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:58:54,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:58:54,605 INFO L82 PathProgramCache]: Analyzing trace with hash -290415938, now seen corresponding path program 13 times [2021-07-10 08:58:54,605 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:58:54,605 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181910029] [2021-07-10 08:58:54,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:58:55,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:58:56,851 INFO L134 CoverageAnalysis]: Checked inductivity of 157133 backedges. 60154 proven. 29374 refuted. 0 times theorem prover too weak. 67605 trivial. 0 not checked. [2021-07-10 08:58:56,852 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:58:56,852 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181910029] [2021-07-10 08:58:56,852 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181910029] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:58:56,852 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [514584157] [2021-07-10 08:58:56,852 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 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:58:57,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:58:57,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 4400 conjuncts, 444 conjunts are in the unsatisfiable core [2021-07-10 08:58:57,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:58:59,370 INFO L134 CoverageAnalysis]: Checked inductivity of 157133 backedges. 60154 proven. 29234 refuted. 0 times theorem prover too weak. 67745 trivial. 0 not checked. [2021-07-10 08:58:59,371 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [514584157] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:58:59,371 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:58:59,371 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 35] total 37 [2021-07-10 08:58:59,371 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38792029] [2021-07-10 08:58:59,372 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-07-10 08:58:59,372 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:58:59,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-07-10 08:58:59,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=1259, Unknown=0, NotChecked=0, Total=1332 [2021-07-10 08:58:59,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:58:59,373 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:58:59,373 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 8.108108108108109) internal successors, (300), 37 states have internal predecessors, (300), 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 08:58:59,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 08:58:59,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 08:58:59,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-10 08:58:59,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-10 08:58:59,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states. [2021-07-10 08:58:59,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-10 08:58:59,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-10 08:58:59,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 280 states. [2021-07-10 08:58:59,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 974 states. [2021-07-10 08:58:59,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 08:58:59,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 08:58:59,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states. [2021-07-10 08:58:59,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:59:11,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 08:59:11,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 08:59:11,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-10 08:59:11,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-10 08:59:11,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2021-07-10 08:59:11,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-10 08:59:11,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-10 08:59:11,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 280 states. [2021-07-10 08:59:11,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 974 states. [2021-07-10 08:59:11,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 08:59:11,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 08:59:11,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2021-07-10 08:59:11,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-10 08:59:11,290 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:59:11,290 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:59:11,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:59:11,291 INFO L82 PathProgramCache]: Analyzing trace with hash 718295858, now seen corresponding path program 14 times [2021-07-10 08:59:11,291 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:59:11,291 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072521107] [2021-07-10 08:59:11,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:59:12,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:59:14,008 INFO L134 CoverageAnalysis]: Checked inductivity of 159293 backedges. 60772 proven. 34828 refuted. 0 times theorem prover too weak. 63693 trivial. 0 not checked. [2021-07-10 08:59:14,008 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:59:14,008 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072521107] [2021-07-10 08:59:14,008 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072521107] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:59:14,008 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1382146603] [2021-07-10 08:59:14,008 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 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:59:14,711 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 08:59:14,711 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 08:59:14,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 4430 conjuncts, 468 conjunts are in the unsatisfiable core [2021-07-10 08:59:14,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:59:16,603 INFO L134 CoverageAnalysis]: Checked inductivity of 159293 backedges. 60772 proven. 34688 refuted. 0 times theorem prover too weak. 63833 trivial. 0 not checked. [2021-07-10 08:59:16,603 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1382146603] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:59:16,604 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:59:16,604 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 41] total 43 [2021-07-10 08:59:16,604 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091436112] [2021-07-10 08:59:16,605 INFO L462 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-07-10 08:59:16,605 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:59:16,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-07-10 08:59:16,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1721, Unknown=0, NotChecked=0, Total=1806 [2021-07-10 08:59:16,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:59:16,605 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:59:16,606 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 43 states, 43 states have (on average 8.093023255813954) internal successors, (348), 43 states have internal predecessors, (348), 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 08:59:16,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 08:59:16,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 08:59:16,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-10 08:59:16,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-10 08:59:16,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states. [2021-07-10 08:59:16,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-10 08:59:16,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-10 08:59:16,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 280 states. [2021-07-10 08:59:16,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 974 states. [2021-07-10 08:59:16,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 08:59:16,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 08:59:16,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states. [2021-07-10 08:59:16,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-10 08:59:16,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:59:34,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 08:59:34,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 08:59:34,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-10 08:59:34,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-10 08:59:34,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2021-07-10 08:59:34,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-10 08:59:34,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-10 08:59:34,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 280 states. [2021-07-10 08:59:34,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 974 states. [2021-07-10 08:59:34,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 08:59:34,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 08:59:34,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2021-07-10 08:59:34,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-10 08:59:34,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 08:59:34,449 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-07-10 08:59:34,450 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:59:34,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:59:34,450 INFO L82 PathProgramCache]: Analyzing trace with hash 1887108518, now seen corresponding path program 15 times [2021-07-10 08:59:34,450 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:59:34,450 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477197233] [2021-07-10 08:59:34,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:59:35,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:59:37,381 INFO L134 CoverageAnalysis]: Checked inductivity of 161525 backedges. 60958 proven. 40570 refuted. 0 times theorem prover too weak. 59997 trivial. 0 not checked. [2021-07-10 08:59:37,381 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:59:37,381 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477197233] [2021-07-10 08:59:37,381 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477197233] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:59:37,382 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [569602705] [2021-07-10 08:59:37,382 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 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:59:38,945 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 124 check-sat command(s) [2021-07-10 08:59:38,945 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 08:59:38,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 4460 conjuncts, 427 conjunts are in the unsatisfiable core [2021-07-10 08:59:39,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:59:50,777 INFO L134 CoverageAnalysis]: Checked inductivity of 161525 backedges. 97253 proven. 13456 refuted. 0 times theorem prover too weak. 50816 trivial. 0 not checked. [2021-07-10 08:59:50,777 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [569602705] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:59:50,777 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:59:50,777 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 101] total 148 [2021-07-10 08:59:50,777 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456080617] [2021-07-10 08:59:50,778 INFO L462 AbstractCegarLoop]: Interpolant automaton has 149 states [2021-07-10 08:59:50,778 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:59:50,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 149 interpolants. [2021-07-10 08:59:50,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5050, Invalid=17002, Unknown=0, NotChecked=0, Total=22052 [2021-07-10 08:59:50,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:59:50,786 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:59:50,787 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 149 states, 149 states have (on average 5.832214765100671) internal successors, (869), 148 states have internal predecessors, (869), 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 08:59:50,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 08:59:50,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 08:59:50,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-10 08:59:50,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-10 08:59:50,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states. [2021-07-10 08:59:50,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-10 08:59:50,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-10 08:59:50,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 280 states. [2021-07-10 08:59:50,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 974 states. [2021-07-10 08:59:50,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 08:59:50,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 08:59:50,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states. [2021-07-10 08:59:50,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-10 08:59:50,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 08:59:50,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:59:51,889 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 13 [2021-07-10 08:59:52,013 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 16 [2021-07-10 08:59:52,783 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 16 [2021-07-10 08:59:53,736 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 15 [2021-07-10 08:59:54,465 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 15 [2021-07-10 08:59:54,601 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 16 [2021-07-10 08:59:54,802 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 17 [2021-07-10 08:59:54,941 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 15 [2021-07-10 08:59:56,201 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 16 [2021-07-10 08:59:56,600 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 16 [2021-07-10 08:59:56,947 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 15 [2021-07-10 08:59:57,475 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 16 [2021-07-10 08:59:58,689 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 16 [2021-07-10 08:59:59,310 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 17 [2021-07-10 09:00:00,014 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 16 [2021-07-10 09:00:00,762 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 15 [2021-07-10 09:00:00,919 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 16 [2021-07-10 09:00:01,220 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 15 [2021-07-10 09:00:01,388 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 16 [2021-07-10 09:00:01,716 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 15 [2021-07-10 09:00:01,913 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 16 [2021-07-10 09:00:02,083 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 17 [2021-07-10 09:00:02,242 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 15 [2021-07-10 09:00:02,402 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 16 [2021-07-10 09:00:02,561 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 17 [2021-07-10 09:00:02,722 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 15 [2021-07-10 09:00:02,881 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 16 [2021-07-10 09:00:03,188 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 15 [2021-07-10 09:00:03,348 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 16 [2021-07-10 09:00:03,682 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 15 [2021-07-10 09:00:03,844 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 16 [2021-07-10 09:00:04,000 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 17 [2021-07-10 09:00:04,172 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 15 [2021-07-10 09:00:04,335 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 16 [2021-07-10 09:00:04,512 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 17 [2021-07-10 09:00:04,681 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 15 [2021-07-10 09:00:04,876 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 16 [2021-07-10 09:00:05,224 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 15 [2021-07-10 09:00:05,392 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 16 [2021-07-10 09:00:05,566 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 17 [2021-07-10 09:00:05,740 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 15 [2021-07-10 09:00:05,898 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 16 [2021-07-10 09:00:06,240 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 15 [2021-07-10 09:00:06,411 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 16 [2021-07-10 09:00:06,572 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 17 [2021-07-10 09:00:06,747 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 15 [2021-07-10 09:00:06,920 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 16 [2021-07-10 09:00:07,094 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 17 [2021-07-10 09:00:07,273 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 15 [2021-07-10 09:00:07,442 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 16 [2021-07-10 09:00:07,800 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 15 [2021-07-10 09:00:07,980 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 16 [2021-07-10 09:00:08,365 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 15 [2021-07-10 09:00:08,537 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 16 [2021-07-10 09:00:08,880 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 15 [2021-07-10 09:00:09,051 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 16 [2021-07-10 09:00:09,399 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 15 [2021-07-10 09:00:09,578 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 16 [2021-07-10 09:00:09,759 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 17 [2021-07-10 09:00:09,942 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 15 [2021-07-10 09:00:10,115 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 16 [2021-07-10 09:00:10,665 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 16 [2021-07-10 09:00:11,034 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 15 [2021-07-10 09:00:11,222 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 16 [2021-07-10 09:00:11,447 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 17 [2021-07-10 09:00:11,644 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 15 [2021-07-10 09:00:11,833 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 15 [2021-07-10 09:00:12,378 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 16 [2021-07-10 09:00:12,567 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 16 [2021-07-10 09:00:12,939 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 16 [2021-07-10 09:00:13,128 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 17 [2021-07-10 09:00:13,357 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 15 [2021-07-10 09:00:13,581 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 16 [2021-07-10 09:00:13,786 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 17 [2021-07-10 09:00:14,320 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 17 [2021-07-10 09:00:14,526 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 15 [2021-07-10 09:00:14,726 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 16 [2021-07-10 09:00:14,945 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 17 [2021-07-10 09:00:15,136 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 15 [2021-07-10 09:00:15,334 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 16 [2021-07-10 09:00:15,515 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 17 [2021-07-10 09:00:15,718 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 15 [2021-07-10 09:00:15,933 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 16 [2021-07-10 09:00:16,508 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 16 [2021-07-10 09:00:16,896 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 15 [2021-07-10 09:00:17,097 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 16 [2021-07-10 09:00:17,299 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 17 [2021-07-10 09:00:17,503 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 15 [2021-07-10 09:00:17,695 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 16 [2021-07-10 09:00:18,076 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 15 [2021-07-10 09:00:18,273 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 16 [2021-07-10 09:00:18,469 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 17 [2021-07-10 09:00:18,679 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 15 [2021-07-10 09:00:18,935 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 16 [2021-07-10 09:00:19,333 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 15 [2021-07-10 09:00:19,531 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 16 [2021-07-10 09:00:19,733 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 17 [2021-07-10 09:00:19,947 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 15 [2021-07-10 09:00:20,152 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 16 [2021-07-10 09:00:20,553 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 15 [2021-07-10 09:00:20,751 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 16 [2021-07-10 09:00:21,142 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 15 [2021-07-10 09:00:21,343 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 16 [2021-07-10 09:00:21,739 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 15 [2021-07-10 09:00:21,952 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 16 [2021-07-10 09:00:22,168 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 17 [2021-07-10 09:00:22,363 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 15 [2021-07-10 09:00:22,589 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 16 [2021-07-10 09:00:22,976 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 15 [2021-07-10 09:00:23,180 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 16 [2021-07-10 09:00:23,575 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 15 [2021-07-10 09:00:23,789 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 16 [2021-07-10 09:00:24,584 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 17 [2021-07-10 09:00:24,842 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 15 [2021-07-10 09:00:25,088 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 16 [2021-07-10 09:00:26,100 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 15 [2021-07-10 09:00:26,317 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 16 [2021-07-10 09:00:26,570 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 17 [2021-07-10 09:00:26,809 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 15 [2021-07-10 09:00:27,019 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 16 [2021-07-10 09:00:27,255 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 17 [2021-07-10 09:00:28,443 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 17 [2021-07-10 09:00:28,669 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 15 [2021-07-10 09:00:29,744 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 17 [2021-07-10 09:00:30,599 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 15 [2021-07-10 09:00:30,852 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 16 [2021-07-10 09:00:33,758 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 16 [2021-07-10 09:00:34,220 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 15 [2021-07-10 09:00:34,461 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 16 [2021-07-10 09:00:34,705 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 17 [2021-07-10 09:00:35,215 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 16 [2021-07-10 09:00:35,433 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 17 [2021-07-10 09:00:35,669 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 15 [2021-07-10 09:00:35,889 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 16 [2021-07-10 09:00:36,119 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 17 [2021-07-10 09:00:36,365 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 15 [2021-07-10 09:00:36,600 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 16 [2021-07-10 09:00:36,828 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 17 [2021-07-10 09:00:37,073 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 15 [2021-07-10 09:00:37,325 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 16 [2021-07-10 09:00:37,790 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 15 [2021-07-10 09:00:38,030 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 16 [2021-07-10 09:00:38,474 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 15 [2021-07-10 09:00:38,735 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 16 [2021-07-10 09:00:39,213 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 15 [2021-07-10 09:00:39,912 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 15 [2021-07-10 09:00:40,150 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 16 [2021-07-10 09:00:40,692 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 15 [2021-07-10 09:00:43,600 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 19 [2021-07-10 09:00:47,656 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 20 [2021-07-10 09:01:00,726 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 20 [2021-07-10 09:01:07,231 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 20 [2021-07-10 09:01:21,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 09:01:21,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 09:01:21,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-10 09:01:21,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-10 09:01:21,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2021-07-10 09:01:21,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-10 09:01:21,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-10 09:01:21,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 280 states. [2021-07-10 09:01:21,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 997 states. [2021-07-10 09:01:21,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 09:01:21,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 09:01:21,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2021-07-10 09:01:21,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-10 09:01:21,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 09:01:21,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 451 states. [2021-07-10 09:01:21,656 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 09:01:21,657 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 09:01:21,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 09:01:21,657 INFO L82 PathProgramCache]: Analyzing trace with hash -1491033898, now seen corresponding path program 16 times [2021-07-10 09:01:21,657 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 09:01:21,657 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270096991] [2021-07-10 09:01:21,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 09:01:23,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 09:01:26,165 INFO L134 CoverageAnalysis]: Checked inductivity of 237053 backedges. 79986 proven. 54289 refuted. 0 times theorem prover too weak. 102778 trivial. 0 not checked. [2021-07-10 09:01:26,166 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 09:01:26,166 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270096991] [2021-07-10 09:01:26,166 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270096991] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 09:01:26,166 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1422264541] [2021-07-10 09:01:26,166 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 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 09:01:27,049 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 09:01:27,050 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 09:01:27,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 5334 conjuncts, 582 conjunts are in the unsatisfiable core [2021-07-10 09:01:27,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 09:01:29,598 INFO L134 CoverageAnalysis]: Checked inductivity of 237053 backedges. 79986 proven. 54116 refuted. 0 times theorem prover too weak. 102951 trivial. 0 not checked. [2021-07-10 09:01:29,598 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1422264541] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 09:01:29,598 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 09:01:29,598 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [54, 53] total 55 [2021-07-10 09:01:29,599 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739074747] [2021-07-10 09:01:29,600 INFO L462 AbstractCegarLoop]: Interpolant automaton has 55 states [2021-07-10 09:01:29,600 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 09:01:29,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2021-07-10 09:01:29,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=2861, Unknown=0, NotChecked=0, Total=2970 [2021-07-10 09:01:29,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:01:29,600 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 09:01:29,601 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 55 states, 55 states have (on average 8.072727272727272) internal successors, (444), 55 states have internal predecessors, (444), 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 09:01:29,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 09:01:29,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 09:01:29,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-10 09:01:29,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-10 09:01:29,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states. [2021-07-10 09:01:29,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-10 09:01:29,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-10 09:01:29,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 280 states. [2021-07-10 09:01:29,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 997 states. [2021-07-10 09:01:29,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 09:01:29,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 09:01:29,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states. [2021-07-10 09:01:29,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-10 09:01:29,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 09:01:29,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 451 states. [2021-07-10 09:01:29,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:01:29,982 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 10 [2021-07-10 09:02:13,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 09:02:13,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 09:02:13,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-10 09:02:13,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-10 09:02:13,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2021-07-10 09:02:13,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-10 09:02:13,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-10 09:02:13,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 280 states. [2021-07-10 09:02:13,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 997 states. [2021-07-10 09:02:13,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 09:02:13,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 09:02:13,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2021-07-10 09:02:13,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-10 09:02:13,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 09:02:13,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 451 states. [2021-07-10 09:02:13,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-07-10 09:02:14,013 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-07-10 09:02:14,013 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 09:02:14,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 09:02:14,014 INFO L82 PathProgramCache]: Analyzing trace with hash 1781724490, now seen corresponding path program 17 times [2021-07-10 09:02:14,014 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 09:02:14,014 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766027407] [2021-07-10 09:02:14,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 09:02:16,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 09:02:18,237 INFO L134 CoverageAnalysis]: Checked inductivity of 239825 backedges. 80064 proven. 61399 refuted. 0 times theorem prover too weak. 98362 trivial. 0 not checked. [2021-07-10 09:02:18,237 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 09:02:18,237 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766027407] [2021-07-10 09:02:18,237 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766027407] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 09:02:18,237 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1032299892] [2021-07-10 09:02:18,237 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 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 09:02:19,895 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 157 check-sat command(s) [2021-07-10 09:02:19,895 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 09:02:20,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 5364 conjuncts, 799 conjunts are in the unsatisfiable core [2021-07-10 09:02:20,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 09:02:31,030 INFO L134 CoverageAnalysis]: Checked inductivity of 239825 backedges. 125795 proven. 49158 refuted. 0 times theorem prover too weak. 64872 trivial. 0 not checked. [2021-07-10 09:02:31,030 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1032299892] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 09:02:31,030 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 09:02:31,030 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [60, 125] total 183 [2021-07-10 09:02:31,030 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936795531] [2021-07-10 09:02:31,032 INFO L462 AbstractCegarLoop]: Interpolant automaton has 183 states [2021-07-10 09:02:31,032 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 09:02:31,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 183 interpolants. [2021-07-10 09:02:31,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12928, Invalid=20378, Unknown=0, NotChecked=0, Total=33306 [2021-07-10 09:02:31,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:02:31,034 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 09:02:31,035 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 183 states, 183 states have (on average 7.245901639344262) internal successors, (1326), 183 states have internal predecessors, (1326), 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 09:02:31,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 09:02:31,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 09:02:31,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-10 09:02:31,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-10 09:02:31,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states. [2021-07-10 09:02:31,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-10 09:02:31,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-10 09:02:31,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 280 states. [2021-07-10 09:02:31,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 997 states. [2021-07-10 09:02:31,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 09:02:31,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 09:02:31,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states. [2021-07-10 09:02:31,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-10 09:02:31,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 09:02:31,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 451 states. [2021-07-10 09:02:31,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-07-10 09:02:31,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:03:30,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 09:03:30,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 09:03:30,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-10 09:03:30,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-10 09:03:30,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2021-07-10 09:03:30,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-10 09:03:30,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-10 09:03:30,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 280 states. [2021-07-10 09:03:30,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 997 states. [2021-07-10 09:03:30,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 09:03:30,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 09:03:30,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2021-07-10 09:03:30,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-10 09:03:30,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 09:03:30,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 451 states. [2021-07-10 09:03:30,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-07-10 09:03:30,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-10 09:03:30,620 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-07-10 09:03:30,621 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 09:03:30,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 09:03:30,621 INFO L82 PathProgramCache]: Analyzing trace with hash 868629438, now seen corresponding path program 18 times [2021-07-10 09:03:30,621 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 09:03:30,621 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753312041] [2021-07-10 09:03:30,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 09:03:32,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 09:03:35,686 INFO L134 CoverageAnalysis]: Checked inductivity of 242669 backedges. 79710 proven. 68797 refuted. 0 times theorem prover too weak. 94162 trivial. 0 not checked. [2021-07-10 09:03:35,687 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 09:03:35,687 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753312041] [2021-07-10 09:03:35,687 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753312041] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 09:03:35,687 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [53752548] [2021-07-10 09:03:35,687 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 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 09:03:37,496 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 157 check-sat command(s) [2021-07-10 09:03:37,497 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 09:03:37,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 5394 conjuncts, 423 conjunts are in the unsatisfiable core [2021-07-10 09:03:37,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 09:04:31,160 INFO L134 CoverageAnalysis]: Checked inductivity of 242669 backedges. 129832 proven. 94554 refuted. 0 times theorem prover too weak. 18283 trivial. 0 not checked. [2021-07-10 09:04:31,160 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [53752548] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 09:04:31,160 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 09:04:31,160 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [66, 312] total 377 [2021-07-10 09:04:31,160 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034034444] [2021-07-10 09:04:31,162 INFO L462 AbstractCegarLoop]: Interpolant automaton has 378 states [2021-07-10 09:04:31,162 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 09:04:31,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 378 interpolants. [2021-07-10 09:04:31,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25771, Invalid=116735, Unknown=0, NotChecked=0, Total=142506 [2021-07-10 09:04:31,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:04:31,169 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 09:04:31,170 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 378 states, 378 states have (on average 5.224867724867725) internal successors, (1975), 377 states have internal predecessors, (1975), 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 09:04:31,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 09:04:31,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 09:04:31,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-10 09:04:31,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-10 09:04:31,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states. [2021-07-10 09:04:31,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-10 09:04:31,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-10 09:04:31,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 280 states. [2021-07-10 09:04:31,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 997 states. [2021-07-10 09:04:31,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 09:04:31,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 09:04:31,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states. [2021-07-10 09:04:31,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-10 09:04:31,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 09:04:31,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 451 states. [2021-07-10 09:04:31,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-07-10 09:04:31,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-10 09:04:31,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:04:31,791 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 16 [2021-07-10 09:04:32,171 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 13 [2021-07-10 09:04:32,535 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 18 [2021-07-10 09:04:32,887 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 16 [2021-07-10 09:04:33,255 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 17 [2021-07-10 09:04:33,605 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 14 [2021-07-10 09:04:33,945 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 15 [2021-07-10 09:04:34,304 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 15 [2021-07-10 09:04:34,679 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 15 [2021-07-10 09:04:35,042 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 16 [2021-07-10 09:04:35,408 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 16 [2021-07-10 09:04:35,771 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 15 [2021-07-10 09:04:36,146 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 16 [2021-07-10 09:04:36,515 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 17 [2021-07-10 09:04:36,904 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 15 [2021-07-10 09:04:37,302 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 16 [2021-07-10 09:04:37,643 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 17 [2021-07-10 09:04:37,974 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 15 [2021-07-10 09:04:38,353 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 16 [2021-07-10 09:04:38,717 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 17 [2021-07-10 09:04:39,082 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 15 [2021-07-10 09:04:39,464 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 16 [2021-07-10 09:04:39,832 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 17 [2021-07-10 09:04:40,201 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 15 [2021-07-10 09:04:40,595 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 16 [2021-07-10 09:04:40,951 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 17 [2021-07-10 09:04:41,330 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 15 [2021-07-10 09:04:41,728 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 16 [2021-07-10 09:04:42,120 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 17 [2021-07-10 09:04:42,515 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 15 [2021-07-10 09:04:42,917 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 16 [2021-07-10 09:04:43,277 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 17 [2021-07-10 09:04:43,664 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 15 [2021-07-10 09:04:44,040 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 16 [2021-07-10 09:04:44,366 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 17 [2021-07-10 09:04:44,711 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 15 [2021-07-10 09:04:45,084 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 16 [2021-07-10 09:04:45,412 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 17 [2021-07-10 09:04:45,756 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 15 [2021-07-10 09:04:46,129 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 16 [2021-07-10 09:04:46,460 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 17 [2021-07-10 09:04:46,850 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 15 [2021-07-10 09:04:47,231 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 16 [2021-07-10 09:04:47,568 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 17 [2021-07-10 09:04:47,916 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 15 [2021-07-10 09:04:48,295 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 16 [2021-07-10 09:04:48,658 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 17 [2021-07-10 09:04:49,045 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 15 [2021-07-10 09:04:49,476 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 16 [2021-07-10 09:04:49,856 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 17 [2021-07-10 09:04:50,246 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 15 [2021-07-10 09:04:50,701 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 16 [2021-07-10 09:04:51,078 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 17 [2021-07-10 09:04:51,526 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 15 [2021-07-10 09:04:51,974 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 16 [2021-07-10 09:04:52,369 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 17 [2021-07-10 09:04:52,769 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 15 [2021-07-10 09:04:53,208 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 16 [2021-07-10 09:04:53,583 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 17 [2021-07-10 09:04:53,993 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 15 [2021-07-10 09:04:54,442 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 16 [2021-07-10 09:04:54,828 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 17 [2021-07-10 09:04:55,232 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 15 [2021-07-10 09:04:55,674 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 16 [2021-07-10 09:04:56,047 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 17 [2021-07-10 09:04:56,467 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 15 [2021-07-10 09:04:56,919 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 16 [2021-07-10 09:04:57,338 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 17 [2021-07-10 09:04:57,759 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 15 [2021-07-10 09:04:58,215 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 16 [2021-07-10 09:04:58,605 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 17 [2021-07-10 09:04:59,018 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 15 [2021-07-10 09:04:59,479 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 16 [2021-07-10 09:04:59,872 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 17 [2021-07-10 09:05:00,292 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 15 [2021-07-10 09:05:00,759 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 16 [2021-07-10 09:05:01,154 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 17 [2021-07-10 09:05:01,614 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 15 [2021-07-10 09:05:02,125 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 16 [2021-07-10 09:05:02,538 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 17 [2021-07-10 09:05:02,994 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 15 [2021-07-10 09:05:03,542 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 16 [2021-07-10 09:05:03,963 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 17 [2021-07-10 09:05:04,412 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 15 [2021-07-10 09:05:04,922 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 16 [2021-07-10 09:05:05,341 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 17 [2021-07-10 09:05:05,822 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 15 [2021-07-10 09:05:06,339 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 16 [2021-07-10 09:05:06,776 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 17 [2021-07-10 09:05:07,240 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 15 [2021-07-10 09:05:07,758 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 16 [2021-07-10 09:05:08,169 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 17 [2021-07-10 09:05:08,628 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 15 [2021-07-10 09:05:09,138 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 16 [2021-07-10 09:05:09,548 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 17 [2021-07-10 09:05:10,017 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 15 [2021-07-10 09:05:10,530 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 16 [2021-07-10 09:05:11,035 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 17 [2021-07-10 09:05:11,521 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 15 [2021-07-10 09:05:12,055 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 16 [2021-07-10 09:05:12,473 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 17 [2021-07-10 09:05:12,937 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 15 [2021-07-10 09:05:13,474 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 16 [2021-07-10 09:05:13,903 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 17 [2021-07-10 09:05:14,393 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 15 [2021-07-10 09:05:14,927 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 16 [2021-07-10 09:05:15,335 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 17 [2021-07-10 09:05:15,824 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 15 [2021-07-10 09:05:16,398 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 16 [2021-07-10 09:05:16,804 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 17 [2021-07-10 09:05:17,257 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 15 [2021-07-10 09:05:17,768 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 16 [2021-07-10 09:05:18,199 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 17 [2021-07-10 09:05:18,696 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 15 [2021-07-10 09:05:19,275 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 16 [2021-07-10 09:05:19,700 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 17 [2021-07-10 09:05:20,208 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 15 [2021-07-10 09:05:20,815 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 16 [2021-07-10 09:05:21,249 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 17 [2021-07-10 09:05:21,751 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 15 [2021-07-10 09:05:22,351 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 16 [2021-07-10 09:05:22,871 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 17 [2021-07-10 09:05:23,367 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 15 [2021-07-10 09:05:23,927 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 16 [2021-07-10 09:05:24,356 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 17 [2021-07-10 09:05:24,836 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 15 [2021-07-10 09:05:25,358 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 16 [2021-07-10 09:05:25,764 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 17 [2021-07-10 09:05:26,234 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 15 [2021-07-10 09:05:26,796 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 16 [2021-07-10 09:05:27,181 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 17 [2021-07-10 09:05:27,667 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 15 [2021-07-10 09:05:28,207 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 16 [2021-07-10 09:05:28,618 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 17 [2021-07-10 09:05:29,076 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 15 [2021-07-10 09:05:29,636 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 16 [2021-07-10 09:05:30,070 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 17 [2021-07-10 09:05:30,535 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 15 [2021-07-10 09:05:31,100 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 16 [2021-07-10 09:05:31,526 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 17 [2021-07-10 09:05:32,004 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 15 [2021-07-10 09:05:32,540 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 16 [2021-07-10 09:05:32,943 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 17 [2021-07-10 09:05:33,435 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 15 [2021-07-10 09:05:34,153 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 16 [2021-07-10 09:05:34,597 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 17 [2021-07-10 09:05:35,106 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 15 [2021-07-10 09:05:35,723 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 16 [2021-07-10 09:05:36,168 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 17 [2021-07-10 09:05:36,706 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 15 [2021-07-10 09:05:37,325 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 16 [2021-07-10 09:05:37,759 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 17 [2021-07-10 09:05:38,294 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 15 [2021-07-10 09:05:38,908 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 16 [2021-07-10 09:05:39,350 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 17 [2021-07-10 09:05:39,887 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 15 [2021-07-10 09:05:40,501 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 16 [2021-07-10 09:05:40,958 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 17 [2021-07-10 09:05:41,496 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 15 [2021-07-10 09:05:42,104 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 16 [2021-07-10 09:05:42,519 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 17 [2021-07-10 09:05:43,025 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 15 [2021-07-10 09:05:43,656 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 16 [2021-07-10 09:05:44,120 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 17 [2021-07-10 09:05:44,665 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 15 [2021-07-10 09:05:45,293 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 16 [2021-07-10 09:05:45,765 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 17 [2021-07-10 09:05:46,386 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 15 [2021-07-10 09:05:47,005 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 16 [2021-07-10 09:05:47,452 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 17 [2021-07-10 09:05:48,003 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 15 [2021-07-10 09:05:48,642 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 16 [2021-07-10 09:05:49,091 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 17 [2021-07-10 09:05:49,618 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 15 [2021-07-10 09:05:50,196 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 16 [2021-07-10 09:05:50,653 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 17 [2021-07-10 09:05:51,188 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 15 [2021-07-10 09:05:51,819 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 16 [2021-07-10 09:05:52,292 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 17 [2021-07-10 09:05:52,818 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 15 [2021-07-10 09:05:53,442 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 16 [2021-07-10 09:05:53,884 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 17 [2021-07-10 09:05:54,415 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 15 [2021-07-10 09:05:55,043 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 16 [2021-07-10 09:05:55,481 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 17 [2021-07-10 09:05:56,012 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 15 [2021-07-10 09:05:56,663 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 16 [2021-07-10 09:05:57,107 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 17 [2021-07-10 09:05:57,646 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 15