/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 07:21:51,361 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 07:21:51,363 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 07:21:51,388 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 07:21:51,434 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Lockstep.epf [2021-07-14 07:21:51,482 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 07:21:51,483 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 07:21:51,483 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 07:21:51,483 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 07:21:51,484 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 07:21:51,484 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 07:21:51,485 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 07:21:51,485 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 07:21:51,485 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 07:21:51,485 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 07:21:51,485 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 07:21:51,486 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 07:21:51,486 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 07:21:51,486 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 07:21:51,486 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 07:21:51,486 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 07:21:51,487 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 07:21:51,487 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 07:21:51,487 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 07:21:51,487 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 07:21:51,488 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 07:21:51,488 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 07:21:51,488 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 07:21:51,490 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 07:21:51,491 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 07:21:51,491 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 07:21:51,491 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 07:21:51,491 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 07:21:51,492 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-14 07:21:51,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 07:21:51,492 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 07:21:51,492 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 07:21:51,492 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 07:21:51,492 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-07-14 07:21:51,492 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 07:21:51,796 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 07:21:51,814 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 07:21:51,817 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 07:21:51,818 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 07:21:51,819 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 07:21:51,819 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array.wvr.bpl [2021-07-14 07:21:51,819 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array.wvr.bpl' [2021-07-14 07:21:51,840 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 07:21:51,842 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 07:21:51,842 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 07:21:51,843 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 07:21:51,843 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 07:21:51,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:21:51" (1/1) ... [2021-07-14 07:21:51,858 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:21:51" (1/1) ... [2021-07-14 07:21:51,865 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 07:21:51,866 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 07:21:51,866 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 07:21:51,866 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 07:21:51,872 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:21:51" (1/1) ... [2021-07-14 07:21:51,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:21:51" (1/1) ... [2021-07-14 07:21:51,873 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:21:51" (1/1) ... [2021-07-14 07:21:51,873 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:21:51" (1/1) ... [2021-07-14 07:21:51,875 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:21:51" (1/1) ... [2021-07-14 07:21:51,878 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:21:51" (1/1) ... [2021-07-14 07:21:51,878 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:21:51" (1/1) ... [2021-07-14 07:21:51,879 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 07:21:51,880 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 07:21:51,880 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 07:21:51,880 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 07:21:51,881 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:21:51" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 07:21:51,951 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 07:21:51,951 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 07:21:51,951 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 07:21:51,951 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 07:21:51,952 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 07:21:51,952 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 07:21:51,952 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 07:21:51,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 07:21:51,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 07:21:51,953 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-14 07:21:51,953 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-14 07:21:51,953 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-14 07:21:51,954 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 07:21:52,174 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 07:21:52,174 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-14 07:21:52,176 INFO L202 PluginConnector]: Adding new model sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 07:21:52 BoogieIcfgContainer [2021-07-14 07:21:52,176 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 07:21:52,178 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 07:21:52,178 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 07:21:52,180 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 07:21:52,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:21:51" (1/2) ... [2021-07-14 07:21:52,181 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25fd0477 and model type sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 07:21:52, skipping insertion in model container [2021-07-14 07:21:52,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 07:21:52" (2/2) ... [2021-07-14 07:21:52,182 INFO L111 eAbstractionObserver]: Analyzing ICFG sum-array.wvr.bpl [2021-07-14 07:21:52,186 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 07:21:52,186 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 07:21:52,187 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 07:21:52,187 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 07:21:52,260 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-07-14 07:21:52,280 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 07:21:52,329 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 07:21:52,333 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 07:21:52,333 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 07:21:52,333 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 07:21:52,334 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 07:21:52,335 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 07:21:52,335 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 07:21:52,335 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 07:21:52,451 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 07:21:52,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 07:21:52,463 INFO L82 PathProgramCache]: Analyzing trace with hash -311866145, now seen corresponding path program 1 times [2021-07-14 07:21:52,473 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 07:21:52,474 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854316444] [2021-07-14 07:21:52,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 07:21:52,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:21:52,732 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-14 07:21:52,733 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 07:21:52,733 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854316444] [2021-07-14 07:21:52,734 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854316444] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:21:52,734 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [733899705] [2021-07-14 07:21:52,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:21:52,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:21:52,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-14 07:21:52,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 07:21:52,988 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-14 07:21:52,989 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [733899705] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:21:52,989 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 07:21:52,989 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-07-14 07:21:52,990 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64258982] [2021-07-14 07:21:52,994 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 07:21:52,995 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 07:21:53,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 07:21:53,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-07-14 07:21:53,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:21:53,005 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 07:21:53,007 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 07:21:53,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:21:53,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 07:21:53,360 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-07-14 07:21:53,361 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 07:21:53,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 07:21:53,361 INFO L82 PathProgramCache]: Analyzing trace with hash -1637006143, now seen corresponding path program 2 times [2021-07-14 07:21:53,362 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 07:21:53,362 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095926066] [2021-07-14 07:21:53,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 07:21:53,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:21:53,459 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:21:53,459 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 07:21:53,459 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095926066] [2021-07-14 07:21:53,460 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095926066] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:21:53,460 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [387229926] [2021-07-14 07:21:53,461 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 [2021-07-14 07:21:53,515 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 07:21:53,516 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 07:21:53,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-14 07:21:53,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 07:21:53,663 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:21:53,664 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [387229926] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:21:53,664 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 07:21:53,664 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-07-14 07:21:53,664 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267610650] [2021-07-14 07:21:53,665 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-14 07:21:53,665 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 07:21:53,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-14 07:21:53,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-07-14 07:21:53,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:21:53,669 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 07:21:53,669 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 07:21:53,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 07:21:53,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:21:53,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 07:21:53,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 07:21:54,000 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:21:54,001 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 07:21:54,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 07:21:54,001 INFO L82 PathProgramCache]: Analyzing trace with hash 508742691, now seen corresponding path program 3 times [2021-07-14 07:21:54,002 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 07:21:54,002 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300693735] [2021-07-14 07:21:54,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 07:21:54,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:21:54,559 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:21:54,559 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 07:21:54,559 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300693735] [2021-07-14 07:21:54,559 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300693735] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:21:54,559 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [785122751] [2021-07-14 07:21:54,559 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 [2021-07-14 07:21:54,612 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-07-14 07:21:54,612 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 07:21:54,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 32 conjunts are in the unsatisfiable core [2021-07-14 07:21:54,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 07:21:55,189 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:21:55,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 25 treesize of output 53 [2021-07-14 07:21:55,288 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-14 07:21:55,415 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 34 [2021-07-14 07:21:55,416 INFO L628 ElimStorePlain]: treesize reduction 150, result has 31.5 percent of original size [2021-07-14 07:21:55,459 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 5 xjuncts. [2021-07-14 07:21:55,460 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:43, output treesize:109 [2021-07-14 07:21:55,565 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:21:55,565 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [785122751] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:21:55,565 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 07:21:55,566 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14] total 22 [2021-07-14 07:21:55,566 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287866360] [2021-07-14 07:21:55,566 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-14 07:21:55,566 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 07:21:55,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-14 07:21:55,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=400, Unknown=0, NotChecked=0, Total=462 [2021-07-14 07:21:55,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:21:55,570 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 07:21:55,570 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 2.3181818181818183) internal successors, (51), 22 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 07:21:55,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 07:21:55,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 07:21:55,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:21:55,878 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 48 [2021-07-14 07:21:56,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 07:21:56,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 07:21:56,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 07:21:57,104 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:21:57,105 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 07:21:57,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 07:21:57,106 INFO L82 PathProgramCache]: Analyzing trace with hash 1923583651, now seen corresponding path program 4 times [2021-07-14 07:21:57,106 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 07:21:57,106 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093216993] [2021-07-14 07:21:57,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 07:21:57,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:21:57,638 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:21:57,638 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 07:21:57,638 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093216993] [2021-07-14 07:21:57,638 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093216993] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:21:57,639 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [164109740] [2021-07-14 07:21:57,639 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 [2021-07-14 07:21:57,684 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 07:21:57,684 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 07:21:57,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 40 conjunts are in the unsatisfiable core [2021-07-14 07:21:57,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 07:21:58,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:21:58,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:21:58,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:21:58,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:21:58,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:21:58,188 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 07:21:58,188 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 07:21:58,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:21:58,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:21:58,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:21:58,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:21:58,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:21:58,193 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 07:21:58,194 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-07-14 07:21:58,196 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:21:58,204 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:21:58,206 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 07:21:58,206 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:70, output treesize:7 [2021-07-14 07:21:58,237 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:21:58,238 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [164109740] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:21:58,238 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 07:21:58,238 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14] total 24 [2021-07-14 07:21:58,238 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533945319] [2021-07-14 07:21:58,238 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-14 07:21:58,238 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 07:21:58,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-14 07:21:58,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=484, Unknown=0, NotChecked=0, Total=552 [2021-07-14 07:21:58,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:21:58,239 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 07:21:58,239 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 2.1666666666666665) internal successors, (52), 24 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 07:21:58,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 07:21:58,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 07:21:58,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 07:21:58,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:21:58,570 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2021-07-14 07:21:58,902 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 65 [2021-07-14 07:21:59,216 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 68 [2021-07-14 07:21:59,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 07:21:59,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 07:21:59,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 07:21:59,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 07:22:00,131 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-07-14 07:22:00,131 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 07:22:00,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 07:22:00,132 INFO L82 PathProgramCache]: Analyzing trace with hash 1546552453, now seen corresponding path program 5 times [2021-07-14 07:22:00,132 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 07:22:00,132 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114631001] [2021-07-14 07:22:00,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 07:22:00,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:22:00,248 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 9 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:22:00,250 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 07:22:00,250 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114631001] [2021-07-14 07:22:00,250 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114631001] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:22:00,250 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [501641411] [2021-07-14 07:22:00,250 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 [2021-07-14 07:22:00,293 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-14 07:22:00,294 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 07:22:00,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-14 07:22:00,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 07:22:00,528 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:22:00,528 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [501641411] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:22:00,529 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 07:22:00,529 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 24 [2021-07-14 07:22:00,529 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881768738] [2021-07-14 07:22:00,530 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-14 07:22:00,530 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 07:22:00,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-14 07:22:00,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=449, Unknown=0, NotChecked=0, Total=552 [2021-07-14 07:22:00,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:22:00,531 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 07:22:00,531 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 2.5416666666666665) internal successors, (61), 24 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 07:22:00,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 07:22:00,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 07:22:00,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 07:22:00,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 07:22:00,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:22:01,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 07:22:01,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 07:22:01,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 07:22:01,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 07:22:01,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 07:22:01,548 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:22:01,549 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 07:22:01,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 07:22:01,549 INFO L82 PathProgramCache]: Analyzing trace with hash 945647527, now seen corresponding path program 6 times [2021-07-14 07:22:01,549 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 07:22:01,549 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206125434] [2021-07-14 07:22:01,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 07:22:01,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:22:02,081 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:22:02,081 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 07:22:02,081 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206125434] [2021-07-14 07:22:02,081 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206125434] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:22:02,081 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [480712454] [2021-07-14 07:22:02,081 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 [2021-07-14 07:22:02,125 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-07-14 07:22:02,126 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 07:22:02,126 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 50 conjunts are in the unsatisfiable core [2021-07-14 07:22:02,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 07:22:02,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:22:02,914 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 07:22:02,961 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:22:02,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 37 treesize of output 89 [2021-07-14 07:22:03,238 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-14 07:22:03,310 INFO L628 ElimStorePlain]: treesize reduction 650, result has 4.6 percent of original size [2021-07-14 07:22:03,318 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 07:22:03,319 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:59, output treesize:19 [2021-07-14 07:22:03,400 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:22:03,400 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [480712454] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:22:03,401 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 07:22:03,401 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 20] total 33 [2021-07-14 07:22:03,401 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398389934] [2021-07-14 07:22:03,402 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-07-14 07:22:03,402 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 07:22:03,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-07-14 07:22:03,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=955, Unknown=0, NotChecked=0, Total=1056 [2021-07-14 07:22:03,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:22:03,405 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 07:22:03,405 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 2.0303030303030303) internal successors, (67), 33 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 07:22:03,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 07:22:03,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 07:22:03,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 07:22:03,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 07:22:03,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 07:22:03,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:22:05,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 07:22:05,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 07:22:05,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 07:22:05,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 07:22:05,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 07:22:05,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 07:22:05,580 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-07-14 07:22:05,581 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 07:22:05,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 07:22:05,581 INFO L82 PathProgramCache]: Analyzing trace with hash 2010293385, now seen corresponding path program 7 times [2021-07-14 07:22:05,582 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 07:22:05,582 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936449525] [2021-07-14 07:22:05,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 07:22:05,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:22:05,732 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 16 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:22:05,732 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 07:22:05,732 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936449525] [2021-07-14 07:22:05,732 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936449525] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:22:05,732 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [955422231] [2021-07-14 07:22:05,733 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 [2021-07-14 07:22:05,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:22:05,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-14 07:22:05,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 07:22:06,033 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 25 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:22:06,034 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [955422231] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:22:06,034 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 07:22:06,034 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 28 [2021-07-14 07:22:06,034 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056201932] [2021-07-14 07:22:06,034 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-07-14 07:22:06,035 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 07:22:06,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-07-14 07:22:06,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=617, Unknown=0, NotChecked=0, Total=756 [2021-07-14 07:22:06,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:22:06,036 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 07:22:06,036 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 2.4642857142857144) internal successors, (69), 28 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 07:22:06,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 07:22:06,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 07:22:06,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 07:22:06,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 07:22:06,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 07:22:06,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 07:22:06,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:22:07,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 07:22:07,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 07:22:07,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 07:22:07,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 07:22:07,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 07:22:07,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 07:22:07,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-14 07:22:07,317 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2021-07-14 07:22:07,318 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 07:22:07,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 07:22:07,318 INFO L82 PathProgramCache]: Analyzing trace with hash -75915605, now seen corresponding path program 8 times [2021-07-14 07:22:07,319 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 07:22:07,319 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381540856] [2021-07-14 07:22:07,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 07:22:07,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:22:08,016 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 2 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:22:08,016 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 07:22:08,016 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381540856] [2021-07-14 07:22:08,016 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381540856] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:22:08,016 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1208433875] [2021-07-14 07:22:08,016 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 [2021-07-14 07:22:08,050 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 07:22:08,051 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 07:22:08,052 WARN L261 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 56 conjunts are in the unsatisfiable core [2021-07-14 07:22:08,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 07:22:08,540 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 07:22:08,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:22:08,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:22:08,543 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 07:22:08,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 19 [2021-07-14 07:22:08,545 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:22:08,548 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:22:08,549 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 07:22:08,549 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:51, output treesize:3 [2021-07-14 07:22:08,571 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:22:08,571 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1208433875] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:22:08,571 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 07:22:08,571 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 18] total 33 [2021-07-14 07:22:08,572 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551715662] [2021-07-14 07:22:08,572 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-07-14 07:22:08,572 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 07:22:08,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-07-14 07:22:08,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=944, Unknown=0, NotChecked=0, Total=1056 [2021-07-14 07:22:08,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:22:08,573 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 07:22:08,573 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 2.242424242424242) internal successors, (74), 33 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 07:22:08,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 07:22:08,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 07:22:08,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 07:22:08,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 07:22:08,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 07:22:08,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 07:22:08,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-14 07:22:08,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:22:09,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 07:22:09,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 07:22:09,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 07:22:09,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 07:22:09,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 07:22:09,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 07:22:09,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-14 07:22:09,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 07:22:10,032 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:22:10,033 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 07:22:10,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 07:22:10,033 INFO L82 PathProgramCache]: Analyzing trace with hash 1638240909, now seen corresponding path program 9 times [2021-07-14 07:22:10,033 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 07:22:10,033 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377877536] [2021-07-14 07:22:10,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 07:22:10,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:22:10,179 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 25 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:22:10,179 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 07:22:10,180 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377877536] [2021-07-14 07:22:10,180 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377877536] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:22:10,180 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [727902435] [2021-07-14 07:22:10,180 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 [2021-07-14 07:22:10,219 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-07-14 07:22:10,219 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 07:22:10,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-14 07:22:10,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 07:22:10,532 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 36 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:22:10,532 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [727902435] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:22:10,532 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 07:22:10,532 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 32 [2021-07-14 07:22:10,532 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595837330] [2021-07-14 07:22:10,533 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-07-14 07:22:10,533 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 07:22:10,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-07-14 07:22:10,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=181, Invalid=811, Unknown=0, NotChecked=0, Total=992 [2021-07-14 07:22:10,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:22:10,534 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 07:22:10,534 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 2.40625) internal successors, (77), 32 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 07:22:10,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 07:22:10,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 07:22:10,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 07:22:10,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 07:22:10,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 07:22:10,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 07:22:10,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-14 07:22:10,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 07:22:10,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:22:11,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 07:22:11,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 07:22:11,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 07:22:11,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 07:22:11,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 07:22:11,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 07:22:11,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-14 07:22:11,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 07:22:11,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-14 07:22:12,189 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:22:12,189 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 07:22:12,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 07:22:12,190 INFO L82 PathProgramCache]: Analyzing trace with hash -1136059473, now seen corresponding path program 10 times [2021-07-14 07:22:12,190 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 07:22:12,190 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334124387] [2021-07-14 07:22:12,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 07:22:12,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:22:12,662 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:22:12,663 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 07:22:12,663 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334124387] [2021-07-14 07:22:12,663 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334124387] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:22:12,663 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [268386112] [2021-07-14 07:22:12,663 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 [2021-07-14 07:22:12,697 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 07:22:12,698 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 07:22:12,699 WARN L261 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 64 conjunts are in the unsatisfiable core [2021-07-14 07:22:12,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 07:22:13,551 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 07:22:13,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:22:13,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:22:13,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:22:13,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:22:13,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:22:13,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:22:13,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:22:13,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:22:13,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:22:13,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:22:13,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:22:13,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:22:13,562 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 07:22:13,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:22:13,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:22:13,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:22:13,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:22:13,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:22:13,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:22:13,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:22:13,569 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 07:22:13,570 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 21 disjoint index pairs (out of 45 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 31 [2021-07-14 07:22:13,572 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:22:13,581 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:22:13,583 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 07:22:13,583 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:97, output treesize:7 [2021-07-14 07:22:13,618 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:22:13,618 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [268386112] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:22:13,618 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 07:22:13,618 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 31 [2021-07-14 07:22:13,619 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128116208] [2021-07-14 07:22:13,619 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-14 07:22:13,619 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 07:22:13,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-14 07:22:13,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=846, Unknown=0, NotChecked=0, Total=930 [2021-07-14 07:22:13,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:22:13,620 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 07:22:13,621 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 2.2580645161290325) internal successors, (70), 31 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) [2021-07-14 07:22:13,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 07:22:13,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 07:22:13,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 07:22:13,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 07:22:13,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 07:22:13,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 07:22:13,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-14 07:22:13,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 07:22:13,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-14 07:22:13,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:22:14,042 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-07-14 07:22:15,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 07:22:15,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 07:22:15,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 07:22:15,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 07:22:15,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 07:22:15,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 07:22:15,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-14 07:22:15,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 07:22:15,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-14 07:22:15,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 07:22:15,447 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2021-07-14 07:22:15,447 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 07:22:15,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 07:22:15,447 INFO L82 PathProgramCache]: Analyzing trace with hash 176367407, now seen corresponding path program 11 times [2021-07-14 07:22:15,447 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 07:22:15,447 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063909775] [2021-07-14 07:22:15,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 07:22:15,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:22:16,428 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 6 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:22:16,429 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 07:22:16,429 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063909775] [2021-07-14 07:22:16,429 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063909775] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:22:16,429 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [182698225] [2021-07-14 07:22:16,429 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 [2021-07-14 07:22:16,473 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2021-07-14 07:22:16,473 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 07:22:16,474 WARN L261 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 72 conjunts are in the unsatisfiable core [2021-07-14 07:22:16,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 07:22:17,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:22:17,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:22:17,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:22:17,347 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 07:22:17,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:22:17,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:22:17,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:22:17,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:22:17,350 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 07:22:17,351 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 07:22:17,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 28 disjoint index pairs (out of 55 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 23 [2021-07-14 07:22:17,355 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:22:17,359 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:22:17,361 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 07:22:17,362 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:65, output treesize:3 [2021-07-14 07:22:17,393 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:22:17,393 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [182698225] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:22:17,393 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 07:22:17,393 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 22] total 41 [2021-07-14 07:22:17,393 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340761748] [2021-07-14 07:22:17,395 INFO L462 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-07-14 07:22:17,395 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 07:22:17,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-07-14 07:22:17,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=1493, Unknown=0, NotChecked=0, Total=1640 [2021-07-14 07:22:17,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:22:17,397 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 07:22:17,398 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 41 states, 41 states have (on average 2.2195121951219514) internal successors, (91), 41 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 07:22:17,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 07:22:17,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 07:22:17,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 07:22:17,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 07:22:17,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 07:22:17,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 07:22:17,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-14 07:22:17,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 07:22:17,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-14 07:22:17,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 07:22:17,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:22:19,348 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 81 [2021-07-14 07:22:19,794 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 91 [2021-07-14 07:22:20,192 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 87 [2021-07-14 07:22:20,337 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 88 [2021-07-14 07:22:20,490 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 97 [2021-07-14 07:22:20,692 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 96 [2021-07-14 07:22:20,888 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 95 [2021-07-14 07:22:21,958 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 97 [2021-07-14 07:22:22,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 07:22:22,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 07:22:22,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 07:22:22,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 07:22:22,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 07:22:22,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 07:22:22,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-14 07:22:22,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 07:22:22,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-14 07:22:22,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 07:22:22,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-14 07:22:22,227 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:22:22,227 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 07:22:22,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 07:22:22,228 INFO L82 PathProgramCache]: Analyzing trace with hash 698368051, now seen corresponding path program 12 times [2021-07-14 07:22:22,228 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 07:22:22,228 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042248545] [2021-07-14 07:22:22,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 07:22:22,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:22:23,338 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 16 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:22:23,338 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 07:22:23,338 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042248545] [2021-07-14 07:22:23,338 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042248545] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:22:23,338 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [378068979] [2021-07-14 07:22:23,339 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 [2021-07-14 07:22:23,377 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2021-07-14 07:22:23,377 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 07:22:23,378 WARN L261 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 82 conjunts are in the unsatisfiable core [2021-07-14 07:22:23,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 07:22:25,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:22:25,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:22:25,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:22:25,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:22:25,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:22:25,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:22:25,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:22:25,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:22:25,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:22:25,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:22:25,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:22:25,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:22:25,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:22:25,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:22:25,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:22:25,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:22:25,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:22:25,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:22:25,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:22:25,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:22:25,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:22:25,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:22:25,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:22:25,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:22:25,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:22:25,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:22:25,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:22:25,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:22:25,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:22:25,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:22:25,527 WARN L205 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 253 [2021-07-14 07:22:25,528 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:22:25,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 36 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 55 case distinctions, treesize of input 75 treesize of output 565 [2021-07-14 07:22:26,577 WARN L205 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 1590 DAG size of output: 1114 [2021-07-14 07:22:27,340 WARN L205 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 1607 DAG size of output: 1131 [2021-07-14 07:22:32,205 WARN L205 SmtUtils]: Spent 4.19 s on a formula simplification. DAG size of input: 6068 DAG size of output: 3595 [2021-07-14 07:22:36,521 WARN L205 SmtUtils]: Spent 4.19 s on a formula simplification. DAG size of input: 6084 DAG size of output: 3611 [2021-07-14 07:22:57,316 WARN L205 SmtUtils]: Spent 18.65 s on a formula simplification. DAG size of input: 18935 DAG size of output: 10605 [2021-07-14 07:23:18,469 WARN L205 SmtUtils]: Spent 20.75 s on a formula simplification. DAG size of input: 18965 DAG size of output: 10631 [2021-07-14 07:24:01,023 WARN L205 SmtUtils]: Spent 42.47 s on a formula simplification. DAG size of input: 9954 DAG size of output: 10242 [2021-07-14 07:24:41,292 WARN L205 SmtUtils]: Spent 40.18 s on a formula simplification. DAG size of input: 9948 DAG size of output: 10382 [2021-07-14 07:25:21,674 WARN L205 SmtUtils]: Spent 40.25 s on a formula simplification. DAG size of input: 9944 DAG size of output: 10113 [2021-07-14 07:26:03,195 WARN L205 SmtUtils]: Spent 41.40 s on a formula simplification. DAG size of input: 9941 DAG size of output: 10150 [2021-07-14 07:26:20,882 WARN L205 SmtUtils]: Spent 17.57 s on a formula simplification. DAG size of input: 9936 DAG size of output: 9936 [2021-07-14 07:26:34,145 WARN L205 SmtUtils]: Spent 13.20 s on a formula simplification. DAG size of input: 8756 DAG size of output: 8756 [2021-07-14 07:26:57,099 WARN L205 SmtUtils]: Spent 22.89 s on a formula simplification. DAG size of input: 7669 DAG size of output: 8192 [2021-07-14 07:27:20,106 WARN L205 SmtUtils]: Spent 22.91 s on a formula simplification. DAG size of input: 7665 DAG size of output: 8999 [2021-07-14 07:27:43,940 WARN L205 SmtUtils]: Spent 23.76 s on a formula simplification. DAG size of input: 7662 DAG size of output: 7880 [2021-07-14 07:27:44,985 WARN L205 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 1898 DAG size of output: 1898 [2021-07-14 07:27:45,367 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 629 [2021-07-14 07:27:45,507 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 540 [2021-07-14 07:27:46,475 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 1044 DAG size of output: 766 [2021-07-14 07:27:46,929 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 1495 DAG size of output: 1078 [2021-07-14 07:27:47,589 WARN L205 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 1680 DAG size of output: 1239 [2021-07-14 07:27:47,972 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 685 [2021-07-14 07:27:48,308 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 548 DAG size of output: 602 [2021-07-14 07:27:49,207 WARN L205 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 1452 DAG size of output: 1013 [2021-07-14 07:27:49,903 WARN L205 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 1711 DAG size of output: 1242 [2021-07-14 07:27:50,292 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 1108 DAG size of output: 1108 [2021-07-14 07:27:50,767 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 864 DAG size of output: 601 [2021-07-14 07:27:51,018 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 929 DAG size of output: 929 [2021-07-14 07:27:51,420 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 598 DAG size of output: 296 [2021-07-14 07:27:51,655 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 806 DAG size of output: 461 [2021-07-14 07:27:51,816 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 355 DAG size of output: 384 [2021-07-14 07:27:52,062 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 831 DAG size of output: 647 [2021-07-14 07:27:52,254 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 393 DAG size of output: 436 [2021-07-14 07:27:52,612 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 845 DAG size of output: 646 [2021-07-14 07:27:53,230 WARN L205 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 2225 DAG size of output: 1520 [2021-07-14 07:27:54,153 WARN L205 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 2790 DAG size of output: 1895 [2021-07-14 07:27:54,326 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 408 DAG size of output: 435 [2021-07-14 07:27:54,475 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 430 [2021-07-14 07:27:54,741 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 803 DAG size of output: 649 [2021-07-14 07:27:55,002 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 1031 DAG size of output: 833 [2021-07-14 07:27:58,098 WARN L205 SmtUtils]: Spent 3.09 s on a formula simplification. DAG size of input: 5710 DAG size of output: 4039 [2021-07-14 07:27:58,587 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 789 DAG size of output: 605 [2021-07-14 07:27:58,962 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 419 [2021-07-14 07:27:59,350 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 964 DAG size of output: 714 [2021-07-14 07:27:59,478 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 396 [2021-07-14 07:27:59,836 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 886 DAG size of output: 684 [2021-07-14 07:28:00,023 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 460 DAG size of output: 525 [2021-07-14 07:28:00,579 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 908 DAG size of output: 700 [2021-07-14 07:28:00,875 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 1223 DAG size of output: 929 [2021-07-14 07:28:02,021 WARN L205 SmtUtils]: Spent 988.00 ms on a formula simplification. DAG size of input: 1123 DAG size of output: 1243 [2021-07-14 07:28:02,760 WARN L205 SmtUtils]: Spent 729.00 ms on a formula simplification. DAG size of input: 990 DAG size of output: 1224 [2021-07-14 07:28:04,704 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 2789 DAG size of output: 2191 [2021-07-14 07:28:06,564 WARN L205 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 3567 DAG size of output: 2905 [2021-07-14 07:28:07,407 WARN L205 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 1018 DAG size of output: 1101 [2021-07-14 07:28:07,600 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 448 DAG size of output: 477 [2021-07-14 07:28:08,102 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 914 DAG size of output: 709 [2021-07-14 07:28:08,343 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 1149 DAG size of output: 926 [2021-07-14 07:28:08,487 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 394 [2021-07-14 07:28:08,791 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 732 DAG size of output: 548 [2021-07-14 07:28:08,997 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 916 DAG size of output: 711 [2021-07-14 07:28:09,961 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 811 DAG size of output: 645 [2021-07-14 07:28:11,589 WARN L205 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 3364 DAG size of output: 2662 [2021-07-14 07:28:13,457 WARN L205 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 1471 DAG size of output: 1699 [2021-07-14 07:28:14,175 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 920 DAG size of output: 688 [2021-07-14 07:28:14,300 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 402 [2021-07-14 07:28:14,634 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 885 DAG size of output: 667 [2021-07-14 07:28:14,804 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 524 [2021-07-14 07:28:15,379 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 1253 DAG size of output: 924 [2021-07-14 07:28:15,661 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 1555 DAG size of output: 1149 [2021-07-14 07:28:16,505 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 395 [2021-07-14 07:28:16,841 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 894 DAG size of output: 662 [2021-07-14 07:28:19,797 WARN L205 SmtUtils]: Spent 2.95 s on a formula simplification. DAG size of input: 4986 DAG size of output: 3675 [2021-07-14 07:28:21,711 WARN L205 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 1690 DAG size of output: 1866 [2021-07-14 07:28:22,372 WARN L205 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 1557 DAG size of output: 1557 [2021-07-14 07:28:22,871 WARN L205 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 846 DAG size of output: 957 [2021-07-14 07:28:23,313 WARN L205 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 759 DAG size of output: 806 [2021-07-14 07:28:23,478 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 753 DAG size of output: 753 [2021-07-14 07:28:24,329 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 1149 DAG size of output: 1034 [2021-07-14 07:28:24,558 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 538 DAG size of output: 627 [2021-07-14 07:28:25,161 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 834 DAG size of output: 711 [2021-07-14 07:28:25,315 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 1062 DAG size of output: 890 [2021-07-14 07:28:25,619 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 1378 DAG size of output: 1201 [2021-07-14 07:28:26,281 WARN L205 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 2290 DAG size of output: 2009 [2021-07-14 07:28:27,333 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 2675 DAG size of output: 2342 [2021-07-14 07:28:28,880 WARN L205 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 3071 DAG size of output: 2709 [2021-07-14 07:28:29,157 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 629 [2021-07-14 07:28:29,392 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 501 DAG size of output: 564 [2021-07-14 07:28:30,094 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 744 DAG size of output: 655 [2021-07-14 07:28:30,333 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 898 DAG size of output: 797 [2021-07-14 07:28:31,423 WARN L205 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 1557 DAG size of output: 1364 [2021-07-14 07:28:32,135 WARN L205 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 1902 DAG size of output: 1650 [2021-07-14 07:28:33,145 WARN L205 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 2047 DAG size of output: 1782 [2021-07-14 07:28:33,463 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 544 DAG size of output: 614 [2021-07-14 07:28:34,553 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 511 DAG size of output: 509 [2021-07-14 07:28:35,017 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 666 DAG size of output: 585 [2021-07-14 07:28:36,065 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 1366 DAG size of output: 1179 [2021-07-14 07:28:36,843 WARN L205 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 2192 DAG size of output: 1881 [2021-07-14 07:28:37,939 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 2507 DAG size of output: 2140 [2021-07-14 07:28:38,775 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 823 DAG size of output: 765 [2021-07-14 07:28:39,003 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 988 DAG size of output: 909 [2021-07-14 07:28:39,305 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 1197 DAG size of output: 1064 [2021-07-14 07:28:39,740 WARN L205 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 1282 DAG size of output: 1142 [2021-07-14 07:28:40,322 WARN L205 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 1329 DAG size of output: 1187 [2021-07-14 07:28:45,511 WARN L205 SmtUtils]: Spent 5.17 s on a formula simplification. DAG size of input: 7065 DAG size of output: 5979 [2021-07-14 07:28:52,782 WARN L205 SmtUtils]: Spent 7.23 s on a formula simplification. DAG size of input: 8367 DAG size of output: 7290 [2021-07-14 07:28:54,348 WARN L205 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 1998 DAG size of output: 1998 [2021-07-14 07:28:54,904 WARN L205 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 696 [2021-07-14 07:28:55,394 WARN L205 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 578 DAG size of output: 659 [2021-07-14 07:28:55,557 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 552 DAG size of output: 552 [2021-07-14 07:28:55,674 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 468 DAG size of output: 468 [2021-07-14 07:28:56,209 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 406 DAG size of output: 476 [2021-07-14 07:28:56,667 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 1079 DAG size of output: 809 [2021-07-14 07:28:57,092 WARN L205 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 1316 DAG size of output: 995 [2021-07-14 07:28:57,788 WARN L205 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 1520 DAG size of output: 1153 [2021-07-14 07:28:58,754 WARN L205 SmtUtils]: Spent 957.00 ms on a formula simplification. DAG size of input: 1798 DAG size of output: 1367 [2021-07-14 07:29:00,152 WARN L205 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 2145 DAG size of output: 1632 [2021-07-14 07:29:02,524 WARN L205 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 1689 DAG size of output: 1997 [2021-07-14 07:29:03,386 WARN L205 SmtUtils]: Spent 848.00 ms on a formula simplification. DAG size of input: 1552 DAG size of output: 1552 [2021-07-14 07:29:03,605 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 408 DAG size of output: 444 [2021-07-14 07:29:04,518 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 1079 DAG size of output: 778 [2021-07-14 07:29:04,834 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 1281 DAG size of output: 933 [2021-07-14 07:29:06,259 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 1455 DAG size of output: 1658 [2021-07-14 07:29:06,503 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 523 DAG size of output: 605 [2021-07-14 07:29:07,194 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 1390 DAG size of output: 1077 [2021-07-14 07:29:07,414 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 486 [2021-07-14 07:29:07,814 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 1073 DAG size of output: 854 [2021-07-14 07:29:08,485 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 873 DAG size of output: 602 [2021-07-14 07:29:08,655 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 411 [2021-07-14 07:29:09,012 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 1025 DAG size of output: 769 [2021-07-14 07:29:11,519 WARN L205 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 4524 DAG size of output: 3437 [2021-07-14 07:29:15,186 WARN L205 SmtUtils]: Spent 3.65 s on a formula simplification. DAG size of input: 5257 DAG size of output: 3925 [2021-07-14 07:29:22,676 WARN L205 SmtUtils]: Spent 7.46 s on a formula simplification. DAG size of input: 6312 DAG size of output: 4761 [2021-07-14 07:29:30,416 WARN L205 SmtUtils]: Spent 7.71 s on a formula simplification. DAG size of input: 7748 DAG size of output: 5847 [2021-07-14 07:30:33,490 WARN L205 SmtUtils]: Spent 1.05 m on a formula simplification. DAG size of input: 35125 DAG size of output: 27640 [2021-07-14 07:31:49,469 WARN L205 SmtUtils]: Spent 1.26 m on a formula simplification. DAG size of input: 38302 DAG size of output: 30712 [2021-07-14 07:34:01,173 WARN L205 SmtUtils]: Spent 2.19 m on a formula simplification. DAG size of input: 43473 DAG size of output: 35674 [2021-07-14 07:34:03,503 WARN L205 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 1828 DAG size of output: 1983 [2021-07-14 07:34:05,630 WARN L205 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 1759 DAG size of output: 1843 [2021-07-14 07:34:07,673 WARN L205 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 1755 DAG size of output: 1807 [2021-07-14 07:34:09,580 WARN L205 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 1751 DAG size of output: 1938 [2021-07-14 07:34:11,627 WARN L205 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 1748 DAG size of output: 1773 [2021-07-14 07:34:11,827 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 484 DAG size of output: 540 [2021-07-14 07:34:12,247 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 1037 DAG size of output: 778 [2021-07-14 07:34:12,927 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 959 DAG size of output: 757 [2021-07-14 07:34:14,051 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 919 DAG size of output: 670 [2021-07-14 07:34:14,888 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 1091 DAG size of output: 930 [2021-07-14 07:34:15,148 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 1435 DAG size of output: 1181 [2021-07-14 07:34:15,468 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 615 [2021-07-14 07:34:15,697 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 473 DAG size of output: 545 [2021-07-14 07:34:16,185 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 1031 DAG size of output: 783 [2021-07-14 07:34:16,706 WARN L205 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 1327 DAG size of output: 1009 [2021-07-14 07:34:20,523 WARN L205 SmtUtils]: Spent 3.81 s on a formula simplification. DAG size of input: 6076 DAG size of output: 4624 [2021-07-14 07:34:25,984 WARN L205 SmtUtils]: Spent 5.43 s on a formula simplification. DAG size of input: 6773 DAG size of output: 5261 [2021-07-14 07:34:33,339 WARN L205 SmtUtils]: Spent 7.32 s on a formula simplification. DAG size of input: 7808 DAG size of output: 6209 [2021-07-14 07:34:43,202 WARN L205 SmtUtils]: Spent 9.82 s on a formula simplification. DAG size of input: 8901 DAG size of output: 7197 [2021-07-14 07:34:55,828 WARN L205 SmtUtils]: Spent 12.58 s on a formula simplification. DAG size of input: 9885 DAG size of output: 8064 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown