/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-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/ring-nondet.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 19:05:10,866 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 19:05:10,867 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 19:05:10,885 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 19:05:10,908 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-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf [2021-07-14 19:05:10,923 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 19:05:10,923 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 19:05:10,923 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 19:05:10,923 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 19:05:10,924 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 19:05:10,924 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 19:05:10,925 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 19:05:10,925 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 19:05:10,925 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 19:05:10,925 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 19:05:10,925 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 19:05:10,925 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 19:05:10,925 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 19:05:10,926 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 19:05:10,926 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 19:05:10,926 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 19:05:10,926 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 19:05:10,926 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 19:05:10,926 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 19:05:10,926 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 19:05:10,926 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 19:05:10,926 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 19:05:10,927 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 19:05:10,927 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 19:05:10,927 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 19:05:10,927 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 19:05:10,927 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 19:05:10,927 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 19:05:10,927 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-14 19:05:10,927 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 19:05:10,927 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 19:05:10,928 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 19:05:10,928 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 19:05:10,928 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-14 19:05:10,928 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 19:05:11,207 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 19:05:11,238 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 19:05:11,240 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 19:05:11,240 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 19:05:11,246 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 19:05:11,246 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/ring-nondet.wvr.bpl [2021-07-14 19:05:11,247 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/ring-nondet.wvr.bpl' [2021-07-14 19:05:11,273 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 19:05:11,274 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 19:05:11,275 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 19:05:11,275 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 19:05:11,275 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 19:05:11,291 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:05:11" (1/1) ... [2021-07-14 19:05:11,297 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:05:11" (1/1) ... [2021-07-14 19:05:11,302 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 19:05:11,303 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 19:05:11,303 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 19:05:11,303 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 19:05:11,308 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:05:11" (1/1) ... [2021-07-14 19:05:11,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:05:11" (1/1) ... [2021-07-14 19:05:11,310 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:05:11" (1/1) ... [2021-07-14 19:05:11,310 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:05:11" (1/1) ... [2021-07-14 19:05:11,318 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:05:11" (1/1) ... [2021-07-14 19:05:11,321 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:05:11" (1/1) ... [2021-07-14 19:05:11,322 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:05:11" (1/1) ... [2021-07-14 19:05:11,327 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 19:05:11,329 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 19:05:11,329 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 19:05:11,330 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 19:05:11,331 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:05:11" (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 19:05:11,378 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 19:05:11,378 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 19:05:11,378 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 19:05:11,378 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 19:05:11,378 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 19:05:11,378 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 19:05:11,378 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 19:05:11,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 19:05:11,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 19:05:11,379 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-14 19:05:11,379 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-14 19:05:11,379 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-14 19:05:11,379 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 19:05:11,570 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 19:05:11,570 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-14 19:05:11,572 INFO L202 PluginConnector]: Adding new model ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 07:05:11 BoogieIcfgContainer [2021-07-14 19:05:11,572 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 19:05:11,573 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 19:05:11,573 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 19:05:11,575 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 19:05:11,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:05:11" (1/2) ... [2021-07-14 19:05:11,576 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31da851e and model type ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 07:05:11, skipping insertion in model container [2021-07-14 19:05:11,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 07:05:11" (2/2) ... [2021-07-14 19:05:11,577 INFO L111 eAbstractionObserver]: Analyzing ICFG ring-nondet.wvr.bpl [2021-07-14 19:05:11,581 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 19:05:11,581 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 19:05:11,581 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 19:05:11,581 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 19:05:11,607 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-07-14 19:05:11,622 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 19:05:11,724 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 19:05:11,724 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 19:05:11,724 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 19:05:11,724 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 19:05:11,724 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 19:05:11,724 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 19:05:11,724 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 19:05:11,724 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 19:05:11,924 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:05:11,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:05:11,928 INFO L82 PathProgramCache]: Analyzing trace with hash -1639258798, now seen corresponding path program 1 times [2021-07-14 19:05:11,937 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:05:11,937 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156162856] [2021-07-14 19:05:11,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:05:12,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:05:12,206 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 19:05:12,208 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:05:12,208 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156162856] [2021-07-14 19:05:12,209 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156162856] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:05:12,209 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [701584303] [2021-07-14 19:05:12,209 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 19:05:12,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:05:12,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-14 19:05:12,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:05:12,437 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-07-14 19:05:12,438 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [701584303] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:05:12,438 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 19:05:12,438 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 3] total 10 [2021-07-14 19:05:12,439 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156674852] [2021-07-14 19:05:12,442 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-14 19:05:12,442 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:05:12,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-14 19:05:12,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-07-14 19:05:12,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:05:12,453 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:05:12,454 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 5.454545454545454) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 19:05:12,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:05:12,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 19:05:12,885 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-07-14 19:05:12,886 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:05:12,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:05:12,886 INFO L82 PathProgramCache]: Analyzing trace with hash -299649556, now seen corresponding path program 2 times [2021-07-14 19:05:12,886 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:05:12,887 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999158571] [2021-07-14 19:05:12,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:05:13,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:05:13,966 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:05:13,967 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:05:13,967 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999158571] [2021-07-14 19:05:13,967 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999158571] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:05:13,967 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1083648727] [2021-07-14 19:05:13,967 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 19:05:14,034 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 19:05:14,034 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 19:05:14,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 27 conjunts are in the unsatisfiable core [2021-07-14 19:05:14,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:05:14,496 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-07-14 19:05:14,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 25 treesize of output 13 [2021-07-14 19:05:14,499 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 19:05:14,502 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 19:05:14,502 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 19:05:14,502 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:28, output treesize:7 [2021-07-14 19:05:14,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-14 19:05:14,560 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 19:05:14,562 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 19:05:14,562 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 19:05:14,562 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-07-14 19:05:14,617 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 13 proven. 73 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 19:05:14,617 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1083648727] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:05:14,618 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 19:05:14,618 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 15] total 36 [2021-07-14 19:05:14,618 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048345030] [2021-07-14 19:05:14,619 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-07-14 19:05:14,619 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:05:14,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-07-14 19:05:14,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=196, Invalid=1136, Unknown=0, NotChecked=0, Total=1332 [2021-07-14 19:05:14,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:05:14,623 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:05:14,624 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 3.324324324324324) internal successors, (123), 36 states have internal predecessors, (123), 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 19:05:14,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 19:05:14,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:05:15,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 19:05:15,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 19:05:15,477 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:05:15,477 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:05:15,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:05:15,478 INFO L82 PathProgramCache]: Analyzing trace with hash 381743836, now seen corresponding path program 3 times [2021-07-14 19:05:15,478 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:05:15,478 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139818997] [2021-07-14 19:05:15,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:05:15,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:05:15,549 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-07-14 19:05:15,549 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:05:15,549 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139818997] [2021-07-14 19:05:15,549 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139818997] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:05:15,549 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [592932505] [2021-07-14 19:05:15,549 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 19:05:15,593 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-14 19:05:15,593 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 19:05:15,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 24 conjunts are in the unsatisfiable core [2021-07-14 19:05:15,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:05:15,732 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-07-14 19:05:15,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 10 [2021-07-14 19:05:15,734 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 19:05:15,737 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 19:05:15,737 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 19:05:15,738 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:21, output treesize:7 [2021-07-14 19:05:15,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-07-14 19:05:15,771 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 19:05:15,772 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 19:05:15,773 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 19:05:15,773 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:3 [2021-07-14 19:05:15,812 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 21 proven. 32 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-07-14 19:05:15,812 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [592932505] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:05:15,812 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 19:05:15,812 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 10] total 15 [2021-07-14 19:05:15,812 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604495315] [2021-07-14 19:05:15,813 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-14 19:05:15,813 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:05:15,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-14 19:05:15,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2021-07-14 19:05:15,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:05:15,813 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:05:15,813 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 5.0625) internal successors, (81), 15 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 19:05:15,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 19:05:15,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 19:05:15,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:05:16,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 19:05:16,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 19:05:16,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 19:05:17,198 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:05:17,199 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:05:17,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:05:17,200 INFO L82 PathProgramCache]: Analyzing trace with hash -1519337255, now seen corresponding path program 4 times [2021-07-14 19:05:17,200 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:05:17,200 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567216727] [2021-07-14 19:05:17,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:05:17,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:05:17,297 INFO L134 CoverageAnalysis]: Checked inductivity of 404 backedges. 58 proven. 191 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2021-07-14 19:05:17,297 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:05:17,298 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567216727] [2021-07-14 19:05:17,298 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567216727] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:05:17,298 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1936638481] [2021-07-14 19:05:17,298 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 19:05:17,380 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 19:05:17,380 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 19:05:17,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 16 conjunts are in the unsatisfiable core [2021-07-14 19:05:17,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:05:17,552 INFO L134 CoverageAnalysis]: Checked inductivity of 404 backedges. 58 proven. 109 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2021-07-14 19:05:17,553 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1936638481] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:05:17,553 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 19:05:17,553 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 5 [2021-07-14 19:05:17,553 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760421534] [2021-07-14 19:05:17,554 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-14 19:05:17,554 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:05:17,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-14 19:05:17,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-07-14 19:05:17,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:05:17,554 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:05:17,555 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 5 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 19:05:17,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 19:05:17,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 19:05:17,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 19:05:17,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:05:17,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 19:05:17,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 19:05:17,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 19:05:17,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 19:05:17,816 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:05:17,816 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:05:17,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:05:17,817 INFO L82 PathProgramCache]: Analyzing trace with hash -171599530, now seen corresponding path program 5 times [2021-07-14 19:05:17,817 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:05:17,817 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144387045] [2021-07-14 19:05:17,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:05:18,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:05:18,968 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 41 [2021-07-14 19:05:22,037 INFO L134 CoverageAnalysis]: Checked inductivity of 659 backedges. 47 proven. 612 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:05:22,037 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:05:22,037 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144387045] [2021-07-14 19:05:22,037 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144387045] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:05:22,037 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2043446672] [2021-07-14 19:05:22,037 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 19:05:22,140 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2021-07-14 19:05:22,140 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 19:05:22,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 78 conjunts are in the unsatisfiable core [2021-07-14 19:05:22,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:05:23,962 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 83 [2021-07-14 19:05:24,837 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 92 [2021-07-14 19:05:25,194 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 98 [2021-07-14 19:05:26,422 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 101 [2021-07-14 19:05:27,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 37 [2021-07-14 19:05:27,457 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 19:05:27,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 78 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 43 [2021-07-14 19:05:27,572 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 19:05:27,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 28 [2021-07-14 19:05:27,612 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 19:05:27,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 31 [2021-07-14 19:05:27,660 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 19:05:27,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 66 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 40 [2021-07-14 19:05:27,744 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 19:05:27,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 22 [2021-07-14 19:05:27,774 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 19:05:27,777 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 19:05:27,778 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 19:05:27,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 25 [2021-07-14 19:05:27,816 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 19:05:27,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:05:27,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 34 [2021-07-14 19:05:27,849 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 19:05:27,876 INFO L628 ElimStorePlain]: treesize reduction 109, result has 24.8 percent of original size [2021-07-14 19:05:27,878 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 19:05:27,878 INFO L247 ElimStorePlain]: Needed 10 recursive calls to eliminate 2 variables, input treesize:743, output treesize:24 [2021-07-14 19:05:28,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-07-14 19:05:28,463 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 19:05:28,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-14 19:05:28,467 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 19:05:28,473 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 19:05:28,474 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 19:05:28,474 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:35, output treesize:21 [2021-07-14 19:05:28,804 INFO L134 CoverageAnalysis]: Checked inductivity of 659 backedges. 50 proven. 609 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:05:28,805 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2043446672] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:05:28,805 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 19:05:28,805 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 45] total 99 [2021-07-14 19:05:28,805 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996920015] [2021-07-14 19:05:28,805 INFO L462 AbstractCegarLoop]: Interpolant automaton has 100 states [2021-07-14 19:05:28,805 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:05:28,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2021-07-14 19:05:28,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=887, Invalid=9013, Unknown=0, NotChecked=0, Total=9900 [2021-07-14 19:05:28,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:05:28,810 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:05:28,810 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 100 states, 100 states have (on average 2.83) internal successors, (283), 99 states have internal predecessors, (283), 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 19:05:28,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 19:05:28,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 19:05:28,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 19:05:28,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 19:05:28,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:05:30,210 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2021-07-14 19:05:30,551 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 78 [2021-07-14 19:05:30,726 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 60 [2021-07-14 19:05:30,982 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 57 [2021-07-14 19:05:31,546 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2021-07-14 19:05:31,847 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-07-14 19:05:32,106 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 61 [2021-07-14 19:05:32,275 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2021-07-14 19:05:32,456 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 59 [2021-07-14 19:05:32,657 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 62 [2021-07-14 19:05:32,877 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 64 [2021-07-14 19:05:33,072 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 60 [2021-07-14 19:05:33,368 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 67 [2021-07-14 19:05:33,695 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 61 [2021-07-14 19:05:33,934 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 60 [2021-07-14 19:05:34,257 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 43 [2021-07-14 19:05:34,554 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 46 [2021-07-14 19:05:34,826 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 63 [2021-07-14 19:05:34,973 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 41 [2021-07-14 19:05:35,210 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 58 [2021-07-14 19:05:36,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 19:05:36,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 19:05:36,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 19:05:36,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 19:05:36,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 19:05:36,237 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:05:36,237 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:05:36,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:05:36,237 INFO L82 PathProgramCache]: Analyzing trace with hash 857913672, now seen corresponding path program 6 times [2021-07-14 19:05:36,237 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:05:36,237 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412727856] [2021-07-14 19:05:36,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:05:36,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:05:38,348 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 54 [2021-07-14 19:05:38,528 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 52 [2021-07-14 19:05:38,774 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 53 [2021-07-14 19:05:39,111 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 54 [2021-07-14 19:05:39,387 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 55 [2021-07-14 19:05:39,637 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 51 [2021-07-14 19:05:40,639 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 44 [2021-07-14 19:05:40,823 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 48 [2021-07-14 19:05:41,005 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 48 [2021-07-14 19:05:43,779 INFO L134 CoverageAnalysis]: Checked inductivity of 1065 backedges. 0 proven. 1064 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 19:05:43,779 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:05:43,779 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412727856] [2021-07-14 19:05:43,779 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412727856] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:05:43,779 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1208692980] [2021-07-14 19:05:43,779 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 19:05:43,928 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 17 check-sat command(s) [2021-07-14 19:05:43,928 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 19:05:43,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 95 conjunts are in the unsatisfiable core [2021-07-14 19:05:43,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:05:46,190 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2021-07-14 19:05:47,057 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2021-07-14 19:05:47,411 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 95 [2021-07-14 19:05:48,041 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 103 [2021-07-14 19:05:49,204 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 115 [2021-07-14 19:05:49,755 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 125 [2021-07-14 19:05:50,047 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2021-07-14 19:05:50,605 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 132 [2021-07-14 19:05:50,926 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2021-07-14 19:05:51,249 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2021-07-14 19:05:51,673 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2021-07-14 19:05:52,000 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2021-07-14 19:05:52,456 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2021-07-14 19:05:52,793 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2021-07-14 19:05:53,312 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2021-07-14 19:05:54,193 INFO L354 Elim1Store]: treesize reduction 640, result has 0.2 percent of original size [2021-07-14 19:05:54,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 83 treesize of output 37 [2021-07-14 19:05:54,197 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 19:05:54,200 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 19:05:54,201 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 19:05:54,201 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:88, output treesize:9 [2021-07-14 19:05:54,502 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-14 19:05:54,503 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 19:05:54,504 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 19:05:54,504 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 19:05:54,504 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-07-14 19:05:54,705 INFO L134 CoverageAnalysis]: Checked inductivity of 1065 backedges. 115 proven. 938 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-07-14 19:05:54,705 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1208692980] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:05:54,705 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 19:05:54,705 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [73, 49] total 121 [2021-07-14 19:05:54,705 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871174394] [2021-07-14 19:05:54,706 INFO L462 AbstractCegarLoop]: Interpolant automaton has 122 states [2021-07-14 19:05:54,706 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:05:54,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 122 interpolants. [2021-07-14 19:05:54,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1198, Invalid=13564, Unknown=0, NotChecked=0, Total=14762 [2021-07-14 19:05:54,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:05:54,710 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:05:54,711 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 122 states, 122 states have (on average 2.7540983606557377) internal successors, (336), 121 states have internal predecessors, (336), 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 19:05:54,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 19:05:54,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 19:05:54,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 19:05:54,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 19:05:54,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 19:05:54,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:05:57,022 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 73 [2021-07-14 19:05:57,413 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 77 [2021-07-14 19:05:57,765 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 81 [2021-07-14 19:05:58,068 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 76 [2021-07-14 19:05:58,384 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 77 [2021-07-14 19:05:58,729 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 83 [2021-07-14 19:05:59,031 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 72 [2021-07-14 19:05:59,335 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 78 [2021-07-14 19:05:59,642 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 74 [2021-07-14 19:06:00,061 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 54 [2021-07-14 19:06:00,301 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 60 [2021-07-14 19:06:01,388 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 100 [2021-07-14 19:06:01,670 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 85 [2021-07-14 19:06:02,344 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 83 [2021-07-14 19:06:02,677 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 81 [2021-07-14 19:06:03,398 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 63 [2021-07-14 19:06:03,695 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 55 [2021-07-14 19:06:05,728 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 101 [2021-07-14 19:06:06,274 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 94 [2021-07-14 19:06:06,585 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 98 [2021-07-14 19:06:07,180 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 96 [2021-07-14 19:06:07,510 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 99 [2021-07-14 19:06:07,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 19:06:07,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 19:06:07,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 19:06:07,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 19:06:07,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 19:06:07,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-07-14 19:06:07,756 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2021-07-14 19:06:07,757 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:06:07,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:06:07,757 INFO L82 PathProgramCache]: Analyzing trace with hash 1883336432, now seen corresponding path program 7 times [2021-07-14 19:06:07,757 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:06:07,757 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440754301] [2021-07-14 19:06:07,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:06:08,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:06:29,492 WARN L205 SmtUtils]: Spent 14.89 s on a formula simplification. DAG size of input: 207 DAG size of output: 58 [2021-07-14 19:06:43,303 WARN L205 SmtUtils]: Spent 13.73 s on a formula simplification. DAG size of input: 206 DAG size of output: 64 [2021-07-14 19:07:01,011 WARN L205 SmtUtils]: Spent 17.63 s on a formula simplification. DAG size of input: 216 DAG size of output: 65 [2021-07-14 19:07:09,525 WARN L205 SmtUtils]: Spent 8.43 s on a formula simplification. DAG size of input: 150 DAG size of output: 55 [2021-07-14 19:07:17,590 WARN L205 SmtUtils]: Spent 7.99 s on a formula simplification. DAG size of input: 145 DAG size of output: 53 [2021-07-14 19:07:31,663 WARN L205 SmtUtils]: Spent 14.00 s on a formula simplification. DAG size of input: 211 DAG size of output: 63 [2021-07-14 19:07:45,515 WARN L205 SmtUtils]: Spent 13.76 s on a formula simplification. DAG size of input: 196 DAG size of output: 62 [2021-07-14 19:07:52,157 WARN L205 SmtUtils]: Spent 6.56 s on a formula simplification. DAG size of input: 138 DAG size of output: 67 [2021-07-14 19:08:05,814 WARN L205 SmtUtils]: Spent 13.48 s on a formula simplification. DAG size of input: 221 DAG size of output: 128 [2021-07-14 19:08:06,104 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 50 [2021-07-14 19:08:21,669 WARN L205 SmtUtils]: Spent 15.56 s on a formula simplification. DAG size of input: 221 DAG size of output: 103 [2021-07-14 19:08:21,883 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 49 [2021-07-14 19:08:29,711 WARN L205 SmtUtils]: Spent 7.83 s on a formula simplification. DAG size of input: 170 DAG size of output: 93 [2021-07-14 19:10:48,305 WARN L205 SmtUtils]: Spent 2.31 m on a formula simplification. DAG size of input: 232 DAG size of output: 125 [2021-07-14 19:12:52,876 WARN L205 SmtUtils]: Spent 2.07 m on a formula simplification. DAG size of input: 230 DAG size of output: 124 [2021-07-14 19:14:57,408 WARN L205 SmtUtils]: Spent 2.07 m on a formula simplification. DAG size of input: 226 DAG size of output: 120 [2021-07-14 19:16:40,827 WARN L205 SmtUtils]: Spent 1.72 m on a formula simplification. DAG size of input: 253 DAG size of output: 112 [2021-07-14 19:18:32,433 WARN L205 SmtUtils]: Spent 1.86 m on a formula simplification. DAG size of input: 240 DAG size of output: 111 [2021-07-14 19:18:32,604 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 47 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown