/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/simple-array-sum.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 10:55:19,096 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 10:55:19,098 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 10:55:19,133 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-06 10:55:19,193 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-DelaySleep-NoLbe.epf [2021-06-06 10:55:19,215 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 10:55:19,215 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 10:55:19,215 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 10:55:19,215 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 10:55:19,218 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 10:55:19,218 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 10:55:19,218 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 10:55:19,218 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 10:55:19,218 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 10:55:19,218 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 10:55:19,219 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 10:55:19,219 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 10:55:19,219 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 10:55:19,219 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 10:55:19,219 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 10:55:19,219 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 10:55:19,220 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 10:55:19,220 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 10:55:19,220 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 10:55:19,220 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 10:55:19,220 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 10:55:19,220 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 10:55:19,220 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 10:55:19,220 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 10:55:19,221 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 10:55:19,221 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 10:55:19,221 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 10:55:19,221 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 10:55:19,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 10:55:19,221 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 10:55:19,222 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 10:55:19,222 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 10:55:19,222 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 10:55:19,222 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 10:55:19,503 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 10:55:19,533 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 10:55:19,535 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 10:55:19,536 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-06 10:55:19,538 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-06 10:55:19,539 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/simple-array-sum.wvr.bpl [2021-06-06 10:55:19,539 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/simple-array-sum.wvr.bpl' [2021-06-06 10:55:19,569 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 10:55:19,570 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-06 10:55:19,571 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 10:55:19,571 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 10:55:19,572 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 10:55:19,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:55:19" (1/1) ... [2021-06-06 10:55:19,589 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:55:19" (1/1) ... [2021-06-06 10:55:19,596 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 10:55:19,597 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 10:55:19,597 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 10:55:19,598 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 10:55:19,604 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:55:19" (1/1) ... [2021-06-06 10:55:19,604 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:55:19" (1/1) ... [2021-06-06 10:55:19,605 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:55:19" (1/1) ... [2021-06-06 10:55:19,605 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:55:19" (1/1) ... [2021-06-06 10:55:19,607 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:55:19" (1/1) ... [2021-06-06 10:55:19,610 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:55:19" (1/1) ... [2021-06-06 10:55:19,610 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:55:19" (1/1) ... [2021-06-06 10:55:19,611 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 10:55:19,612 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 10:55:19,612 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 10:55:19,612 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 10:55:19,613 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:55:19" (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 [2021-06-06 10:55:19,681 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-06 10:55:19,681 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-06 10:55:19,681 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-06 10:55:19,681 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-06 10:55:19,681 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-06 10:55:19,682 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-06 10:55:19,682 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-06 10:55:19,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 10:55:19,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 10:55:19,682 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-06 10:55:19,682 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-06 10:55:19,682 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-06 10:55:19,683 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 10:55:19,935 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 10:55:19,935 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-06 10:55:19,937 INFO L202 PluginConnector]: Adding new model simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 10:55:19 BoogieIcfgContainer [2021-06-06 10:55:19,937 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 10:55:19,939 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 10:55:19,939 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 10:55:19,941 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 10:55:19,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:55:19" (1/2) ... [2021-06-06 10:55:19,942 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42efa36e and model type simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 10:55:19, skipping insertion in model container [2021-06-06 10:55:19,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 10:55:19" (2/2) ... [2021-06-06 10:55:19,943 INFO L111 eAbstractionObserver]: Analyzing ICFG simple-array-sum.wvr.bpl [2021-06-06 10:55:19,948 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 10:55:19,948 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 10:55:19,964 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 10:55:19,965 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 10:55:20,015 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-06 10:55:20,047 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 [2021-06-06 10:55:20,109 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 10:55:20,109 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 10:55:20,109 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 10:55:20,109 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 10:55:20,109 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 10:55:20,109 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 10:55:20,109 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 10:55:20,110 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 10:55:20,228 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 10:55:20,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 10:55:20,234 INFO L82 PathProgramCache]: Analyzing trace with hash 1181085272, now seen corresponding path program 1 times [2021-06-06 10:55:20,243 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 10:55:20,243 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989181533] [2021-06-06 10:55:20,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 10:55:20,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 10:55:20,409 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 10:55:20,409 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 10:55:20,410 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989181533] [2021-06-06 10:55:20,410 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989181533] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 10:55:20,410 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 10:55:20,411 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-06 10:55:20,411 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650945949] [2021-06-06 10:55:20,414 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-06 10:55:20,415 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 10:55:20,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-06 10:55:20,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-06 10:55:20,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:55:20,432 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 10:55:20,433 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 10:55:20,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:55:20,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:55:20,511 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 10:55:20,511 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 10:55:20,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 10:55:20,512 INFO L82 PathProgramCache]: Analyzing trace with hash 1914667130, now seen corresponding path program 1 times [2021-06-06 10:55:20,512 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 10:55:20,512 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384930395] [2021-06-06 10:55:20,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 10:55:20,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 10:55:20,560 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 10:55:20,560 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 10:55:20,561 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384930395] [2021-06-06 10:55:20,561 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384930395] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:55:20,561 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [91048030] [2021-06-06 10:55:20,561 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 [2021-06-06 10:55:20,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 10:55:20,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 3 conjunts are in the unsatisfiable core [2021-06-06 10:55:20,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 10:55:20,723 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 10:55:20,724 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [91048030] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 10:55:20,724 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-06 10:55:20,725 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 3 [2021-06-06 10:55:20,727 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790902243] [2021-06-06 10:55:20,728 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 10:55:20,728 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 10:55:20,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 10:55:20,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-06-06 10:55:20,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:55:20,737 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 10:55:20,737 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 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) [2021-06-06 10:55:20,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:55:20,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:55:20,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:55:20,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:55:21,005 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 10:55:21,005 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 10:55:21,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 10:55:21,006 INFO L82 PathProgramCache]: Analyzing trace with hash 837554965, now seen corresponding path program 1 times [2021-06-06 10:55:21,006 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 10:55:21,006 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442070272] [2021-06-06 10:55:21,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 10:55:21,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 10:55:21,033 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-06 10:55:21,034 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 10:55:21,034 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442070272] [2021-06-06 10:55:21,034 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442070272] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 10:55:21,034 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 10:55:21,034 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-06 10:55:21,034 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375955383] [2021-06-06 10:55:21,035 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 10:55:21,035 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 10:55:21,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 10:55:21,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 10:55:21,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:55:21,036 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 10:55:21,036 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 10:55:21,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:55:21,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:55:21,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:55:21,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:55:21,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:55:21,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:55:21,076 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-06 10:55:21,076 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 10:55:21,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 10:55:21,077 INFO L82 PathProgramCache]: Analyzing trace with hash 864862616, now seen corresponding path program 2 times [2021-06-06 10:55:21,077 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 10:55:21,077 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282041352] [2021-06-06 10:55:21,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 10:55:21,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 10:55:21,140 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 10:55:21,140 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 10:55:21,140 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282041352] [2021-06-06 10:55:21,141 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282041352] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:55:21,141 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2054692925] [2021-06-06 10:55:21,141 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 [2021-06-06 10:55:21,196 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 10:55:21,196 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 10:55:21,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-06 10:55:21,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 10:55:21,377 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 10:55:21,378 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2054692925] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:55:21,378 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 10:55:21,378 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2021-06-06 10:55:21,378 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315760047] [2021-06-06 10:55:21,379 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-06 10:55:21,379 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 10:55:21,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-06 10:55:21,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-06-06 10:55:21,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:55:21,380 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 10:55:21,380 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 4.0) internal successors, (44), 10 states have internal predecessors, (44), 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) [2021-06-06 10:55:21,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:55:21,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:55:21,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:55:21,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:55:21,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:55:21,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:55:21,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:55:21,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:55:21,921 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 10:55:21,922 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 10:55:21,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 10:55:21,922 INFO L82 PathProgramCache]: Analyzing trace with hash 336475472, now seen corresponding path program 3 times [2021-06-06 10:55:21,923 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 10:55:21,923 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555578208] [2021-06-06 10:55:21,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 10:55:21,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 10:55:22,369 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 10:55:22,370 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 10:55:22,370 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555578208] [2021-06-06 10:55:22,370 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555578208] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:55:22,370 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [247470732] [2021-06-06 10:55:22,371 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 [2021-06-06 10:55:22,414 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-06 10:55:22,414 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 10:55:22,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 32 conjunts are in the unsatisfiable core [2021-06-06 10:55:22,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 10:55:22,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-06-06 10:55:22,688 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 10:55:22,708 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:55:22,717 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-06 10:55:22,717 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:65, output treesize:64 [2021-06-06 10:55:22,830 INFO L446 ElimStorePlain]: Different costs {1=[v_C_15], 3=[A]} [2021-06-06 10:55:22,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:22,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-06-06 10:55:22,839 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 10:55:22,866 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:55:22,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:22,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:22,877 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 10:55:22,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 33 [2021-06-06 10:55:22,885 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 10:55:22,900 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:55:22,909 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 10:55:22,910 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:72, output treesize:60 [2021-06-06 10:55:23,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2021-06-06 10:55:23,129 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 10:55:23,134 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:55:23,134 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 10:55:23,135 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:14 [2021-06-06 10:55:23,189 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 10:55:23,189 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [247470732] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:55:23,190 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 10:55:23,190 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 18 [2021-06-06 10:55:23,190 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279761268] [2021-06-06 10:55:23,190 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-06 10:55:23,190 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 10:55:23,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-06 10:55:23,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2021-06-06 10:55:23,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:55:23,193 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 10:55:23,193 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 2.8421052631578947) internal successors, (54), 18 states have internal predecessors, (54), 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) [2021-06-06 10:55:23,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:55:23,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:55:23,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:55:23,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:55:23,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:55:23,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:55:23,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:55:23,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:55:23,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:55:23,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:55:23,719 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 10:55:23,720 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 10:55:23,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 10:55:23,720 INFO L82 PathProgramCache]: Analyzing trace with hash 1555687790, now seen corresponding path program 4 times [2021-06-06 10:55:23,720 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 10:55:23,720 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698063060] [2021-06-06 10:55:23,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 10:55:23,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 10:55:23,794 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-06 10:55:23,794 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 10:55:23,794 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698063060] [2021-06-06 10:55:23,794 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698063060] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:55:23,794 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [263965335] [2021-06-06 10:55:23,795 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 [2021-06-06 10:55:23,826 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 10:55:23,826 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 10:55:23,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-06 10:55:23,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 10:55:23,925 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-06 10:55:23,926 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [263965335] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:55:23,926 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 10:55:23,926 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-06-06 10:55:23,926 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805660944] [2021-06-06 10:55:23,926 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-06 10:55:23,926 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 10:55:23,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-06 10:55:23,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-06-06 10:55:23,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:55:23,927 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 10:55:23,927 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 13 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) [2021-06-06 10:55:23,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:55:23,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:55:23,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:55:23,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:55:23,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:55:23,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:55:24,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:55:24,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:55:24,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:55:24,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:55:24,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:55:24,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 10:55:24,641 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-06-06 10:55:24,641 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 10:55:24,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 10:55:24,641 INFO L82 PathProgramCache]: Analyzing trace with hash -2016549220, now seen corresponding path program 5 times [2021-06-06 10:55:24,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 10:55:24,642 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689769690] [2021-06-06 10:55:24,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 10:55:24,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 10:55:24,726 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-06-06 10:55:24,727 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 10:55:24,727 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689769690] [2021-06-06 10:55:24,727 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689769690] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:55:24,727 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [472711696] [2021-06-06 10:55:24,727 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 [2021-06-06 10:55:24,772 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-06-06 10:55:24,772 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 10:55:24,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-06 10:55:24,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 10:55:24,939 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 9 proven. 19 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-06-06 10:55:24,939 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [472711696] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:55:24,939 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 10:55:24,940 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-06-06 10:55:24,940 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494685008] [2021-06-06 10:55:24,940 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-06 10:55:24,940 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 10:55:24,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-06 10:55:24,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2021-06-06 10:55:24,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:55:24,941 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 10:55:24,942 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 3.4444444444444446) internal successors, (62), 17 states have internal predecessors, (62), 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) [2021-06-06 10:55:24,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:55:24,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:55:24,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:55:24,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:55:24,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:55:24,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 10:55:24,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:55:25,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:55:25,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:55:25,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:55:25,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:55:25,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:55:25,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 10:55:25,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 10:55:25,652 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 10:55:25,653 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 10:55:25,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 10:55:25,653 INFO L82 PathProgramCache]: Analyzing trace with hash -1492932272, now seen corresponding path program 6 times [2021-06-06 10:55:25,653 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 10:55:25,654 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354106814] [2021-06-06 10:55:25,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 10:55:25,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 10:55:26,273 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 10:55:26,273 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 10:55:26,285 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354106814] [2021-06-06 10:55:26,285 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354106814] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:55:26,285 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2004222423] [2021-06-06 10:55:26,285 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 [2021-06-06 10:55:26,328 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-06-06 10:55:26,329 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 10:55:26,330 WARN L261 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 58 conjunts are in the unsatisfiable core [2021-06-06 10:55:26,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 10:55:26,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2021-06-06 10:55:26,484 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 10:55:26,497 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:55:26,500 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-06 10:55:26,500 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:62, output treesize:61 [2021-06-06 10:55:26,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 22 [2021-06-06 10:55:26,574 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 10:55:26,589 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:55:26,591 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-06 10:55:26,591 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:71, output treesize:70 [2021-06-06 10:55:26,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:26,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:26,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 38 [2021-06-06 10:55:26,667 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 10:55:26,684 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:55:26,687 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-06 10:55:26,687 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:84, output treesize:83 [2021-06-06 10:55:26,837 INFO L446 ElimStorePlain]: Different costs {0=[v_C_19], 4=[A]} [2021-06-06 10:55:26,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 46 [2021-06-06 10:55:26,844 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 10:55:26,869 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:55:26,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:26,874 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 10:55:26,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 49 [2021-06-06 10:55:26,877 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 10:55:26,892 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:55:26,895 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 10:55:26,895 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:92, output treesize:47 [2021-06-06 10:55:27,230 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 26 [2021-06-06 10:55:27,231 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 10:55:27,236 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:55:27,237 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 10:55:27,237 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:56, output treesize:17 [2021-06-06 10:55:27,367 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 10:55:27,367 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2004222423] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:55:27,367 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 10:55:27,367 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17] total 28 [2021-06-06 10:55:27,367 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117421739] [2021-06-06 10:55:27,368 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-06-06 10:55:27,368 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 10:55:27,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-06-06 10:55:27,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=754, Unknown=0, NotChecked=0, Total=812 [2021-06-06 10:55:27,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:55:27,369 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 10:55:27,369 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 2.689655172413793) internal successors, (78), 28 states have internal predecessors, (78), 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) [2021-06-06 10:55:27,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:55:27,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:55:27,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:55:27,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:55:27,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:55:27,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 10:55:27,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 10:55:27,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:55:27,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:55:27,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:55:27,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:55:27,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:55:27,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:55:27,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 10:55:27,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 10:55:27,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 10:55:28,220 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 10:55:28,221 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 10:55:28,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 10:55:28,221 INFO L82 PathProgramCache]: Analyzing trace with hash -1227173650, now seen corresponding path program 7 times [2021-06-06 10:55:28,222 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 10:55:28,222 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985501966] [2021-06-06 10:55:28,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 10:55:28,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 10:55:28,322 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 9 proven. 32 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-06-06 10:55:28,322 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 10:55:28,322 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985501966] [2021-06-06 10:55:28,322 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985501966] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:55:28,322 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1133011181] [2021-06-06 10:55:28,322 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 10:55:28,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 10:55:28,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-06 10:55:28,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 10:55:28,455 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 16 proven. 25 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-06-06 10:55:28,455 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1133011181] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:55:28,458 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 10:55:28,458 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 12 [2021-06-06 10:55:28,459 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178521763] [2021-06-06 10:55:28,460 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-06 10:55:28,460 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 10:55:28,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-06 10:55:28,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2021-06-06 10:55:28,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:55:28,461 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 10:55:28,461 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 3.230769230769231) internal successors, (42), 12 states have internal predecessors, (42), 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) [2021-06-06 10:55:28,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:55:28,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:55:28,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:55:28,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:55:28,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:55:28,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 10:55:28,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 10:55:28,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 10:55:28,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:55:28,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:55:28,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:55:28,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:55:28,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:55:28,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:55:28,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 10:55:28,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 10:55:28,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 10:55:28,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 10:55:28,961 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-06-06 10:55:28,961 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 10:55:28,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 10:55:28,962 INFO L82 PathProgramCache]: Analyzing trace with hash -1412019108, now seen corresponding path program 8 times [2021-06-06 10:55:28,962 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 10:55:28,962 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483250166] [2021-06-06 10:55:28,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 10:55:28,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 10:55:29,073 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 36 proven. 25 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-06-06 10:55:29,073 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 10:55:29,073 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483250166] [2021-06-06 10:55:29,073 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483250166] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:55:29,073 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [582520507] [2021-06-06 10:55:29,073 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 10:55:29,118 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 10:55:29,118 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 10:55:29,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-06 10:55:29,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 10:55:29,232 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 36 proven. 25 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-06-06 10:55:29,232 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [582520507] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:55:29,232 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 10:55:29,232 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 14 [2021-06-06 10:55:29,233 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2268507] [2021-06-06 10:55:29,233 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-06 10:55:29,233 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 10:55:29,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-06 10:55:29,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2021-06-06 10:55:29,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:55:29,236 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 10:55:29,237 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 3.066666666666667) internal successors, (46), 14 states have internal predecessors, (46), 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) [2021-06-06 10:55:29,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:55:29,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:55:29,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:55:29,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:55:29,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:55:29,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 10:55:29,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 10:55:29,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 10:55:29,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 10:55:29,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:55:29,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:55:29,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:55:29,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:55:29,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:55:29,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:55:29,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 10:55:29,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 10:55:29,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 10:55:29,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 10:55:29,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:55:29,624 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 10:55:29,625 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 10:55:29,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 10:55:29,625 INFO L82 PathProgramCache]: Analyzing trace with hash 1936643710, now seen corresponding path program 9 times [2021-06-06 10:55:29,625 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 10:55:29,625 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743158226] [2021-06-06 10:55:29,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 10:55:29,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 10:55:29,758 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 16 proven. 66 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-06-06 10:55:29,759 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 10:55:29,759 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743158226] [2021-06-06 10:55:29,759 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743158226] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:55:29,759 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1872797718] [2021-06-06 10:55:29,759 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 10:55:29,815 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-06-06 10:55:29,816 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 10:55:29,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 14 conjunts are in the unsatisfiable core [2021-06-06 10:55:29,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 10:55:29,981 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 25 proven. 46 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-06-06 10:55:29,981 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1872797718] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:55:29,981 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 10:55:29,981 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 19 [2021-06-06 10:55:29,981 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180685906] [2021-06-06 10:55:29,982 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-06 10:55:29,982 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 10:55:29,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-06 10:55:29,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=303, Unknown=0, NotChecked=0, Total=380 [2021-06-06 10:55:29,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:55:29,982 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 10:55:29,983 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 3.25) internal successors, (65), 19 states have internal predecessors, (65), 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) [2021-06-06 10:55:29,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:55:29,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:55:29,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:55:29,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:55:29,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:55:29,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 10:55:29,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 10:55:29,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 10:55:29,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 10:55:29,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:55:29,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:55:31,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:55:31,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:55:31,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:55:31,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:55:31,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:55:31,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 10:55:31,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 10:55:31,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 10:55:31,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 10:55:31,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:55:31,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-06-06 10:55:31,928 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 10:55:31,929 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 10:55:31,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 10:55:31,929 INFO L82 PathProgramCache]: Analyzing trace with hash -330482882, now seen corresponding path program 10 times [2021-06-06 10:55:31,929 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 10:55:31,930 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909260127] [2021-06-06 10:55:31,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 10:55:31,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 10:55:32,104 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 84 proven. 36 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-06-06 10:55:32,104 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 10:55:32,104 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909260127] [2021-06-06 10:55:32,104 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909260127] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:55:32,104 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1841771293] [2021-06-06 10:55:32,104 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 10:55:32,154 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 10:55:32,154 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 10:55:32,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 14 conjunts are in the unsatisfiable core [2021-06-06 10:55:32,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 10:55:32,439 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 79 proven. 25 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-06-06 10:55:32,439 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1841771293] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:55:32,439 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 10:55:32,439 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12] total 27 [2021-06-06 10:55:32,439 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5774692] [2021-06-06 10:55:32,440 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-06 10:55:32,440 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 10:55:32,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-06 10:55:32,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=605, Unknown=0, NotChecked=0, Total=756 [2021-06-06 10:55:32,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:55:32,441 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 10:55:32,441 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 3.2142857142857144) internal successors, (90), 27 states have internal predecessors, (90), 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) [2021-06-06 10:55:32,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:55:32,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:55:32,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:55:32,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:55:32,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:55:32,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 10:55:32,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 10:55:32,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 10:55:32,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 10:55:32,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:55:32,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-06-06 10:55:32,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:55:33,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:55:33,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:55:33,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:55:33,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:55:33,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:55:33,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 10:55:33,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 10:55:33,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 10:55:33,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 10:55:33,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:55:33,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-06-06 10:55:33,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 10:55:33,681 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-06-06 10:55:33,681 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 10:55:33,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 10:55:33,682 INFO L82 PathProgramCache]: Analyzing trace with hash -363059074, now seen corresponding path program 11 times [2021-06-06 10:55:33,682 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 10:55:33,682 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523026773] [2021-06-06 10:55:33,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 10:55:33,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 10:55:35,204 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 12 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 10:55:35,204 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 10:55:35,204 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523026773] [2021-06-06 10:55:35,204 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523026773] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:55:35,205 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [318779341] [2021-06-06 10:55:35,205 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 10:55:35,258 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-06-06 10:55:35,258 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 10:55:35,259 WARN L261 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 88 conjunts are in the unsatisfiable core [2021-06-06 10:55:35,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 10:55:35,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2021-06-06 10:55:35,671 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 10:55:35,682 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:55:35,683 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 10:55:35,683 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:52, output treesize:51 [2021-06-06 10:55:35,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:35,737 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-06-06 10:55:35,739 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 10:55:35,754 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:55:35,755 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 10:55:35,755 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2021-06-06 10:55:35,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:35,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:35,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:35,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2021-06-06 10:55:35,822 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 10:55:35,837 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:55:35,838 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 10:55:35,838 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:78, output treesize:77 [2021-06-06 10:55:35,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:35,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:35,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:35,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:35,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:35,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:35,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 58 [2021-06-06 10:55:35,910 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 10:55:35,928 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:55:35,928 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 10:55:35,929 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:91, output treesize:90 [2021-06-06 10:55:36,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:36,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:36,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:36,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:36,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:36,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:36,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:36,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:36,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:36,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:36,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 74 [2021-06-06 10:55:36,015 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 10:55:36,043 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:55:36,044 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 10:55:36,044 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:104, output treesize:103 [2021-06-06 10:55:36,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:36,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:36,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:36,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:36,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:36,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:36,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:36,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:36,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:36,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:36,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:36,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:36,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:36,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:36,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:36,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 90 [2021-06-06 10:55:36,187 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 10:55:36,213 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:55:36,214 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 10:55:36,215 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:120, output treesize:119 [2021-06-06 10:55:37,080 INFO L446 ElimStorePlain]: Different costs {21=[v_C_26], 70=[A]} [2021-06-06 10:55:37,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:37,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:37,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:37,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:37,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:37,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:37,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:37,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:37,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:37,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:37,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:37,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:37,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:37,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:37,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:37,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:37,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:37,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:37,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:37,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:37,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:37,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 115 [2021-06-06 10:55:37,116 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 10:55:37,139 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:55:37,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:37,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:37,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:37,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:37,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:37,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:37,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:37,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:37,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:37,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:37,151 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 10:55:37,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:37,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:37,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:37,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:37,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:37,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:37,157 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 10:55:37,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:37,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:37,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:37,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:37,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:37,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:37,161 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 10:55:37,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:37,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:37,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:37,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:37,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:37,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:37,165 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 10:55:37,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:37,166 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 10:55:37,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:55:37,167 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 10:55:37,169 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 21 disjoint index pairs (out of 91 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 167 treesize of output 111 [2021-06-06 10:55:37,171 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 10:55:37,178 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:55:37,179 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 10:55:37,179 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:155, output treesize:52 [2021-06-06 10:55:37,253 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 51 treesize of output 23 [2021-06-06 10:55:37,254 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 10:55:37,259 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:55:37,260 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 10:55:37,260 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:57, output treesize:12 [2021-06-06 10:55:37,322 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 10:55:37,322 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [318779341] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:55:37,322 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 10:55:37,322 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 27] total 51 [2021-06-06 10:55:37,322 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209635639] [2021-06-06 10:55:37,323 INFO L462 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-06-06 10:55:37,323 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 10:55:37,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-06-06 10:55:37,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=356, Invalid=2296, Unknown=0, NotChecked=0, Total=2652 [2021-06-06 10:55:37,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:55:37,324 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 10:55:37,325 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 52 states, 52 states have (on average 2.4038461538461537) internal successors, (125), 51 states have internal predecessors, (125), 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) [2021-06-06 10:55:37,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:55:37,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:55:37,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:55:37,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:55:37,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:55:37,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 10:55:37,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 10:55:37,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 10:55:37,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 10:55:37,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:55:37,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-06-06 10:55:37,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 10:55:37,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:55:42,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:55:42,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:55:42,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:55:42,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:55:42,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:55:42,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 10:55:42,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 10:55:42,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 10:55:42,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 10:55:42,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:55:42,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-06-06 10:55:42,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 10:55:42,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 10:55:42,550 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-06-06 10:55:42,550 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 10:55:42,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 10:55:42,551 INFO L82 PathProgramCache]: Analyzing trace with hash 112952976, now seen corresponding path program 12 times [2021-06-06 10:55:42,551 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 10:55:42,551 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335484263] [2021-06-06 10:55:42,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 10:55:42,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 10:55:42,706 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 36 proven. 127 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2021-06-06 10:55:42,707 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 10:55:42,707 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335484263] [2021-06-06 10:55:42,707 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335484263] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:55:42,707 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1223531672] [2021-06-06 10:55:42,707 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 10:55:42,771 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 16 check-sat command(s) [2021-06-06 10:55:42,771 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 10:55:42,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-06 10:55:42,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 10:55:42,928 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 49 proven. 114 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2021-06-06 10:55:42,929 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1223531672] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:55:42,929 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 10:55:42,929 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 18 [2021-06-06 10:55:42,929 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256825898] [2021-06-06 10:55:42,929 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-06 10:55:42,929 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 10:55:42,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-06 10:55:42,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2021-06-06 10:55:42,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:55:42,930 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 10:55:42,930 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 3.210526315789474) internal successors, (61), 18 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 10:55:42,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:55:42,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:55:42,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:55:42,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:55:42,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:55:42,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 10:55:42,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 10:55:42,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 10:55:42,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 10:55:42,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:55:42,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-06-06 10:55:42,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 10:55:42,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 10:55:42,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:55:44,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:55:44,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:55:44,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:55:44,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:55:44,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:55:44,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 10:55:44,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 10:55:44,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 10:55:44,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 10:55:44,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:55:44,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-06-06 10:55:44,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 10:55:44,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 10:55:44,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 10:55:44,414 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-06-06 10:55:44,414 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 10:55:44,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 10:55:44,414 INFO L82 PathProgramCache]: Analyzing trace with hash -99981452, now seen corresponding path program 13 times [2021-06-06 10:55:44,414 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 10:55:44,414 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113222538] [2021-06-06 10:55:44,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 10:55:44,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 10:55:44,695 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 225 proven. 64 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2021-06-06 10:55:44,695 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 10:55:44,696 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113222538] [2021-06-06 10:55:44,696 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113222538] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:55:44,696 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [782916106] [2021-06-06 10:55:44,696 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 10:55:44,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 10:55:44,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-06 10:55:44,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 10:55:44,919 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 183 proven. 64 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2021-06-06 10:55:44,920 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [782916106] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:55:44,920 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 10:55:44,920 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 19] total 26 [2021-06-06 10:55:44,921 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217273983] [2021-06-06 10:55:44,922 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-06-06 10:55:44,922 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 10:55:44,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-06-06 10:55:44,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=201, Invalid=501, Unknown=0, NotChecked=0, Total=702 [2021-06-06 10:55:44,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:55:44,923 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 10:55:44,925 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 2.6666666666666665) internal successors, (72), 26 states have internal predecessors, (72), 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) [2021-06-06 10:55:44,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:55:44,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:55:44,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:55:44,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:55:44,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:55:44,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 10:55:44,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 10:55:44,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 10:55:44,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 10:55:44,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:55:44,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-06-06 10:55:44,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 10:55:44,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 10:55:44,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 10:55:44,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:55:46,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:55:46,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:55:46,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:55:46,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:55:46,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:55:46,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 10:55:46,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 10:55:46,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 10:55:46,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 10:55:46,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:55:46,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-06-06 10:55:46,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 10:55:46,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 10:55:46,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 10:55:46,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 10:55:46,213 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 10:55:46,213 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 10:55:46,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 10:55:46,213 INFO L82 PathProgramCache]: Analyzing trace with hash -1016911470, now seen corresponding path program 14 times [2021-06-06 10:55:46,213 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 10:55:46,213 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490341230] [2021-06-06 10:55:46,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 10:55:46,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 10:55:46,386 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 49 proven. 153 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2021-06-06 10:55:46,386 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 10:55:46,386 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490341230] [2021-06-06 10:55:46,386 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490341230] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:55:46,386 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1663874389] [2021-06-06 10:55:46,386 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 10:55:46,433 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 10:55:46,434 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 10:55:46,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 21 conjunts are in the unsatisfiable core [2021-06-06 10:55:46,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 10:55:46,919 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 195 proven. 81 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2021-06-06 10:55:46,919 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1663874389] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:55:46,919 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 10:55:46,919 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 21] total 39 [2021-06-06 10:55:46,919 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368904219] [2021-06-06 10:55:46,919 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-06-06 10:55:46,919 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 10:55:46,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-06-06 10:55:46,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=231, Invalid=1329, Unknown=0, NotChecked=0, Total=1560 [2021-06-06 10:55:46,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:55:46,921 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 10:55:46,921 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 2.825) internal successors, (113), 39 states have internal predecessors, (113), 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) [2021-06-06 10:55:46,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:55:46,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:55:46,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:55:46,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:55:46,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:55:46,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 10:55:46,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 10:55:46,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 10:55:46,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 10:55:46,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:55:46,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-06-06 10:55:46,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 10:55:46,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 10:55:46,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 10:55:46,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 10:55:46,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:55:48,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:55:48,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:55:48,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:55:48,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:55:48,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:55:48,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 10:55:48,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 10:55:48,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 10:55:48,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 10:55:48,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:55:48,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-06-06 10:55:48,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 10:55:48,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 10:55:48,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 10:55:48,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 10:55:48,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 10:55:49,169 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-06-06 10:55:49,170 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 10:55:49,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 10:55:49,170 INFO L82 PathProgramCache]: Analyzing trace with hash 2132717012, now seen corresponding path program 15 times [2021-06-06 10:55:49,170 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 10:55:49,170 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003995115] [2021-06-06 10:55:49,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 10:55:49,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 10:55:49,395 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 64 proven. 182 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2021-06-06 10:55:49,395 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 10:55:49,395 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003995115] [2021-06-06 10:55:49,395 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003995115] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:55:49,395 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1790025361] [2021-06-06 10:55:49,395 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 10:55:49,467 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2021-06-06 10:55:49,468 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 10:55:49,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 21 conjunts are in the unsatisfiable core [2021-06-06 10:55:49,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 10:55:49,641 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 81 proven. 165 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2021-06-06 10:55:49,641 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1790025361] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:55:49,641 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 10:55:49,641 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 22 [2021-06-06 10:55:49,641 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303773435] [2021-06-06 10:55:49,642 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-06 10:55:49,642 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 10:55:49,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-06 10:55:49,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=372, Unknown=0, NotChecked=0, Total=506 [2021-06-06 10:55:49,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:55:49,643 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 10:55:49,643 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 3.0869565217391304) internal successors, (71), 22 states have internal predecessors, (71), 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) [2021-06-06 10:55:49,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:55:49,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:55:49,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:55:49,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:55:49,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:55:49,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 10:55:49,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 10:55:49,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 10:55:49,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 10:55:49,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:55:49,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-06-06 10:55:49,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 10:55:49,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 10:55:49,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 10:55:49,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 10:55:49,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-06 10:55:49,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:55:51,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:55:51,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:55:51,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:55:51,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:55:51,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:55:51,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 10:55:51,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 10:55:51,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 10:55:51,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 10:55:51,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:55:51,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-06-06 10:55:51,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 10:55:51,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 10:55:51,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 10:55:51,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 10:55:51,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 10:55:51,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 10:55:51,655 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-06-06 10:55:51,655 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 10:55:51,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 10:55:51,656 INFO L82 PathProgramCache]: Analyzing trace with hash -1801401936, now seen corresponding path program 16 times [2021-06-06 10:55:51,656 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 10:55:51,656 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326519455] [2021-06-06 10:55:51,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 10:55:51,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 10:55:51,985 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 225 proven. 100 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-06-06 10:55:51,985 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 10:55:51,985 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326519455] [2021-06-06 10:55:51,985 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326519455] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:55:51,986 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1236831114] [2021-06-06 10:55:51,986 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 10:55:52,048 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 10:55:52,048 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 10:55:52,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 23 conjunts are in the unsatisfiable core [2021-06-06 10:55:52,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 10:55:52,213 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 205 proven. 100 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2021-06-06 10:55:52,213 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1236831114] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:55:52,213 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 10:55:52,213 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 23] total 28 [2021-06-06 10:55:52,213 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738876302] [2021-06-06 10:55:52,214 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-06-06 10:55:52,214 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 10:55:52,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-06-06 10:55:52,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=226, Invalid=586, Unknown=0, NotChecked=0, Total=812 [2021-06-06 10:55:52,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:55:52,214 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 10:55:52,215 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 2.6206896551724137) internal successors, (76), 28 states have internal predecessors, (76), 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) [2021-06-06 10:55:52,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:55:52,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:55:52,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:55:52,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:55:52,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:55:52,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 10:55:52,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 10:55:52,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 10:55:52,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 10:55:52,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:55:52,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-06-06 10:55:52,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 10:55:52,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 10:55:52,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 10:55:52,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 10:55:52,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-06 10:55:52,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 10:55:52,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:55:53,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:55:53,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:55:53,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:55:53,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:55:53,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:55:53,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 10:55:53,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 10:55:53,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 10:55:53,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 10:55:53,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:55:53,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-06-06 10:55:53,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 10:55:53,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 10:55:53,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 10:55:53,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 10:55:53,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 10:55:53,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 10:55:53,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 10:55:53,879 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-06-06 10:55:53,879 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 10:55:53,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 10:55:53,879 INFO L82 PathProgramCache]: Analyzing trace with hash 1379663438, now seen corresponding path program 17 times [2021-06-06 10:55:53,879 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 10:55:53,879 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567116696] [2021-06-06 10:55:53,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 10:55:53,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 10:55:54,161 INFO L134 CoverageAnalysis]: Checked inductivity of 491 backedges. 81 proven. 214 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2021-06-06 10:55:54,161 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 10:55:54,161 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567116696] [2021-06-06 10:55:54,161 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567116696] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:55:54,162 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1852304663] [2021-06-06 10:55:54,162 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 10:55:54,274 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2021-06-06 10:55:54,274 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 10:55:54,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 28 conjunts are in the unsatisfiable core [2021-06-06 10:55:54,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 10:55:55,079 INFO L134 CoverageAnalysis]: Checked inductivity of 491 backedges. 225 proven. 121 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-06-06 10:55:55,079 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1852304663] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:55:55,079 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 10:55:55,079 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 28] total 50 [2021-06-06 10:55:55,079 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212194947] [2021-06-06 10:55:55,080 INFO L462 AbstractCegarLoop]: Interpolant automaton has 51 states [2021-06-06 10:55:55,080 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 10:55:55,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2021-06-06 10:55:55,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=370, Invalid=2180, Unknown=0, NotChecked=0, Total=2550 [2021-06-06 10:55:55,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:55:55,081 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 10:55:55,081 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 51 states, 51 states have (on average 2.6666666666666665) internal successors, (136), 50 states have internal predecessors, (136), 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) [2021-06-06 10:55:55,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:55:55,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:55:55,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:55:55,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:55:55,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:55:55,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 10:55:55,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 10:55:55,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 10:55:55,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 10:55:55,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:55:55,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-06-06 10:55:55,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 10:55:55,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 10:55:55,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 10:55:55,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 10:55:55,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-06 10:55:55,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 10:55:55,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 10:55:55,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:55:57,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:55:57,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:55:57,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:55:57,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:55:57,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:55:57,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 10:55:57,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 10:55:57,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 10:55:57,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 10:55:57,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:55:57,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-06-06 10:55:57,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 10:55:57,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 10:55:57,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 10:55:57,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 10:55:57,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 10:55:57,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 10:55:57,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 10:55:57,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 10:55:57,897 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 10:55:57,897 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 10:55:57,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 10:55:57,897 INFO L82 PathProgramCache]: Analyzing trace with hash -1982075624, now seen corresponding path program 18 times [2021-06-06 10:55:57,897 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 10:55:57,897 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765391451] [2021-06-06 10:55:57,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 10:55:57,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 10:55:58,208 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 100 proven. 249 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2021-06-06 10:55:58,208 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 10:55:58,208 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765391451] [2021-06-06 10:55:58,208 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765391451] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:55:58,208 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1118155902] [2021-06-06 10:55:58,208 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 10:55:58,313 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 16 check-sat command(s) [2021-06-06 10:55:58,314 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 10:55:58,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 29 conjunts are in the unsatisfiable core [2021-06-06 10:55:58,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 10:55:58,796 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 196 proven. 205 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-06-06 10:55:58,797 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1118155902] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:55:58,797 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 10:55:58,797 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 28] total 43 [2021-06-06 10:55:58,797 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593351960] [2021-06-06 10:55:58,797 INFO L462 AbstractCegarLoop]: Interpolant automaton has 44 states [2021-06-06 10:55:58,797 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 10:55:58,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2021-06-06 10:55:58,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=350, Invalid=1542, Unknown=0, NotChecked=0, Total=1892 [2021-06-06 10:55:58,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:55:58,798 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 10:55:58,798 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 44 states, 44 states have (on average 2.8863636363636362) internal successors, (127), 43 states have internal predecessors, (127), 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) [2021-06-06 10:55:58,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:55:58,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:55:58,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:55:58,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:55:58,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:55:58,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 10:55:58,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 10:55:58,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 10:55:58,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 10:55:58,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:55:58,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-06-06 10:55:58,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 10:55:58,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 10:55:58,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 10:55:58,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 10:55:58,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-06 10:55:58,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 10:55:58,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 10:55:58,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-06 10:55:58,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:55:59,178 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2021-06-06 10:56:16,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:56:16,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:56:16,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:56:16,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:56:16,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:56:16,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 10:56:16,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 10:56:16,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 10:56:16,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 10:56:16,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:56:16,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-06-06 10:56:16,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 10:56:16,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 10:56:16,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 10:56:16,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 10:56:16,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 10:56:16,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 10:56:16,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 10:56:16,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 10:56:16,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 303 states. [2021-06-06 10:56:16,305 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 10:56:16,305 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 10:56:16,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 10:56:16,306 INFO L82 PathProgramCache]: Analyzing trace with hash 352469902, now seen corresponding path program 19 times [2021-06-06 10:56:16,306 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 10:56:16,306 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369818255] [2021-06-06 10:56:16,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 10:56:16,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 10:56:17,087 INFO L134 CoverageAnalysis]: Checked inductivity of 699 backedges. 526 proven. 173 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 10:56:17,088 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 10:56:17,088 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369818255] [2021-06-06 10:56:17,088 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369818255] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:56:17,088 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [604651289] [2021-06-06 10:56:17,088 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 10:56:17,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 10:56:17,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-06 10:56:17,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 10:56:18,047 INFO L134 CoverageAnalysis]: Checked inductivity of 699 backedges. 219 proven. 144 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2021-06-06 10:56:18,048 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [604651289] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:56:18,048 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 10:56:18,048 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 27] total 70 [2021-06-06 10:56:18,048 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510729233] [2021-06-06 10:56:18,048 INFO L462 AbstractCegarLoop]: Interpolant automaton has 71 states [2021-06-06 10:56:18,048 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 10:56:18,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2021-06-06 10:56:18,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=596, Invalid=4374, Unknown=0, NotChecked=0, Total=4970 [2021-06-06 10:56:18,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:56:18,049 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 10:56:18,050 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 71 states, 71 states have (on average 2.4788732394366195) internal successors, (176), 70 states have internal predecessors, (176), 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) [2021-06-06 10:56:18,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:56:18,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:56:18,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:56:18,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:56:18,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:56:18,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 10:56:18,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 10:56:18,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 10:56:18,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 10:56:18,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:56:18,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-06-06 10:56:18,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 10:56:18,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 10:56:18,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 10:56:18,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 10:56:18,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-06 10:56:18,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 10:56:18,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 10:56:18,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-06 10:56:18,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 303 states. [2021-06-06 10:56:18,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:56:25,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:56:25,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:56:25,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:56:25,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:56:25,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:56:25,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 10:56:25,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 10:56:25,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 10:56:25,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 10:56:25,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:56:25,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-06-06 10:56:25,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 10:56:25,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 10:56:25,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 10:56:25,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 10:56:25,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 10:56:25,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 10:56:25,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 10:56:25,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 10:56:25,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 303 states. [2021-06-06 10:56:25,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 10:56:25,868 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-06-06 10:56:25,868 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 10:56:25,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 10:56:25,868 INFO L82 PathProgramCache]: Analyzing trace with hash -655040976, now seen corresponding path program 20 times [2021-06-06 10:56:25,868 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 10:56:25,868 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146160968] [2021-06-06 10:56:25,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 10:56:25,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 10:56:26,605 INFO L134 CoverageAnalysis]: Checked inductivity of 724 backedges. 526 proven. 198 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 10:56:26,605 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 10:56:26,605 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146160968] [2021-06-06 10:56:26,605 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146160968] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:56:26,605 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1581861988] [2021-06-06 10:56:26,605 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 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 10:56:26,657 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 10:56:26,657 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 10:56:26,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 29 conjunts are in the unsatisfiable core [2021-06-06 10:56:26,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 10:56:27,635 INFO L134 CoverageAnalysis]: Checked inductivity of 724 backedges. 223 proven. 169 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2021-06-06 10:56:27,635 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1581861988] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:56:27,636 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 10:56:27,636 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 29] total 73 [2021-06-06 10:56:27,636 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660397056] [2021-06-06 10:56:27,636 INFO L462 AbstractCegarLoop]: Interpolant automaton has 74 states [2021-06-06 10:56:27,636 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 10:56:27,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2021-06-06 10:56:27,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=642, Invalid=4760, Unknown=0, NotChecked=0, Total=5402 [2021-06-06 10:56:27,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:56:27,638 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 10:56:27,638 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 74 states, 74 states have (on average 2.4594594594594597) internal successors, (182), 73 states have internal predecessors, (182), 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) [2021-06-06 10:56:27,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:56:27,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:56:27,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:56:27,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:56:27,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:56:27,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 10:56:27,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 10:56:27,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 10:56:27,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 10:56:27,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:56:27,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-06-06 10:56:27,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 10:56:27,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 10:56:27,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 10:56:27,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 10:56:27,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-06 10:56:27,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 10:56:27,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 10:56:27,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-06 10:56:27,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 303 states. [2021-06-06 10:56:27,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 10:56:27,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:56:35,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:56:35,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:56:35,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:56:35,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:56:35,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:56:35,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 10:56:35,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 10:56:35,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 10:56:35,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 10:56:35,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:56:35,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-06-06 10:56:35,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 10:56:35,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 10:56:35,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 10:56:35,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 10:56:35,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 10:56:35,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 10:56:35,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 10:56:35,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 10:56:35,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 303 states. [2021-06-06 10:56:35,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 10:56:35,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 10:56:35,694 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-06-06 10:56:35,694 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 10:56:35,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 10:56:35,695 INFO L82 PathProgramCache]: Analyzing trace with hash 1789614162, now seen corresponding path program 21 times [2021-06-06 10:56:35,695 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 10:56:35,695 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585533075] [2021-06-06 10:56:35,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 10:56:35,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 10:56:36,059 INFO L134 CoverageAnalysis]: Checked inductivity of 751 backedges. 225 proven. 196 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2021-06-06 10:56:36,059 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 10:56:36,059 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585533075] [2021-06-06 10:56:36,059 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585533075] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:56:36,059 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1747701027] [2021-06-06 10:56:36,059 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 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 10:56:36,147 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 16 check-sat command(s) [2021-06-06 10:56:36,147 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 10:56:36,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-06 10:56:36,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 10:56:36,312 INFO L134 CoverageAnalysis]: Checked inductivity of 751 backedges. 225 proven. 196 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2021-06-06 10:56:36,313 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1747701027] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:56:36,313 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 10:56:36,313 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 32 [2021-06-06 10:56:36,313 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442280604] [2021-06-06 10:56:36,313 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-06-06 10:56:36,313 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 10:56:36,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-06-06 10:56:36,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=288, Invalid=768, Unknown=0, NotChecked=0, Total=1056 [2021-06-06 10:56:36,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:56:36,314 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 10:56:36,314 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 2.484848484848485) internal successors, (82), 32 states have internal predecessors, (82), 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) [2021-06-06 10:56:36,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:56:36,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:56:36,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:56:36,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:56:36,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:56:36,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 10:56:36,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 10:56:36,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 10:56:36,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 10:56:36,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:56:36,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-06-06 10:56:36,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 10:56:36,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 10:56:36,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 10:56:36,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 10:56:36,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-06 10:56:36,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 10:56:36,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 10:56:36,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-06 10:56:36,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 303 states. [2021-06-06 10:56:36,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 10:56:36,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 10:56:36,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:56:44,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:56:44,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:56:44,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:56:44,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:56:44,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:56:44,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 10:56:44,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 10:56:44,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 10:56:44,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 10:56:44,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:56:44,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-06-06 10:56:44,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 10:56:44,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 10:56:44,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 10:56:44,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 10:56:44,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 10:56:44,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 10:56:44,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 10:56:44,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 10:56:44,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 303 states. [2021-06-06 10:56:44,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 10:56:44,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 10:56:44,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 10:56:44,357 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 10:56:44,357 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 10:56:44,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 10:56:44,357 INFO L82 PathProgramCache]: Analyzing trace with hash 1756090868, now seen corresponding path program 22 times [2021-06-06 10:56:44,358 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 10:56:44,358 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511876006] [2021-06-06 10:56:44,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 10:56:44,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 10:56:48,646 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 100 proven. 680 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 10:56:48,646 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 10:56:48,646 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511876006] [2021-06-06 10:56:48,646 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511876006] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:56:48,646 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1294327388] [2021-06-06 10:56:48,646 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 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 10:56:48,714 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 10:56:48,714 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 10:56:48,717 WARN L261 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 177 conjunts are in the unsatisfiable core [2021-06-06 10:56:48,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 10:56:50,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2021-06-06 10:56:50,350 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 10:56:50,364 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:56:50,364 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 10:56:50,364 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:76, output treesize:75 [2021-06-06 10:56:50,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:50,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-06-06 10:56:50,467 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 10:56:50,484 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:56:50,484 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 10:56:50,485 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:89, output treesize:88 [2021-06-06 10:56:50,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:50,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:50,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:50,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2021-06-06 10:56:50,599 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 10:56:50,619 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:56:50,620 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 10:56:50,620 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:102, output treesize:101 [2021-06-06 10:56:50,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:50,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:50,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:50,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:50,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:50,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:50,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 58 [2021-06-06 10:56:50,743 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 10:56:50,766 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:56:50,766 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 10:56:50,766 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:115, output treesize:114 [2021-06-06 10:56:50,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:50,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:50,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:50,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:50,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:50,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:50,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:50,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:50,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:50,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:50,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 74 [2021-06-06 10:56:50,902 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 10:56:50,927 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:56:50,928 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 10:56:50,928 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:128, output treesize:127 [2021-06-06 10:56:51,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 90 [2021-06-06 10:56:51,077 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 10:56:51,106 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:56:51,107 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 10:56:51,107 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:141, output treesize:140 [2021-06-06 10:56:51,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 106 [2021-06-06 10:56:51,276 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 10:56:51,314 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:56:51,315 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 10:56:51,315 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:154, output treesize:153 [2021-06-06 10:56:51,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 122 [2021-06-06 10:56:51,493 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 10:56:51,528 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:56:51,529 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 10:56:51,529 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:167, output treesize:166 [2021-06-06 10:56:51,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 138 [2021-06-06 10:56:51,723 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 10:56:51,762 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:56:51,763 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 10:56:51,763 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:180, output treesize:179 [2021-06-06 10:56:51,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:51,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 154 [2021-06-06 10:56:51,974 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 10:56:52,017 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:56:52,018 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 10:56:52,018 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:193, output treesize:192 [2021-06-06 10:56:52,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 170 [2021-06-06 10:56:52,251 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 10:56:52,306 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:56:52,307 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 10:56:52,307 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:206, output treesize:205 [2021-06-06 10:56:52,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 154 treesize of output 186 [2021-06-06 10:56:52,577 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 10:56:52,646 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:56:52,648 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 10:56:52,648 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:219, output treesize:218 [2021-06-06 10:56:52,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:52,934 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 167 treesize of output 202 [2021-06-06 10:56:52,937 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 10:56:52,992 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:56:52,994 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 10:56:52,994 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:232, output treesize:231 [2021-06-06 10:56:53,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 180 treesize of output 218 [2021-06-06 10:56:53,289 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 10:56:53,350 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:56:53,351 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 10:56:53,352 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:245, output treesize:244 [2021-06-06 10:56:53,572 INFO L446 ElimStorePlain]: Different costs {105=[v_C_41], 330=[A]} [2021-06-06 10:56:53,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,680 INFO L244 Elim1Store]: Index analysis took 103 ms [2021-06-06 10:56:53,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 193 treesize of output 234 [2021-06-06 10:56:53,685 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 10:56:53,747 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:56:53,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,754 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 10:56:53,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,765 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 10:56:53,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,771 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 10:56:53,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,781 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 10:56:53,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,798 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 10:56:53,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,801 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 10:56:53,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,818 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 10:56:53,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,824 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 10:56:53,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,827 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 10:56:53,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,831 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 10:56:53,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,835 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 10:56:53,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,838 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 10:56:53,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,841 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 10:56:53,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 10:56:53,843 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 10:56:53,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 30 select indices, 30 select index equivalence classes, 105 disjoint index pairs (out of 435 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 240 treesize of output 152 [2021-06-06 10:56:53,848 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 10:56:53,857 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:56:53,857 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 10:56:53,858 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:253, output treesize:91 [2021-06-06 10:56:55,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 105 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 39 [2021-06-06 10:56:55,828 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 10:56:55,832 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 10:56:55,833 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 10:56:55,833 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:105, output treesize:12 [2021-06-06 10:56:55,973 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 10:56:55,973 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1294327388] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:56:55,974 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 10:56:55,974 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 49] total 97 [2021-06-06 10:56:55,974 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065482744] [2021-06-06 10:56:55,974 INFO L462 AbstractCegarLoop]: Interpolant automaton has 98 states [2021-06-06 10:56:55,974 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 10:56:55,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2021-06-06 10:56:55,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1114, Invalid=8392, Unknown=0, NotChecked=0, Total=9506 [2021-06-06 10:56:55,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:56:55,977 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 10:56:55,977 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 98 states, 98 states have (on average 2.4183673469387754) internal successors, (237), 97 states have internal predecessors, (237), 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) [2021-06-06 10:56:55,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:56:55,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:56:55,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:56:55,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:56:55,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:56:55,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 10:56:55,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 10:56:55,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 10:56:55,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 10:56:55,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:56:55,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-06-06 10:56:55,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 10:56:55,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 10:56:55,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 10:56:55,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 10:56:55,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-06 10:56:55,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 10:56:55,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 10:56:55,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-06 10:56:55,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 303 states. [2021-06-06 10:56:55,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 10:56:55,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 10:56:55,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 10:56:55,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:57:34,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:57:34,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:57:34,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:57:34,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:57:34,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:57:34,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 10:57:34,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 10:57:34,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 10:57:34,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 10:57:34,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:57:34,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-06-06 10:57:34,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 10:57:34,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 10:57:34,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 10:57:34,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 10:57:34,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 10:57:34,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 10:57:34,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 10:57:34,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 10:57:34,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 303 states. [2021-06-06 10:57:34,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 10:57:34,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 10:57:34,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 10:57:34,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-06-06 10:57:35,197 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-06-06 10:57:35,198 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 10:57:35,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 10:57:35,198 INFO L82 PathProgramCache]: Analyzing trace with hash -2063691810, now seen corresponding path program 23 times [2021-06-06 10:57:35,198 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 10:57:35,198 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757447967] [2021-06-06 10:57:35,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 10:57:35,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 10:57:36,158 INFO L134 CoverageAnalysis]: Checked inductivity of 1593 backedges. 961 proven. 256 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2021-06-06 10:57:36,158 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 10:57:36,158 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757447967] [2021-06-06 10:57:36,158 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757447967] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:57:36,158 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1684101116] [2021-06-06 10:57:36,158 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 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 10:57:36,397 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 32 check-sat command(s) [2021-06-06 10:57:36,397 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 10:57:36,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 49 conjunts are in the unsatisfiable core [2021-06-06 10:57:36,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 10:57:36,639 INFO L134 CoverageAnalysis]: Checked inductivity of 1593 backedges. 961 proven. 256 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2021-06-06 10:57:36,639 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1684101116] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:57:36,639 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 10:57:36,639 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 49] total 50 [2021-06-06 10:57:36,639 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241271797] [2021-06-06 10:57:36,639 INFO L462 AbstractCegarLoop]: Interpolant automaton has 51 states [2021-06-06 10:57:36,639 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 10:57:36,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2021-06-06 10:57:36,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=717, Invalid=1833, Unknown=0, NotChecked=0, Total=2550 [2021-06-06 10:57:36,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:57:36,640 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 10:57:36,640 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 51 states, 51 states have (on average 2.3137254901960786) internal successors, (118), 50 states have internal predecessors, (118), 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) [2021-06-06 10:57:36,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:57:36,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:57:36,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:57:36,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:57:36,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:57:36,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 10:57:36,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 10:57:36,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 10:57:36,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 10:57:36,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:57:36,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-06-06 10:57:36,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 10:57:36,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 10:57:36,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 10:57:36,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 10:57:36,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-06 10:57:36,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 10:57:36,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 10:57:36,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-06 10:57:36,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 303 states. [2021-06-06 10:57:36,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 10:57:36,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 10:57:36,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 10:57:36,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-06-06 10:57:36,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:57:59,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:57:59,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:57:59,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:57:59,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:57:59,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:57:59,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 10:57:59,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 10:57:59,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 10:57:59,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 10:57:59,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:57:59,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-06-06 10:57:59,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 10:57:59,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 10:57:59,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 10:57:59,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 10:57:59,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 10:57:59,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 10:57:59,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 10:57:59,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 10:57:59,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 303 states. [2021-06-06 10:57:59,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 10:57:59,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 10:57:59,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 10:57:59,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-06-06 10:57:59,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 10:57:59,797 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 10:57:59,797 INFO L430 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 10:57:59,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 10:57:59,798 INFO L82 PathProgramCache]: Analyzing trace with hash 248144892, now seen corresponding path program 24 times [2021-06-06 10:57:59,798 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 10:57:59,798 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375996296] [2021-06-06 10:57:59,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 10:57:59,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 10:58:00,243 INFO L134 CoverageAnalysis]: Checked inductivity of 1626 backedges. 225 proven. 501 refuted. 0 times theorem prover too weak. 900 trivial. 0 not checked. [2021-06-06 10:58:00,243 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 10:58:00,244 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375996296] [2021-06-06 10:58:00,244 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375996296] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:58:00,244 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [750124102] [2021-06-06 10:58:00,244 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 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 10:58:00,462 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 32 check-sat command(s) [2021-06-06 10:58:00,462 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 10:58:00,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 35 conjunts are in the unsatisfiable core [2021-06-06 10:58:00,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 10:58:00,722 INFO L134 CoverageAnalysis]: Checked inductivity of 1626 backedges. 256 proven. 470 refuted. 0 times theorem prover too weak. 900 trivial. 0 not checked. [2021-06-06 10:58:00,722 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [750124102] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:58:00,722 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 10:58:00,722 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35] total 36 [2021-06-06 10:58:00,724 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579511489] [2021-06-06 10:58:00,725 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-06 10:58:00,725 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 10:58:00,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-06 10:58:00,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=344, Invalid=988, Unknown=0, NotChecked=0, Total=1332 [2021-06-06 10:58:00,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:58:00,726 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 10:58:00,726 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 36 states have internal predecessors, (106), 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) [2021-06-06 10:58:00,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:58:00,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:58:00,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:58:00,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:58:00,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:58:00,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 10:58:00,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 10:58:00,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 10:58:00,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 10:58:00,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:58:00,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-06-06 10:58:00,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 10:58:00,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 10:58:00,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 10:58:00,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 10:58:00,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-06 10:58:00,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 10:58:00,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 10:58:00,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-06 10:58:00,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 303 states. [2021-06-06 10:58:00,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 10:58:00,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 10:58:00,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 10:58:00,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-06-06 10:58:00,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-06 10:58:00,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:58:01,019 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2021-06-06 10:58:31,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:58:31,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:58:31,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:58:31,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:58:31,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:58:31,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 10:58:31,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 10:58:31,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 10:58:31,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 10:58:31,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:58:31,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-06-06 10:58:31,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 10:58:31,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 10:58:31,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 10:58:31,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 10:58:31,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 10:58:31,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 10:58:31,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 10:58:31,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 10:58:31,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 303 states. [2021-06-06 10:58:31,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 10:58:31,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 10:58:31,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 10:58:31,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-06-06 10:58:31,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 10:58:31,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 10:58:31,927 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-06-06 10:58:31,927 INFO L430 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 10:58:31,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 10:58:31,927 INFO L82 PathProgramCache]: Analyzing trace with hash -1276935544, now seen corresponding path program 25 times [2021-06-06 10:58:31,927 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 10:58:31,928 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270819176] [2021-06-06 10:58:31,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 10:58:31,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 10:58:32,751 INFO L134 CoverageAnalysis]: Checked inductivity of 1675 backedges. 961 proven. 289 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2021-06-06 10:58:32,751 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 10:58:32,751 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270819176] [2021-06-06 10:58:32,751 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270819176] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:58:32,751 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [339220746] [2021-06-06 10:58:32,751 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 10:58:32,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 10:58:32,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 37 conjunts are in the unsatisfiable core [2021-06-06 10:58:32,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 10:58:33,042 INFO L134 CoverageAnalysis]: Checked inductivity of 1675 backedges. 779 proven. 289 refuted. 0 times theorem prover too weak. 607 trivial. 0 not checked. [2021-06-06 10:58:33,042 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [339220746] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:58:33,042 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 10:58:33,042 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 37] total 51 [2021-06-06 10:58:33,042 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331113211] [2021-06-06 10:58:33,042 INFO L462 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-06-06 10:58:33,042 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 10:58:33,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-06-06 10:58:33,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=737, Invalid=1915, Unknown=0, NotChecked=0, Total=2652 [2021-06-06 10:58:33,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:58:33,044 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 10:58:33,044 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 52 states, 52 states have (on average 2.3461538461538463) internal successors, (122), 51 states have internal predecessors, (122), 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) [2021-06-06 10:58:33,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:58:33,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:58:33,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:58:33,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:58:33,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:58:33,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 10:58:33,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 10:58:33,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 10:58:33,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 10:58:33,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:58:33,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-06-06 10:58:33,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 10:58:33,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 10:58:33,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 10:58:33,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 10:58:33,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-06 10:58:33,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 10:58:33,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 10:58:33,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-06 10:58:33,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 303 states. [2021-06-06 10:58:33,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 10:58:33,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 10:58:33,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 10:58:33,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-06-06 10:58:33,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-06 10:58:33,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 10:58:33,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:59:03,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:59:03,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:59:03,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:59:03,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:59:03,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:59:03,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 10:59:03,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 10:59:03,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 10:59:03,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 10:59:03,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:59:03,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-06-06 10:59:03,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 10:59:03,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 10:59:03,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 10:59:03,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 10:59:03,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 10:59:03,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 10:59:03,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 10:59:03,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 10:59:03,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 303 states. [2021-06-06 10:59:03,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 10:59:03,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 10:59:03,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 10:59:03,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-06-06 10:59:03,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 10:59:03,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 10:59:03,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 10:59:03,456 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-06-06 10:59:03,456 INFO L430 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 10:59:03,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 10:59:03,456 INFO L82 PathProgramCache]: Analyzing trace with hash -2020765398, now seen corresponding path program 26 times [2021-06-06 10:59:03,456 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 10:59:03,456 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245393268] [2021-06-06 10:59:03,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 10:59:03,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 10:59:03,964 INFO L134 CoverageAnalysis]: Checked inductivity of 1710 backedges. 256 proven. 554 refuted. 0 times theorem prover too weak. 900 trivial. 0 not checked. [2021-06-06 10:59:03,964 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 10:59:03,964 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245393268] [2021-06-06 10:59:03,964 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245393268] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:59:03,964 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1300740858] [2021-06-06 10:59:03,964 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 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 10:59:04,031 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 10:59:04,031 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 10:59:04,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 39 conjunts are in the unsatisfiable core [2021-06-06 10:59:04,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 10:59:05,367 INFO L134 CoverageAnalysis]: Checked inductivity of 1710 backedges. 805 proven. 324 refuted. 0 times theorem prover too weak. 581 trivial. 0 not checked. [2021-06-06 10:59:05,368 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1300740858] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:59:05,368 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 10:59:05,368 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 39] total 75 [2021-06-06 10:59:05,368 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037537463] [2021-06-06 10:59:05,368 INFO L462 AbstractCegarLoop]: Interpolant automaton has 76 states [2021-06-06 10:59:05,369 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 10:59:05,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2021-06-06 10:59:05,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=780, Invalid=4920, Unknown=0, NotChecked=0, Total=5700 [2021-06-06 10:59:05,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:59:05,370 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 10:59:05,371 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 76 states, 76 states have (on average 2.5526315789473686) internal successors, (194), 75 states have internal predecessors, (194), 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) [2021-06-06 10:59:05,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:59:05,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:59:05,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:59:05,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:59:05,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:59:05,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 10:59:05,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 10:59:05,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 10:59:05,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 10:59:05,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:59:05,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-06-06 10:59:05,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 10:59:05,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 10:59:05,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 10:59:05,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 10:59:05,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-06 10:59:05,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 10:59:05,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 10:59:05,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-06 10:59:05,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 303 states. [2021-06-06 10:59:05,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 10:59:05,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 10:59:05,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 10:59:05,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-06-06 10:59:05,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-06 10:59:05,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 10:59:05,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 10:59:05,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:59:40,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:59:40,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:59:40,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:59:40,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:59:40,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:59:40,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 10:59:40,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 10:59:40,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 10:59:40,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 10:59:40,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:59:40,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-06-06 10:59:40,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 10:59:40,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 10:59:40,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 10:59:40,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 10:59:40,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 10:59:40,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 10:59:40,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 10:59:40,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 10:59:40,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 303 states. [2021-06-06 10:59:40,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 10:59:40,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 10:59:40,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 10:59:40,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-06-06 10:59:40,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 10:59:40,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 10:59:40,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 10:59:40,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2021-06-06 10:59:41,020 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-06-06 10:59:41,021 INFO L430 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 10:59:41,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 10:59:41,022 INFO L82 PathProgramCache]: Analyzing trace with hash -743840456, now seen corresponding path program 27 times [2021-06-06 10:59:41,022 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 10:59:41,022 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835052577] [2021-06-06 10:59:41,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 10:59:41,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 10:59:41,629 INFO L134 CoverageAnalysis]: Checked inductivity of 1799 backedges. 289 proven. 610 refuted. 0 times theorem prover too weak. 900 trivial. 0 not checked. [2021-06-06 10:59:41,629 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 10:59:41,629 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835052577] [2021-06-06 10:59:41,629 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835052577] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:59:41,630 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1584882045] [2021-06-06 10:59:41,630 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 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 10:59:41,756 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 20 check-sat command(s) [2021-06-06 10:59:41,756 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 10:59:41,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 39 conjunts are in the unsatisfiable core [2021-06-06 10:59:41,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 10:59:42,015 INFO L134 CoverageAnalysis]: Checked inductivity of 1799 backedges. 324 proven. 575 refuted. 0 times theorem prover too weak. 900 trivial. 0 not checked. [2021-06-06 10:59:42,016 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1584882045] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 10:59:42,016 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 10:59:42,016 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 39] total 40 [2021-06-06 10:59:42,016 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865711067] [2021-06-06 10:59:42,016 INFO L462 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-06-06 10:59:42,016 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 10:59:42,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-06-06 10:59:42,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=422, Invalid=1218, Unknown=0, NotChecked=0, Total=1640 [2021-06-06 10:59:42,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 10:59:42,017 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 10:59:42,017 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 41 states, 41 states have (on average 2.8292682926829267) internal successors, (116), 40 states have internal predecessors, (116), 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) [2021-06-06 10:59:42,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 10:59:42,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:59:42,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 10:59:42,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:59:42,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 10:59:42,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 10:59:42,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 10:59:42,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 10:59:42,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 10:59:42,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 10:59:42,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-06-06 10:59:42,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 10:59:42,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 10:59:42,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 10:59:42,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 10:59:42,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-06 10:59:42,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 10:59:42,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 10:59:42,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-06 10:59:42,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 303 states. [2021-06-06 10:59:42,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 10:59:42,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 10:59:42,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 10:59:42,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-06-06 10:59:42,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-06 10:59:42,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 10:59:42,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 10:59:42,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2021-06-06 10:59:42,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:00:19,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 11:00:19,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:00:19,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:00:19,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 11:00:19,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 11:00:19,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 11:00:19,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 11:00:19,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 11:00:19,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:00:19,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 11:00:19,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-06-06 11:00:19,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 11:00:19,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 11:00:19,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 11:00:19,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 11:00:19,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 11:00:19,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 11:00:19,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 11:00:19,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 11:00:19,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 303 states. [2021-06-06 11:00:19,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 11:00:19,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 11:00:19,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 11:00:19,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-06-06 11:00:19,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 11:00:19,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 11:00:19,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 11:00:19,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2021-06-06 11:00:19,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 11:00:20,153 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-06-06 11:00:20,154 INFO L430 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:00:20,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:00:20,154 INFO L82 PathProgramCache]: Analyzing trace with hash 157525964, now seen corresponding path program 28 times [2021-06-06 11:00:20,154 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:00:20,154 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112499375] [2021-06-06 11:00:20,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:00:20,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:00:21,054 INFO L134 CoverageAnalysis]: Checked inductivity of 1854 backedges. 961 proven. 361 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2021-06-06 11:00:21,055 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:00:21,055 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112499375] [2021-06-06 11:00:21,055 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112499375] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:00:21,055 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2699717] [2021-06-06 11:00:21,055 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 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:00:21,124 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 11:00:21,124 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 11:00:21,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 41 conjunts are in the unsatisfiable core [2021-06-06 11:00:21,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 11:00:21,352 INFO L134 CoverageAnalysis]: Checked inductivity of 1854 backedges. 829 proven. 361 refuted. 0 times theorem prover too weak. 664 trivial. 0 not checked. [2021-06-06 11:00:21,353 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2699717] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:00:21,353 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 11:00:21,353 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 41] total 53 [2021-06-06 11:00:21,353 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78392747] [2021-06-06 11:00:21,353 INFO L462 AbstractCegarLoop]: Interpolant automaton has 54 states [2021-06-06 11:00:21,353 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:00:21,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2021-06-06 11:00:21,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=780, Invalid=2082, Unknown=0, NotChecked=0, Total=2862 [2021-06-06 11:00:21,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:00:21,354 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:00:21,354 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 54 states, 54 states have (on average 2.3333333333333335) internal successors, (126), 53 states have internal predecessors, (126), 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) [2021-06-06 11:00:21,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 11:00:21,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:00:21,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:00:21,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 11:00:21,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 11:00:21,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 11:00:21,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 11:00:21,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 11:00:21,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:00:21,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 11:00:21,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-06-06 11:00:21,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 11:00:21,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 11:00:21,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 11:00:21,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 11:00:21,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-06 11:00:21,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 11:00:21,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 11:00:21,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-06 11:00:21,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 303 states. [2021-06-06 11:00:21,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 11:00:21,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 11:00:21,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 11:00:21,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-06-06 11:00:21,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-06 11:00:21,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 11:00:21,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 11:00:21,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2021-06-06 11:00:21,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 11:00:21,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:00:57,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 11:00:57,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:00:57,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:00:57,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 11:00:57,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 11:00:57,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 11:00:57,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 11:00:57,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 11:00:57,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:00:57,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 11:00:57,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-06-06 11:00:57,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 11:00:57,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 11:00:57,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 11:00:57,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 11:00:57,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-06 11:00:57,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 11:00:57,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 11:00:57,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-06 11:00:57,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 303 states. [2021-06-06 11:00:57,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 11:00:57,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 11:00:57,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 11:00:57,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-06-06 11:00:57,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 11:00:57,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 11:00:57,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 11:00:57,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2021-06-06 11:00:57,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 11:00:57,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-06 11:00:58,039 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,30 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:00:58,039 INFO L430 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:00:58,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:00:58,039 INFO L82 PathProgramCache]: Analyzing trace with hash -1962060818, now seen corresponding path program 29 times [2021-06-06 11:00:58,039 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:00:58,039 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950580048] [2021-06-06 11:00:58,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:00:58,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:00:58,753 INFO L134 CoverageAnalysis]: Checked inductivity of 1893 backedges. 324 proven. 669 refuted. 0 times theorem prover too weak. 900 trivial. 0 not checked. [2021-06-06 11:00:58,754 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:00:58,754 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950580048] [2021-06-06 11:00:58,754 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950580048] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:00:58,754 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1038446341] [2021-06-06 11:00:58,754 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 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:00:58,995 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 32 check-sat command(s) [2021-06-06 11:00:58,995 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 11:00:58,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 53 conjunts are in the unsatisfiable core [2021-06-06 11:00:59,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 11:01:00,494 INFO L134 CoverageAnalysis]: Checked inductivity of 1893 backedges. 900 proven. 593 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2021-06-06 11:01:00,494 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1038446341] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:01:00,494 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 11:01:00,494 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 52] total 83 [2021-06-06 11:01:00,494 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120687722] [2021-06-06 11:01:00,495 INFO L462 AbstractCegarLoop]: Interpolant automaton has 84 states [2021-06-06 11:01:00,495 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:01:00,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2021-06-06 11:01:00,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1266, Invalid=5706, Unknown=0, NotChecked=0, Total=6972 [2021-06-06 11:01:00,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:01:00,497 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:01:00,497 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 84 states, 84 states have (on average 2.6547619047619047) internal successors, (223), 83 states have internal predecessors, (223), 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) [2021-06-06 11:01:00,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 11:01:00,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:01:00,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:01:00,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 11:01:00,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 11:01:00,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 11:01:00,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 11:01:00,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 11:01:00,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:01:00,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 11:01:00,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-06-06 11:01:00,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 11:01:00,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 11:01:00,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 11:01:00,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 11:01:00,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-06 11:01:00,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 11:01:00,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 11:01:00,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-06 11:01:00,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 303 states. [2021-06-06 11:01:00,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 11:01:00,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 11:01:00,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 11:01:00,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-06-06 11:01:00,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-06 11:01:00,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 11:01:00,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 11:01:00,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2021-06-06 11:01:00,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 11:01:00,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-06 11:01:00,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.