/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 18:50:31,764 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 18:50:31,766 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 18:50:31,794 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 18:50:31,838 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf [2021-07-14 18:50:31,865 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 18:50:31,865 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 18:50:31,865 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 18:50:31,865 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 18:50:31,867 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 18:50:31,867 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 18:50:31,867 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 18:50:31,868 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 18:50:31,868 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 18:50:31,868 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 18:50:31,868 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 18:50:31,868 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 18:50:31,869 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 18:50:31,869 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 18:50:31,869 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 18:50:31,869 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 18:50:31,869 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 18:50:31,869 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 18:50:31,869 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 18:50:31,869 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 18:50:31,869 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 18:50:31,869 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 18:50:31,870 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 18:50:31,870 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 18:50:31,870 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 18:50:31,870 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 18:50:31,879 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 18:50:31,879 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 18:50:31,879 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-14 18:50:31,880 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 18:50:31,880 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 18:50:31,880 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 18:50:31,880 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 18:50:31,880 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-14 18:50:31,880 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 18:50:32,120 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 18:50:32,141 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 18:50:32,143 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 18:50:32,144 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 18:50:32,144 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 18:50:32,145 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons.wvr.bpl [2021-07-14 18:50:32,145 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons.wvr.bpl' [2021-07-14 18:50:32,170 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 18:50:32,171 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 18:50:32,173 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 18:50:32,173 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 18:50:32,173 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 18:50:32,185 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:50:32" (1/1) ... [2021-07-14 18:50:32,191 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:50:32" (1/1) ... [2021-07-14 18:50:32,197 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 18:50:32,198 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 18:50:32,198 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 18:50:32,198 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 18:50:32,203 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:50:32" (1/1) ... [2021-07-14 18:50:32,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:50:32" (1/1) ... [2021-07-14 18:50:32,204 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:50:32" (1/1) ... [2021-07-14 18:50:32,204 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:50:32" (1/1) ... [2021-07-14 18:50:32,207 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:50:32" (1/1) ... [2021-07-14 18:50:32,209 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:50:32" (1/1) ... [2021-07-14 18:50:32,209 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:50:32" (1/1) ... [2021-07-14 18:50:32,211 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 18:50:32,212 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 18:50:32,213 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 18:50:32,213 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 18:50:32,214 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:50:32" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 18:50:32,273 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 18:50:32,274 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 18:50:32,274 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 18:50:32,274 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 18:50:32,274 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 18:50:32,274 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 18:50:32,274 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 18:50:32,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 18:50:32,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 18:50:32,275 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-14 18:50:32,276 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-14 18:50:32,276 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-14 18:50:32,276 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 18:50:32,470 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 18:50:32,470 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-14 18:50:32,472 INFO L202 PluginConnector]: Adding new model prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 06:50:32 BoogieIcfgContainer [2021-07-14 18:50:32,472 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 18:50:32,473 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 18:50:32,473 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 18:50:32,475 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 18:50:32,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:50:32" (1/2) ... [2021-07-14 18:50:32,476 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17da9e5d and model type prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 06:50:32, skipping insertion in model container [2021-07-14 18:50:32,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 06:50:32" (2/2) ... [2021-07-14 18:50:32,477 INFO L111 eAbstractionObserver]: Analyzing ICFG prod-cons.wvr.bpl [2021-07-14 18:50:32,480 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 18:50:32,480 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 18:50:32,481 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 18:50:32,481 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 18:50:32,526 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-07-14 18:50:32,560 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 18:50:32,597 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 18:50:32,597 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 18:50:32,597 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 18:50:32,597 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 18:50:32,597 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 18:50:32,598 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 18:50:32,598 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 18:50:32,598 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 18:50:32,747 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 18:50:32,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 18:50:32,751 INFO L82 PathProgramCache]: Analyzing trace with hash -732545594, now seen corresponding path program 1 times [2021-07-14 18:50:32,756 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 18:50:32,757 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5619922] [2021-07-14 18:50:32,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 18:50:32,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:50:32,902 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-07-14 18:50:32,902 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 18:50:32,902 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5619922] [2021-07-14 18:50:32,903 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5619922] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 18:50:32,903 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 18:50:32,903 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 18:50:32,903 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64091536] [2021-07-14 18:50:32,906 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 18:50:32,906 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 18:50:32,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 18:50:32,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 18:50:32,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:50:32,915 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 18:50:32,917 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 18:50:32,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:50:32,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:50:32,941 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 18:50:32,941 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 18:50:32,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 18:50:32,941 INFO L82 PathProgramCache]: Analyzing trace with hash -289330472, now seen corresponding path program 2 times [2021-07-14 18:50:32,942 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 18:50:32,942 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196405966] [2021-07-14 18:50:32,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 18:50:32,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:50:32,972 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 18:50:32,973 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 18:50:32,973 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196405966] [2021-07-14 18:50:32,973 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196405966] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:50:32,973 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1436772874] [2021-07-14 18:50:32,973 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 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 18:50:33,016 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 18:50:33,016 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 18:50:33,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-14 18:50:33,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 18:50:33,147 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 18:50:33,147 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1436772874] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:50:33,148 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 18:50:33,148 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 6] total 8 [2021-07-14 18:50:33,148 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314747953] [2021-07-14 18:50:33,149 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 18:50:33,149 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 18:50:33,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 18:50:33,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-07-14 18:50:33,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:50:33,157 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 18:50:33,157 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 8 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 18:50:33,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:50:33,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:50:33,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:50:33,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:50:33,535 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 18:50:33,535 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 18:50:33,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 18:50:33,536 INFO L82 PathProgramCache]: Analyzing trace with hash 2013227738, now seen corresponding path program 3 times [2021-07-14 18:50:33,536 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 18:50:33,536 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146717569] [2021-07-14 18:50:33,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 18:50:33,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:50:33,623 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 18:50:33,624 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 18:50:33,624 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146717569] [2021-07-14 18:50:33,624 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146717569] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:50:33,624 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1733946958] [2021-07-14 18:50:33,624 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 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 18:50:33,654 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-14 18:50:33,654 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 18:50:33,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-14 18:50:33,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 18:50:33,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-14 18:50:33,790 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 18:50:33,795 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 18:50:33,797 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 18:50:33,797 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:19, output treesize:12 [2021-07-14 18:50:33,900 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 18:50:33,901 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1733946958] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:50:33,901 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 18:50:33,901 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 17 [2021-07-14 18:50:33,902 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357407965] [2021-07-14 18:50:33,903 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-14 18:50:33,903 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 18:50:33,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-14 18:50:33,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=218, Unknown=0, NotChecked=0, Total=272 [2021-07-14 18:50:33,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:50:33,905 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 18:50:33,905 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 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) [2021-07-14 18:50:33,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:50:33,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:50:33,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:50:34,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:50:34,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:50:34,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 18:50:34,532 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 18:50:34,532 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 18:50:34,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 18:50:34,533 INFO L82 PathProgramCache]: Analyzing trace with hash 1384020266, now seen corresponding path program 4 times [2021-07-14 18:50:34,533 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 18:50:34,533 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677179522] [2021-07-14 18:50:34,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 18:50:34,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:50:34,567 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-14 18:50:34,567 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 18:50:34,567 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677179522] [2021-07-14 18:50:34,567 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677179522] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:50:34,567 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1643071985] [2021-07-14 18:50:34,567 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 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 18:50:34,598 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 18:50:34,598 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 18:50:34,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-14 18:50:34,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 18:50:34,663 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 18:50:34,663 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1643071985] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:50:34,663 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 18:50:34,663 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 5 [2021-07-14 18:50:34,663 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511454681] [2021-07-14 18:50:34,663 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-14 18:50:34,664 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 18:50:34,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-14 18:50:34,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-07-14 18:50:34,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:50:34,665 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 18:50:34,665 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 18:50:34,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:50:34,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:50:34,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 18:50:34,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:50:34,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:50:34,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:50:34,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 18:50:34,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:50:34,900 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 18:50:34,901 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 18:50:34,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 18:50:34,901 INFO L82 PathProgramCache]: Analyzing trace with hash 902213068, now seen corresponding path program 5 times [2021-07-14 18:50:34,901 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 18:50:34,902 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664999407] [2021-07-14 18:50:34,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 18:50:34,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:50:35,112 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 1 proven. 22 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 18:50:35,112 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 18:50:35,112 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664999407] [2021-07-14 18:50:35,115 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664999407] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:50:35,116 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [148311683] [2021-07-14 18:50:35,117 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 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 18:50:35,167 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-14 18:50:35,167 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 18:50:35,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-14 18:50:35,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 18:50:35,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:50:35,493 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 18:50:35,494 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 25 treesize of output 13 [2021-07-14 18:50:35,496 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 18:50:35,502 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 18:50:35,518 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 18:50:35,518 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:36, output treesize:10 [2021-07-14 18:50:35,579 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 1 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 18:50:35,580 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [148311683] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:50:35,580 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 18:50:35,580 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 25 [2021-07-14 18:50:35,580 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599546009] [2021-07-14 18:50:35,581 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-14 18:50:35,581 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 18:50:35,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-14 18:50:35,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=504, Unknown=0, NotChecked=0, Total=600 [2021-07-14 18:50:35,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:50:35,582 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 18:50:35,582 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.72) internal successors, (68), 25 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 18:50:35,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:50:35,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:50:35,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 18:50:35,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:50:35,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:50:36,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:50:36,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:50:36,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 18:50:36,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:50:36,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 18:50:36,875 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 18:50:36,875 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 18:50:36,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 18:50:36,876 INFO L82 PathProgramCache]: Analyzing trace with hash 1762734065, now seen corresponding path program 6 times [2021-07-14 18:50:36,876 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 18:50:36,876 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365969686] [2021-07-14 18:50:36,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 18:50:36,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:50:36,908 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 16 proven. 14 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-14 18:50:36,909 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 18:50:36,909 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365969686] [2021-07-14 18:50:36,909 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365969686] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:50:36,909 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2119696245] [2021-07-14 18:50:36,909 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 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 18:50:36,940 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-14 18:50:36,940 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 18:50:36,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 8 conjunts are in the unsatisfiable core [2021-07-14 18:50:36,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 18:50:37,029 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 16 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 18:50:37,029 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2119696245] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:50:37,029 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 18:50:37,029 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 6 [2021-07-14 18:50:37,029 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914962208] [2021-07-14 18:50:37,030 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-14 18:50:37,030 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 18:50:37,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-14 18:50:37,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-07-14 18:50:37,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:50:37,030 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 18:50:37,030 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 18:50:37,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:50:37,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:50:37,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 18:50:37,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:50:37,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 18:50:37,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:50:37,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:50:37,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:50:37,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 18:50:37,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:50:37,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 18:50:37,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:50:37,268 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 18:50:37,269 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 18:50:37,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 18:50:37,269 INFO L82 PathProgramCache]: Analyzing trace with hash -200023277, now seen corresponding path program 7 times [2021-07-14 18:50:37,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 18:50:37,269 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315009605] [2021-07-14 18:50:37,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 18:50:37,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:50:37,487 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 1 proven. 42 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 18:50:37,487 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 18:50:37,487 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315009605] [2021-07-14 18:50:37,487 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315009605] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:50:37,488 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2069672162] [2021-07-14 18:50:37,488 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 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 18:50:37,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:50:37,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 29 conjunts are in the unsatisfiable core [2021-07-14 18:50:37,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 18:50:37,984 INFO L354 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2021-07-14 18:50:37,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 18 [2021-07-14 18:50:37,988 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 18:50:37,991 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 18:50:37,992 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 18:50:37,992 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:45, output treesize:10 [2021-07-14 18:50:38,070 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 1 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 18:50:38,070 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2069672162] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:50:38,070 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 18:50:38,071 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 19] total 33 [2021-07-14 18:50:38,071 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897255369] [2021-07-14 18:50:38,072 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-07-14 18:50:38,072 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 18:50:38,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-07-14 18:50:38,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=933, Unknown=0, NotChecked=0, Total=1056 [2021-07-14 18:50:38,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:50:38,073 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 18:50:38,073 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 2.242424242424242) internal successors, (74), 33 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 18:50:38,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:50:38,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:50:38,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 18:50:38,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:50:38,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 18:50:38,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:50:38,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:50:39,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:50:39,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:50:39,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 18:50:39,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:50:39,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 18:50:39,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:50:39,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 18:50:40,132 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 18:50:40,133 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 18:50:40,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 18:50:40,133 INFO L82 PathProgramCache]: Analyzing trace with hash 64758090, now seen corresponding path program 8 times [2021-07-14 18:50:40,133 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 18:50:40,133 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558544936] [2021-07-14 18:50:40,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 18:50:40,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:50:40,167 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 26 proven. 27 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-14 18:50:40,167 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 18:50:40,168 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558544936] [2021-07-14 18:50:40,168 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558544936] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:50:40,168 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1277564091] [2021-07-14 18:50:40,168 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 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 18:50:40,205 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 18:50:40,206 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 18:50:40,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 10 conjunts are in the unsatisfiable core [2021-07-14 18:50:40,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 18:50:40,278 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 26 proven. 25 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 18:50:40,278 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1277564091] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:50:40,278 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 18:50:40,278 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 7 [2021-07-14 18:50:40,279 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632404490] [2021-07-14 18:50:40,279 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 18:50:40,279 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 18:50:40,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 18:50:40,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-07-14 18:50:40,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:50:40,280 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 18:50:40,280 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 18:50:40,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:50:40,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:50:40,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 18:50:40,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:50:40,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 18:50:40,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:50:40,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 18:50:40,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:50:40,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:50:40,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:50:40,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 18:50:40,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:50:40,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 18:50:40,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:50:40,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 18:50:40,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 18:50:40,540 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-07-14 18:50:40,541 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 18:50:40,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 18:50:40,541 INFO L82 PathProgramCache]: Analyzing trace with hash -949980436, now seen corresponding path program 9 times [2021-07-14 18:50:40,541 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 18:50:40,541 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242606096] [2021-07-14 18:50:40,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 18:50:40,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:50:40,834 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 1 proven. 68 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 18:50:40,834 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 18:50:40,834 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242606096] [2021-07-14 18:50:40,835 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242606096] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:50:40,835 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [429039541] [2021-07-14 18:50:40,835 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 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 18:50:40,878 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-07-14 18:50:40,878 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 18:50:40,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 35 conjunts are in the unsatisfiable core [2021-07-14 18:50:40,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 18:50:41,574 INFO L354 Elim1Store]: treesize reduction 66, result has 1.5 percent of original size [2021-07-14 18:50:41,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 50 treesize of output 22 [2021-07-14 18:50:41,581 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 18:50:41,585 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 18:50:41,586 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 18:50:41,586 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:53, output treesize:10 [2021-07-14 18:50:41,663 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 1 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 18:50:41,664 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [429039541] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:50:41,664 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 18:50:41,664 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 23] total 41 [2021-07-14 18:50:41,664 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326654508] [2021-07-14 18:50:41,664 INFO L462 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-07-14 18:50:41,664 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 18:50:41,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-07-14 18:50:41,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=169, Invalid=1471, Unknown=0, NotChecked=0, Total=1640 [2021-07-14 18:50:41,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:50:41,665 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 18:50:41,665 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 41 states, 41 states have (on average 2.097560975609756) internal successors, (86), 41 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 18:50:41,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:50:41,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:50:41,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 18:50:41,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:50:41,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 18:50:41,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:50:41,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 18:50:41,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 18:50:41,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:50:43,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:50:43,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:50:43,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 18:50:43,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:50:43,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 18:50:43,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:50:43,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 18:50:43,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 18:50:43,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-14 18:50:44,149 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-07-14 18:50:44,149 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 18:50:44,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 18:50:44,149 INFO L82 PathProgramCache]: Analyzing trace with hash 510908113, now seen corresponding path program 10 times [2021-07-14 18:50:44,150 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 18:50:44,150 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713388698] [2021-07-14 18:50:44,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 18:50:44,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:50:44,193 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 39 proven. 43 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-14 18:50:44,193 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 18:50:44,193 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713388698] [2021-07-14 18:50:44,194 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713388698] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:50:44,194 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [632385043] [2021-07-14 18:50:44,194 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 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 18:50:44,224 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 18:50:44,225 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 18:50:44,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 12 conjunts are in the unsatisfiable core [2021-07-14 18:50:44,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 18:50:44,295 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 39 proven. 41 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 18:50:44,295 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [632385043] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:50:44,295 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 18:50:44,295 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 8 [2021-07-14 18:50:44,295 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801556942] [2021-07-14 18:50:44,296 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 18:50:44,296 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 18:50:44,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 18:50:44,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-07-14 18:50:44,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:50:44,296 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 18:50:44,297 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 18:50:44,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:50:44,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:50:44,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 18:50:44,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:50:44,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 18:50:44,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:50:44,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 18:50:44,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 18:50:44,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-07-14 18:50:44,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:50:44,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:50:44,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:50:44,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 18:50:44,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:50:44,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 18:50:44,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:50:44,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 18:50:44,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 18:50:44,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-14 18:50:44,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 18:50:44,551 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 18:50:44,551 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 18:50:44,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 18:50:44,552 INFO L82 PathProgramCache]: Analyzing trace with hash -2123831565, now seen corresponding path program 11 times [2021-07-14 18:50:44,552 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 18:50:44,552 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168712773] [2021-07-14 18:50:44,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 18:50:44,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:50:44,909 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 1 proven. 100 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 18:50:44,910 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 18:50:44,910 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168712773] [2021-07-14 18:50:44,910 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168712773] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:50:44,910 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [421984150] [2021-07-14 18:50:44,910 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 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 18:50:44,944 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-07-14 18:50:44,945 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 18:50:44,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 44 conjunts are in the unsatisfiable core [2021-07-14 18:50:44,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 18:50:45,858 INFO L354 Elim1Store]: treesize reduction 112, result has 0.9 percent of original size [2021-07-14 18:50:45,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 62 treesize of output 26 [2021-07-14 18:50:45,861 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 18:50:45,864 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 18:50:45,865 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 18:50:45,865 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:65, output treesize:10 [2021-07-14 18:50:45,952 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 1 proven. 101 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 18:50:45,953 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [421984150] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:50:45,953 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 18:50:45,953 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 27] total 49 [2021-07-14 18:50:45,953 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405092746] [2021-07-14 18:50:45,953 INFO L462 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-07-14 18:50:45,953 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 18:50:45,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-07-14 18:50:45,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=2142, Unknown=0, NotChecked=0, Total=2352 [2021-07-14 18:50:45,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:50:45,954 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 18:50:45,954 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 49 states, 49 states have (on average 2.0) internal successors, (98), 49 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 18:50:45,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:50:45,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:50:45,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 18:50:45,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:50:45,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 18:50:45,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:50:45,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 18:50:45,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 18:50:45,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-07-14 18:50:45,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 18:50:45,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:50:49,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:50:49,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:50:49,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 18:50:49,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:50:49,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 18:50:49,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:50:49,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 18:50:49,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 18:50:49,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-14 18:50:49,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 18:50:49,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-07-14 18:50:49,603 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-07-14 18:50:49,603 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 18:50:49,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 18:50:49,603 INFO L82 PathProgramCache]: Analyzing trace with hash -64351894, now seen corresponding path program 12 times [2021-07-14 18:50:49,604 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 18:50:49,604 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833233237] [2021-07-14 18:50:49,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 18:50:49,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:50:49,652 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 55 proven. 62 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-14 18:50:49,652 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 18:50:49,652 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833233237] [2021-07-14 18:50:49,652 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833233237] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:50:49,652 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [227437449] [2021-07-14 18:50:49,653 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 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 18:50:49,699 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-07-14 18:50:49,699 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 18:50:49,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 14 conjunts are in the unsatisfiable core [2021-07-14 18:50:49,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 18:50:49,775 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 55 proven. 60 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 18:50:49,775 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [227437449] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:50:49,775 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 18:50:49,775 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 9 [2021-07-14 18:50:49,775 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896344490] [2021-07-14 18:50:49,776 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-14 18:50:49,776 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 18:50:49,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-14 18:50:49,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2021-07-14 18:50:49,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:50:49,776 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 18:50:49,776 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 18:50:49,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:50:49,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:50:49,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 18:50:49,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:50:49,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 18:50:49,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:50:49,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 18:50:49,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 18:50:49,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-07-14 18:50:49,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 18:50:49,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-07-14 18:50:49,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:50:49,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:50:49,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:50:49,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 18:50:49,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:50:49,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 18:50:49,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:50:49,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 18:50:49,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 18:50:49,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-14 18:50:49,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 18:50:49,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-07-14 18:50:49,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:50:50,037 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-07-14 18:50:50,037 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 18:50:50,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 18:50:50,037 INFO L82 PathProgramCache]: Analyzing trace with hash -39387124, now seen corresponding path program 13 times [2021-07-14 18:50:50,037 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 18:50:50,037 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548881237] [2021-07-14 18:50:50,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 18:50:50,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:50:50,520 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 1 proven. 138 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 18:50:50,520 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 18:50:50,520 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548881237] [2021-07-14 18:50:50,520 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548881237] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:50:50,521 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1744328242] [2021-07-14 18:50:50,521 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 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 18:50:50,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:50:50,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 53 conjunts are in the unsatisfiable core [2021-07-14 18:50:50,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 18:50:51,792 INFO L354 Elim1Store]: treesize reduction 180, result has 0.6 percent of original size [2021-07-14 18:50:51,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 78 treesize of output 30 [2021-07-14 18:50:51,797 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 18:50:51,801 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 18:50:51,801 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 18:50:51,802 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:81, output treesize:10 [2021-07-14 18:50:51,901 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 1 proven. 139 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 18:50:51,901 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1744328242] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:50:51,901 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 18:50:51,901 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 31] total 57 [2021-07-14 18:50:51,901 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574006754] [2021-07-14 18:50:51,902 INFO L462 AbstractCegarLoop]: Interpolant automaton has 57 states [2021-07-14 18:50:51,902 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 18:50:51,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2021-07-14 18:50:51,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=254, Invalid=2938, Unknown=0, NotChecked=0, Total=3192 [2021-07-14 18:50:51,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:50:51,904 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 18:50:51,905 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 57 states, 57 states have (on average 1.9298245614035088) internal successors, (110), 57 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 18:50:51,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:50:51,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:50:51,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 18:50:51,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:50:51,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 18:50:51,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:50:51,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 18:50:51,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 18:50:51,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-07-14 18:50:51,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 18:50:51,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-07-14 18:50:51,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:50:51,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:50:56,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:50:56,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:50:56,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 18:50:56,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:50:56,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 18:50:56,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:50:56,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 18:50:56,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 18:50:56,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-14 18:50:56,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 18:50:56,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-07-14 18:50:56,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:50:56,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 18:50:56,433 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-07-14 18:50:56,433 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 18:50:56,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 18:50:56,433 INFO L82 PathProgramCache]: Analyzing trace with hash 982824369, now seen corresponding path program 14 times [2021-07-14 18:50:56,434 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 18:50:56,434 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958771420] [2021-07-14 18:50:56,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 18:50:56,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:50:56,484 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 74 proven. 84 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-14 18:50:56,484 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 18:50:56,484 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958771420] [2021-07-14 18:50:56,484 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958771420] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:50:56,485 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1958410129] [2021-07-14 18:50:56,485 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 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 18:50:56,520 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 18:50:56,520 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 18:50:56,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 16 conjunts are in the unsatisfiable core [2021-07-14 18:50:56,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 18:50:56,596 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 74 proven. 82 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 18:50:56,596 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1958410129] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:50:56,597 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 18:50:56,597 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 10 [2021-07-14 18:50:56,597 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520954335] [2021-07-14 18:50:56,597 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-14 18:50:56,597 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 18:50:56,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-14 18:50:56,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2021-07-14 18:50:56,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:50:56,598 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 18:50:56,598 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 6.3) internal successors, (63), 10 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 18:50:56,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:50:56,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:50:56,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 18:50:56,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:50:56,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 18:50:56,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:50:56,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 18:50:56,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 18:50:56,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-07-14 18:50:56,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 18:50:56,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-07-14 18:50:56,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:50:56,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 18:50:56,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:50:56,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:50:56,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:50:56,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 18:50:56,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:50:56,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 18:50:56,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:50:56,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 18:50:56,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 18:50:56,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-14 18:50:56,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 18:50:56,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-07-14 18:50:56,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:50:56,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 18:50:56,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 18:50:56,873 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 18:50:56,873 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 18:50:56,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 18:50:56,873 INFO L82 PathProgramCache]: Analyzing trace with hash -1277648173, now seen corresponding path program 15 times [2021-07-14 18:50:56,873 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 18:50:56,873 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637895087] [2021-07-14 18:50:56,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 18:50:56,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:50:57,425 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 1 proven. 182 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 18:50:57,426 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 18:50:57,426 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637895087] [2021-07-14 18:50:57,426 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637895087] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:50:57,426 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1729686806] [2021-07-14 18:50:57,426 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 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 18:50:57,463 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2021-07-14 18:50:57,463 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 18:50:57,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 59 conjunts are in the unsatisfiable core [2021-07-14 18:50:57,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 18:50:59,183 INFO L354 Elim1Store]: treesize reduction 240, result has 0.4 percent of original size [2021-07-14 18:50:59,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 86 treesize of output 34 [2021-07-14 18:50:59,185 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 18:50:59,189 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 18:50:59,189 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 18:50:59,190 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:89, output treesize:10 [2021-07-14 18:50:59,292 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 1 proven. 183 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 18:50:59,292 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1729686806] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:50:59,292 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 18:50:59,293 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 35] total 65 [2021-07-14 18:50:59,293 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342102781] [2021-07-14 18:50:59,293 INFO L462 AbstractCegarLoop]: Interpolant automaton has 65 states [2021-07-14 18:50:59,293 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 18:50:59,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2021-07-14 18:50:59,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=301, Invalid=3859, Unknown=0, NotChecked=0, Total=4160 [2021-07-14 18:50:59,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:50:59,294 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 18:50:59,295 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 65 states, 65 states have (on average 1.9692307692307693) internal successors, (128), 65 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 18:50:59,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:50:59,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:50:59,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 18:50:59,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:50:59,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 18:50:59,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:50:59,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 18:50:59,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 18:50:59,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-07-14 18:50:59,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 18:50:59,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-07-14 18:50:59,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:50:59,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 18:50:59,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 18:50:59,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:51:05,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:51:05,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:51:05,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 18:51:05,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:51:05,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 18:51:05,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:51:05,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 18:51:05,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 18:51:05,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-14 18:51:05,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 18:51:05,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-07-14 18:51:05,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:51:05,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 18:51:05,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 18:51:05,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-14 18:51:05,520 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-07-14 18:51:05,521 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 18:51:05,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 18:51:05,521 INFO L82 PathProgramCache]: Analyzing trace with hash 1422018954, now seen corresponding path program 16 times [2021-07-14 18:51:05,521 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 18:51:05,521 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599406791] [2021-07-14 18:51:05,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 18:51:05,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:51:05,583 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 96 proven. 109 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-14 18:51:05,584 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 18:51:05,584 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599406791] [2021-07-14 18:51:05,584 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599406791] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:51:05,584 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1810856716] [2021-07-14 18:51:05,584 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 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 18:51:05,641 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 18:51:05,642 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 18:51:05,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 18 conjunts are in the unsatisfiable core [2021-07-14 18:51:05,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 18:51:05,738 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 96 proven. 107 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 18:51:05,739 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1810856716] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:51:05,739 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 18:51:05,739 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 11 [2021-07-14 18:51:05,739 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182657528] [2021-07-14 18:51:05,739 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-14 18:51:05,739 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 18:51:05,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-14 18:51:05,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2021-07-14 18:51:05,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:51:05,740 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 18:51:05,740 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 11 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 18:51:05,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:51:05,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:51:05,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 18:51:05,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:51:05,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 18:51:05,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:51:05,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 18:51:05,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 18:51:05,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-07-14 18:51:05,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 18:51:05,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-07-14 18:51:05,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:51:05,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 18:51:05,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 18:51:05,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-14 18:51:05,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:51:05,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:51:05,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:51:05,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 18:51:05,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:51:05,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 18:51:05,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:51:05,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 18:51:05,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 18:51:05,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-14 18:51:05,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 18:51:05,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-07-14 18:51:05,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:51:05,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 18:51:05,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 18:51:05,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-14 18:51:05,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 18:51:06,011 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 18:51:06,012 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 18:51:06,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 18:51:06,012 INFO L82 PathProgramCache]: Analyzing trace with hash -1154198228, now seen corresponding path program 17 times [2021-07-14 18:51:06,012 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 18:51:06,012 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373611257] [2021-07-14 18:51:06,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 18:51:06,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:51:06,713 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 1 proven. 232 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 18:51:06,713 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 18:51:06,713 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373611257] [2021-07-14 18:51:06,713 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373611257] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:51:06,713 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1382823978] [2021-07-14 18:51:06,713 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 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 18:51:06,754 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2021-07-14 18:51:06,754 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 18:51:06,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 67 conjunts are in the unsatisfiable core [2021-07-14 18:51:06,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 18:51:09,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:09,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:09,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:09,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:09,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:09,412 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 18:51:09,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:09,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:09,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:09,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:09,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:09,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:09,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:09,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:09,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:09,418 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 18:51:09,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:09,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:09,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:09,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:09,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:09,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:09,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:09,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:09,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:09,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:09,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:09,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:09,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:09,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:09,429 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 18:51:09,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:09,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:09,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:09,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:09,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:09,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:09,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:09,436 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 18:51:09,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:09,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:09,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:09,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:09,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:09,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:09,440 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 18:51:09,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:09,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:09,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:09,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:09,443 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 18:51:09,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:09,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:09,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:09,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:09,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:09,447 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 18:51:09,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 28 disjoint index pairs (out of 105 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 38 [2021-07-14 18:51:09,454 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 18:51:09,459 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 18:51:09,460 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 18:51:09,461 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:109, output treesize:10 [2021-07-14 18:51:09,585 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 1 proven. 233 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 18:51:09,585 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1382823978] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:51:09,585 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 18:51:09,585 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 39] total 73 [2021-07-14 18:51:09,585 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583260785] [2021-07-14 18:51:09,585 INFO L462 AbstractCegarLoop]: Interpolant automaton has 73 states [2021-07-14 18:51:09,586 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 18:51:09,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2021-07-14 18:51:09,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=348, Invalid=4908, Unknown=0, NotChecked=0, Total=5256 [2021-07-14 18:51:09,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:51:09,587 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 18:51:09,587 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 73 states, 73 states have (on average 1.8356164383561644) internal successors, (134), 73 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 18:51:09,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:51:09,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:51:09,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 18:51:09,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:51:09,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 18:51:09,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:51:09,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 18:51:09,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 18:51:09,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-07-14 18:51:09,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 18:51:09,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-07-14 18:51:09,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:51:09,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 18:51:09,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 18:51:09,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-14 18:51:09,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 18:51:09,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:51:17,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:51:17,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:51:17,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 18:51:17,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:51:17,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 18:51:17,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:51:17,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 18:51:17,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 18:51:17,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-14 18:51:17,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 18:51:17,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-07-14 18:51:17,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:51:17,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 18:51:17,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 18:51:17,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-14 18:51:17,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 18:51:18,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2021-07-14 18:51:18,200 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2021-07-14 18:51:18,201 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 18:51:18,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 18:51:18,201 INFO L82 PathProgramCache]: Analyzing trace with hash -1667642223, now seen corresponding path program 18 times [2021-07-14 18:51:18,201 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 18:51:18,201 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808106074] [2021-07-14 18:51:18,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 18:51:18,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:51:18,257 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 121 proven. 137 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-14 18:51:18,257 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 18:51:18,257 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808106074] [2021-07-14 18:51:18,257 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808106074] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:51:18,257 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1906721865] [2021-07-14 18:51:18,257 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 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 18:51:18,297 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2021-07-14 18:51:18,297 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 18:51:18,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 20 conjunts are in the unsatisfiable core [2021-07-14 18:51:18,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 18:51:18,404 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 121 proven. 135 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 18:51:18,404 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1906721865] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:51:18,404 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 18:51:18,404 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11] total 12 [2021-07-14 18:51:18,404 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415551606] [2021-07-14 18:51:18,404 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-14 18:51:18,404 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 18:51:18,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-14 18:51:18,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2021-07-14 18:51:18,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:51:18,405 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 18:51:18,405 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 6.25) internal successors, (75), 12 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 18:51:18,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:51:18,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:51:18,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 18:51:18,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:51:18,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 18:51:18,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:51:18,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 18:51:18,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 18:51:18,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-07-14 18:51:18,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 18:51:18,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-07-14 18:51:18,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:51:18,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 18:51:18,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 18:51:18,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-14 18:51:18,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 18:51:18,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2021-07-14 18:51:18,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:51:18,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:51:18,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:51:18,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 18:51:18,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:51:18,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 18:51:18,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:51:18,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 18:51:18,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 18:51:18,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-14 18:51:18,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 18:51:18,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-07-14 18:51:18,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:51:18,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 18:51:18,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 18:51:18,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-14 18:51:18,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 18:51:18,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2021-07-14 18:51:18,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 18:51:18,714 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2021-07-14 18:51:18,714 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 18:51:18,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 18:51:18,714 INFO L82 PathProgramCache]: Analyzing trace with hash 1137252019, now seen corresponding path program 19 times [2021-07-14 18:51:18,714 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 18:51:18,714 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631973490] [2021-07-14 18:51:18,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 18:51:18,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:51:19,517 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 1 proven. 288 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 18:51:19,518 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 18:51:19,518 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631973490] [2021-07-14 18:51:19,518 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631973490] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:51:19,518 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1554584806] [2021-07-14 18:51:19,518 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 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 18:51:19,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:51:19,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 77 conjunts are in the unsatisfiable core [2021-07-14 18:51:19,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 18:51:22,266 INFO L354 Elim1Store]: treesize reduction 432, result has 0.2 percent of original size [2021-07-14 18:51:22,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 114 treesize of output 42 [2021-07-14 18:51:22,268 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 18:51:22,271 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 18:51:22,272 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 18:51:22,272 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:117, output treesize:10 [2021-07-14 18:51:22,410 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 1 proven. 289 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 18:51:22,410 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1554584806] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:51:22,410 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 18:51:22,410 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 43] total 81 [2021-07-14 18:51:22,410 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039953203] [2021-07-14 18:51:22,411 INFO L462 AbstractCegarLoop]: Interpolant automaton has 81 states [2021-07-14 18:51:22,411 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 18:51:22,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2021-07-14 18:51:22,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=404, Invalid=6076, Unknown=0, NotChecked=0, Total=6480 [2021-07-14 18:51:22,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:51:22,412 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 18:51:22,412 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 81 states, 81 states have (on average 1.8024691358024691) internal successors, (146), 81 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 18:51:22,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:51:22,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:51:22,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 18:51:22,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:51:22,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 18:51:22,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:51:22,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 18:51:22,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 18:51:22,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-07-14 18:51:22,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 18:51:22,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-07-14 18:51:22,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:51:22,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 18:51:22,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 18:51:22,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-14 18:51:22,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 18:51:22,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2021-07-14 18:51:22,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 18:51:22,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:51:32,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:51:32,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:51:32,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 18:51:32,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:51:32,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 18:51:32,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:51:32,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 18:51:32,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 18:51:32,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-14 18:51:32,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 18:51:32,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-07-14 18:51:32,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:51:32,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 18:51:32,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 18:51:32,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-14 18:51:32,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 18:51:32,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2021-07-14 18:51:32,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 18:51:32,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2021-07-14 18:51:32,426 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2021-07-14 18:51:32,426 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 18:51:32,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 18:51:32,427 INFO L82 PathProgramCache]: Analyzing trace with hash -1283536470, now seen corresponding path program 20 times [2021-07-14 18:51:32,427 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 18:51:32,427 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574658538] [2021-07-14 18:51:32,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 18:51:32,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:51:32,490 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 149 proven. 168 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-14 18:51:32,490 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 18:51:32,490 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574658538] [2021-07-14 18:51:32,490 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574658538] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:51:32,490 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1422691178] [2021-07-14 18:51:32,490 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 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 [2021-07-14 18:51:32,530 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 18:51:32,530 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 18:51:32,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-14 18:51:32,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 18:51:32,618 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 149 proven. 166 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 18:51:32,618 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1422691178] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:51:32,618 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 18:51:32,619 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 13 [2021-07-14 18:51:32,619 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033003063] [2021-07-14 18:51:32,619 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-14 18:51:32,619 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 18:51:32,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-14 18:51:32,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2021-07-14 18:51:32,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:51:32,619 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 18:51:32,619 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 6.230769230769231) internal successors, (81), 13 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 18:51:32,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:51:32,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:51:32,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 18:51:32,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:51:32,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 18:51:32,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:51:32,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 18:51:32,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 18:51:32,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-07-14 18:51:32,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 18:51:32,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-07-14 18:51:32,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:51:32,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 18:51:32,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 18:51:32,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-14 18:51:32,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 18:51:32,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2021-07-14 18:51:32,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 18:51:32,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2021-07-14 18:51:32,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:51:32,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:51:32,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:51:32,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 18:51:32,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:51:32,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 18:51:32,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:51:32,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 18:51:32,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 18:51:32,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-14 18:51:32,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 18:51:32,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-07-14 18:51:32,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:51:32,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 18:51:32,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 18:51:32,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-14 18:51:32,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 18:51:32,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2021-07-14 18:51:32,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 18:51:32,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2021-07-14 18:51:32,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 18:51:32,965 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2021-07-14 18:51:32,965 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 18:51:32,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 18:51:32,965 INFO L82 PathProgramCache]: Analyzing trace with hash -1893567924, now seen corresponding path program 21 times [2021-07-14 18:51:32,966 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 18:51:32,966 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944676484] [2021-07-14 18:51:32,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 18:51:32,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:51:33,959 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 1 proven. 350 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 18:51:33,959 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 18:51:33,959 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944676484] [2021-07-14 18:51:33,959 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944676484] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:51:33,959 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [364506900] [2021-07-14 18:51:33,959 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 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 [2021-07-14 18:51:34,002 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2021-07-14 18:51:34,002 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 18:51:34,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 83 conjunts are in the unsatisfiable core [2021-07-14 18:51:34,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 18:51:37,401 INFO L354 Elim1Store]: treesize reduction 522, result has 0.2 percent of original size [2021-07-14 18:51:37,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 122 treesize of output 46 [2021-07-14 18:51:37,404 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 18:51:37,408 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 18:51:37,408 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 18:51:37,408 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:125, output treesize:10 [2021-07-14 18:51:37,559 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 1 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 18:51:37,559 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [364506900] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:51:37,559 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 18:51:37,559 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 47] total 89 [2021-07-14 18:51:37,559 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540797273] [2021-07-14 18:51:37,560 INFO L462 AbstractCegarLoop]: Interpolant automaton has 89 states [2021-07-14 18:51:37,560 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 18:51:37,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2021-07-14 18:51:37,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=460, Invalid=7372, Unknown=0, NotChecked=0, Total=7832 [2021-07-14 18:51:37,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:51:37,561 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 18:51:37,561 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 89 states, 89 states have (on average 1.7752808988764044) internal successors, (158), 89 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 18:51:37,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:51:37,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:51:37,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 18:51:37,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:51:37,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 18:51:37,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:51:37,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 18:51:37,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 18:51:37,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-07-14 18:51:37,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 18:51:37,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-07-14 18:51:37,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:51:37,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 18:51:37,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 18:51:37,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-14 18:51:37,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 18:51:37,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2021-07-14 18:51:37,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 18:51:37,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2021-07-14 18:51:37,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 18:51:37,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:51:49,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:51:49,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:51:49,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 18:51:49,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:51:49,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 18:51:49,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:51:49,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 18:51:49,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 18:51:49,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-14 18:51:49,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 18:51:49,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-07-14 18:51:49,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:51:49,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 18:51:49,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 18:51:49,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-14 18:51:49,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 18:51:49,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2021-07-14 18:51:49,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 18:51:49,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2021-07-14 18:51:49,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 18:51:49,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2021-07-14 18:51:50,088 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,22 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 18:51:50,089 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 18:51:50,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 18:51:50,089 INFO L82 PathProgramCache]: Analyzing trace with hash 657005425, now seen corresponding path program 22 times [2021-07-14 18:51:50,089 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 18:51:50,089 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104530534] [2021-07-14 18:51:50,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 18:51:50,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:51:50,166 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 180 proven. 202 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-14 18:51:50,166 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 18:51:50,166 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104530534] [2021-07-14 18:51:50,166 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104530534] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:51:50,166 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [4249653] [2021-07-14 18:51:50,166 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-07-14 18:51:50,232 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 18:51:50,232 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 18:51:50,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 24 conjunts are in the unsatisfiable core [2021-07-14 18:51:50,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 18:51:50,333 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 180 proven. 200 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 18:51:50,333 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [4249653] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:51:50,333 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 18:51:50,333 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13] total 14 [2021-07-14 18:51:50,333 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136880746] [2021-07-14 18:51:50,333 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-14 18:51:50,333 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 18:51:50,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-14 18:51:50,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=91, Unknown=0, NotChecked=0, Total=182 [2021-07-14 18:51:50,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:51:50,334 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 18:51:50,334 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 6.214285714285714) internal successors, (87), 14 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 18:51:50,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:51:50,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:51:50,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 18:51:50,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:51:50,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 18:51:50,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:51:50,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 18:51:50,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 18:51:50,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-07-14 18:51:50,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 18:51:50,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-07-14 18:51:50,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:51:50,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 18:51:50,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 18:51:50,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-14 18:51:50,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 18:51:50,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2021-07-14 18:51:50,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 18:51:50,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2021-07-14 18:51:50,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 18:51:50,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states. [2021-07-14 18:51:50,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:51:50,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:51:50,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:51:50,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 18:51:50,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:51:50,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 18:51:50,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:51:50,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 18:51:50,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 18:51:50,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-14 18:51:50,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 18:51:50,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-07-14 18:51:50,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:51:50,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 18:51:50,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 18:51:50,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-14 18:51:50,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 18:51:50,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2021-07-14 18:51:50,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 18:51:50,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2021-07-14 18:51:50,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 18:51:50,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2021-07-14 18:51:50,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 18:51:50,677 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 18:51:50,677 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 18:51:50,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 18:51:50,678 INFO L82 PathProgramCache]: Analyzing trace with hash 220218003, now seen corresponding path program 23 times [2021-07-14 18:51:50,678 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 18:51:50,678 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748126600] [2021-07-14 18:51:50,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 18:51:50,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:51:51,846 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 1 proven. 418 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 18:51:51,846 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 18:51:51,846 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748126600] [2021-07-14 18:51:51,846 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748126600] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:51:51,846 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [513807065] [2021-07-14 18:51:51,846 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 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 [2021-07-14 18:51:51,892 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2021-07-14 18:51:51,892 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 18:51:51,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 91 conjunts are in the unsatisfiable core [2021-07-14 18:51:51,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 18:51:56,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,904 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 18:51:56,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,923 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 18:51:56,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,931 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 18:51:56,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,941 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 18:51:56,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,950 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 18:51:56,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,957 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 18:51:56,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,970 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 18:51:56,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,972 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 18:51:56,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,975 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 18:51:56,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,977 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 18:51:56,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:51:56,979 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 18:51:56,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 55 disjoint index pairs (out of 231 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 134 treesize of output 50 [2021-07-14 18:51:56,982 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 18:51:56,987 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 18:51:56,988 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 18:51:56,988 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:145, output treesize:10 [2021-07-14 18:51:57,156 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 1 proven. 419 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 18:51:57,157 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [513807065] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:51:57,157 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 18:51:57,157 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 51] total 97 [2021-07-14 18:51:57,157 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147357469] [2021-07-14 18:51:57,157 INFO L462 AbstractCegarLoop]: Interpolant automaton has 97 states [2021-07-14 18:51:57,157 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 18:51:57,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2021-07-14 18:51:57,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=517, Invalid=8795, Unknown=0, NotChecked=0, Total=9312 [2021-07-14 18:51:57,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:51:57,159 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 18:51:57,159 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 97 states, 97 states have (on average 1.7525773195876289) internal successors, (170), 97 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 18:51:57,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:51:57,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:51:57,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 18:51:57,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:51:57,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 18:51:57,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:51:57,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 18:51:57,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 18:51:57,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-07-14 18:51:57,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 18:51:57,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-07-14 18:51:57,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:51:57,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 18:51:57,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 18:51:57,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-14 18:51:57,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 18:51:57,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2021-07-14 18:51:57,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 18:51:57,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2021-07-14 18:51:57,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 18:51:57,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states. [2021-07-14 18:51:57,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 18:51:57,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:52:14,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:52:14,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:52:14,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 18:52:14,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:52:14,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 18:52:14,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:52:14,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 18:52:14,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 18:52:14,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-14 18:52:14,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 18:52:14,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-07-14 18:52:14,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:52:14,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 18:52:14,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 18:52:14,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-14 18:52:14,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 18:52:14,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2021-07-14 18:52:14,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 18:52:14,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2021-07-14 18:52:14,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 18:52:14,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2021-07-14 18:52:14,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 18:52:14,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2021-07-14 18:52:14,745 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2021-07-14 18:52:14,745 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 18:52:14,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 18:52:14,745 INFO L82 PathProgramCache]: Analyzing trace with hash -356937270, now seen corresponding path program 24 times [2021-07-14 18:52:14,745 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 18:52:14,745 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618629073] [2021-07-14 18:52:14,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 18:52:14,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:52:14,832 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 214 proven. 239 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-14 18:52:14,832 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 18:52:14,832 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618629073] [2021-07-14 18:52:14,832 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618629073] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:52:14,832 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2001553729] [2021-07-14 18:52:14,832 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 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 [2021-07-14 18:52:14,877 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 13 check-sat command(s) [2021-07-14 18:52:14,877 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 18:52:14,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 26 conjunts are in the unsatisfiable core [2021-07-14 18:52:14,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 18:52:14,989 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 214 proven. 237 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 18:52:14,989 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2001553729] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:52:14,989 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 18:52:14,989 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14] total 15 [2021-07-14 18:52:14,989 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693346472] [2021-07-14 18:52:14,990 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-14 18:52:14,990 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 18:52:14,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-14 18:52:14,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=105, Unknown=0, NotChecked=0, Total=210 [2021-07-14 18:52:14,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:52:14,990 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 18:52:14,990 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 6.2) internal successors, (93), 15 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 18:52:14,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:52:14,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:52:14,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 18:52:14,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:52:14,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 18:52:14,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:52:14,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 18:52:14,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 18:52:14,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-07-14 18:52:14,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 18:52:14,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-07-14 18:52:14,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:52:14,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 18:52:14,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 18:52:14,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-14 18:52:14,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 18:52:14,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2021-07-14 18:52:14,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 18:52:14,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2021-07-14 18:52:14,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 18:52:14,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states. [2021-07-14 18:52:14,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 18:52:14,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states. [2021-07-14 18:52:14,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:52:15,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:52:15,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:52:15,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 18:52:15,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:52:15,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 18:52:15,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:52:15,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 18:52:15,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 18:52:15,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-14 18:52:15,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 18:52:15,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-07-14 18:52:15,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:52:15,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 18:52:15,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 18:52:15,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-14 18:52:15,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 18:52:15,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2021-07-14 18:52:15,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 18:52:15,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2021-07-14 18:52:15,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 18:52:15,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2021-07-14 18:52:15,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 18:52:15,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2021-07-14 18:52:15,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 18:52:15,348 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 18:52:15,348 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 18:52:15,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 18:52:15,348 INFO L82 PathProgramCache]: Analyzing trace with hash 1426806636, now seen corresponding path program 25 times [2021-07-14 18:52:15,348 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 18:52:15,348 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397462306] [2021-07-14 18:52:15,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 18:52:15,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:52:16,749 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 1 proven. 492 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 18:52:16,749 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 18:52:16,749 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397462306] [2021-07-14 18:52:16,749 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397462306] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:52:16,749 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1325351482] [2021-07-14 18:52:16,749 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 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 [2021-07-14 18:52:16,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:52:16,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 101 conjunts are in the unsatisfiable core [2021-07-14 18:52:16,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 18:52:21,834 INFO L354 Elim1Store]: treesize reduction 792, result has 0.1 percent of original size [2021-07-14 18:52:21,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 150 treesize of output 54 [2021-07-14 18:52:21,836 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 18:52:21,840 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 18:52:21,840 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 18:52:21,840 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:153, output treesize:10 [2021-07-14 18:52:22,004 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 1 proven. 493 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 18:52:22,004 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1325351482] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:52:22,004 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 18:52:22,004 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [54, 55] total 105 [2021-07-14 18:52:22,004 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805931437] [2021-07-14 18:52:22,005 INFO L462 AbstractCegarLoop]: Interpolant automaton has 105 states [2021-07-14 18:52:22,005 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 18:52:22,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 105 interpolants. [2021-07-14 18:52:22,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=581, Invalid=10339, Unknown=0, NotChecked=0, Total=10920 [2021-07-14 18:52:22,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:52:22,007 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 18:52:22,007 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 105 states, 105 states have (on average 1.7333333333333334) internal successors, (182), 105 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) [2021-07-14 18:52:22,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:52:22,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:52:22,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 18:52:22,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:52:22,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 18:52:22,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:52:22,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 18:52:22,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 18:52:22,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-07-14 18:52:22,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 18:52:22,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-07-14 18:52:22,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:52:22,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 18:52:22,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 18:52:22,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-14 18:52:22,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 18:52:22,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2021-07-14 18:52:22,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 18:52:22,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2021-07-14 18:52:22,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 18:52:22,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states. [2021-07-14 18:52:22,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 18:52:22,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states. [2021-07-14 18:52:22,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 18:52:22,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:52:39,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:52:39,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:52:39,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 18:52:39,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:52:39,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 18:52:39,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:52:39,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 18:52:39,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 18:52:39,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-14 18:52:39,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 18:52:39,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-07-14 18:52:39,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:52:39,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 18:52:39,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 18:52:39,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-14 18:52:39,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 18:52:39,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2021-07-14 18:52:39,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 18:52:39,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2021-07-14 18:52:39,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 18:52:39,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2021-07-14 18:52:39,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 18:52:39,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2021-07-14 18:52:39,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 18:52:39,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2021-07-14 18:52:39,959 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2021-07-14 18:52:39,959 INFO L430 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 18:52:39,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 18:52:39,959 INFO L82 PathProgramCache]: Analyzing trace with hash 543728209, now seen corresponding path program 26 times [2021-07-14 18:52:39,959 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 18:52:39,960 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910307852] [2021-07-14 18:52:39,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 18:52:39,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:52:40,052 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 251 proven. 279 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-14 18:52:40,053 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 18:52:40,053 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910307852] [2021-07-14 18:52:40,053 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [910307852] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:52:40,053 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [53557291] [2021-07-14 18:52:40,053 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 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 [2021-07-14 18:52:40,107 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 18:52:40,108 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 18:52:40,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 28 conjunts are in the unsatisfiable core [2021-07-14 18:52:40,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 18:52:40,228 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 251 proven. 277 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 18:52:40,229 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [53557291] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:52:40,229 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 18:52:40,229 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15] total 16 [2021-07-14 18:52:40,229 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316026615] [2021-07-14 18:52:40,229 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-14 18:52:40,229 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 18:52:40,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-14 18:52:40,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2021-07-14 18:52:40,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:52:40,230 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 18:52:40,230 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 6.1875) internal successors, (99), 16 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 18:52:40,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:52:40,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:52:40,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 18:52:40,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:52:40,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 18:52:40,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:52:40,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 18:52:40,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 18:52:40,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-07-14 18:52:40,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 18:52:40,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-07-14 18:52:40,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:52:40,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 18:52:40,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 18:52:40,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-14 18:52:40,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 18:52:40,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2021-07-14 18:52:40,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 18:52:40,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2021-07-14 18:52:40,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 18:52:40,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states. [2021-07-14 18:52:40,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 18:52:40,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states. [2021-07-14 18:52:40,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 18:52:40,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 176 states. [2021-07-14 18:52:40,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:52:40,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:52:40,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:52:40,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 18:52:40,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:52:40,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 18:52:40,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:52:40,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 18:52:40,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 18:52:40,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-14 18:52:40,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 18:52:40,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-07-14 18:52:40,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:52:40,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 18:52:40,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 18:52:40,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-14 18:52:40,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 18:52:40,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2021-07-14 18:52:40,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 18:52:40,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2021-07-14 18:52:40,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 18:52:40,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2021-07-14 18:52:40,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 18:52:40,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2021-07-14 18:52:40,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 18:52:40,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2021-07-14 18:52:40,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 18:52:40,616 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,27 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 18:52:40,616 INFO L430 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 18:52:40,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 18:52:40,617 INFO L82 PathProgramCache]: Analyzing trace with hash 1866737267, now seen corresponding path program 27 times [2021-07-14 18:52:40,617 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 18:52:40,617 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546503978] [2021-07-14 18:52:40,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 18:52:40,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:52:42,211 INFO L134 CoverageAnalysis]: Checked inductivity of 574 backedges. 1 proven. 572 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 18:52:42,211 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 18:52:42,211 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546503978] [2021-07-14 18:52:42,211 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546503978] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:52:42,211 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1789266403] [2021-07-14 18:52:42,212 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 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 [2021-07-14 18:52:42,265 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2021-07-14 18:52:42,265 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 18:52:42,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 107 conjunts are in the unsatisfiable core [2021-07-14 18:52:42,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 18:52:48,229 INFO L354 Elim1Store]: treesize reduction 912, result has 0.1 percent of original size [2021-07-14 18:52:48,230 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 78 case distinctions, treesize of input 158 treesize of output 58 [2021-07-14 18:52:48,232 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 18:52:48,235 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 18:52:48,235 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 18:52:48,235 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:161, output treesize:10 [2021-07-14 18:52:48,417 INFO L134 CoverageAnalysis]: Checked inductivity of 574 backedges. 1 proven. 573 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 18:52:48,417 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1789266403] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:52:48,418 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 18:52:48,418 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [58, 59] total 113 [2021-07-14 18:52:48,418 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238735180] [2021-07-14 18:52:48,418 INFO L462 AbstractCegarLoop]: Interpolant automaton has 113 states [2021-07-14 18:52:48,418 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 18:52:48,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 113 interpolants. [2021-07-14 18:52:48,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=646, Invalid=12010, Unknown=0, NotChecked=0, Total=12656 [2021-07-14 18:52:48,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:52:48,420 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 18:52:48,420 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 113 states, 113 states have (on average 1.7168141592920354) internal successors, (194), 113 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) [2021-07-14 18:52:48,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:52:48,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:52:48,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 18:52:48,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:52:48,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 18:52:48,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:52:48,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 18:52:48,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 18:52:48,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-07-14 18:52:48,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 18:52:48,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-07-14 18:52:48,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:52:48,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 18:52:48,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 18:52:48,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-14 18:52:48,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 18:52:48,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2021-07-14 18:52:48,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 18:52:48,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2021-07-14 18:52:48,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 18:52:48,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states. [2021-07-14 18:52:48,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 18:52:48,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states. [2021-07-14 18:52:48,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 18:52:48,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 176 states. [2021-07-14 18:52:48,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 18:52:48,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:53:08,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:53:08,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:53:08,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 18:53:08,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:53:08,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 18:53:08,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:53:08,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 18:53:08,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 18:53:08,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-14 18:53:08,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 18:53:08,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-07-14 18:53:08,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:53:08,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 18:53:08,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 18:53:08,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-14 18:53:08,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 18:53:08,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2021-07-14 18:53:08,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 18:53:08,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2021-07-14 18:53:08,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 18:53:08,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2021-07-14 18:53:08,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 18:53:08,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2021-07-14 18:53:08,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 18:53:08,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2021-07-14 18:53:08,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 18:53:08,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2021-07-14 18:53:09,067 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable52 [2021-07-14 18:53:09,068 INFO L430 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 18:53:09,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 18:53:09,068 INFO L82 PathProgramCache]: Analyzing trace with hash -1723031062, now seen corresponding path program 28 times [2021-07-14 18:53:09,068 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 18:53:09,068 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145734348] [2021-07-14 18:53:09,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 18:53:09,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:53:09,169 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 291 proven. 322 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-14 18:53:09,169 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 18:53:09,169 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145734348] [2021-07-14 18:53:09,169 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145734348] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:53:09,169 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [583285861] [2021-07-14 18:53:09,169 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 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 [2021-07-14 18:53:09,228 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 18:53:09,228 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 18:53:09,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 30 conjunts are in the unsatisfiable core [2021-07-14 18:53:09,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 18:53:09,351 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 291 proven. 320 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 18:53:09,351 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [583285861] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:53:09,351 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 18:53:09,351 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 17 [2021-07-14 18:53:09,351 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392406221] [2021-07-14 18:53:09,351 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-14 18:53:09,351 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 18:53:09,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-14 18:53:09,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2021-07-14 18:53:09,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:53:09,352 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 18:53:09,352 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 6.176470588235294) internal successors, (105), 17 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 18:53:09,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:53:09,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:53:09,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 18:53:09,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:53:09,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 18:53:09,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:53:09,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 18:53:09,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 18:53:09,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-07-14 18:53:09,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 18:53:09,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-07-14 18:53:09,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:53:09,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 18:53:09,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 18:53:09,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-14 18:53:09,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 18:53:09,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2021-07-14 18:53:09,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 18:53:09,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2021-07-14 18:53:09,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 18:53:09,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states. [2021-07-14 18:53:09,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 18:53:09,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states. [2021-07-14 18:53:09,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 18:53:09,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 176 states. [2021-07-14 18:53:09,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 18:53:09,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 190 states. [2021-07-14 18:53:09,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:53:09,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:53:09,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:53:09,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 18:53:09,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:53:09,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 18:53:09,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:53:09,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 18:53:09,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 18:53:09,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-14 18:53:09,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 18:53:09,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-07-14 18:53:09,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:53:09,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 18:53:09,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 18:53:09,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-14 18:53:09,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 18:53:09,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2021-07-14 18:53:09,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 18:53:09,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2021-07-14 18:53:09,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 18:53:09,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2021-07-14 18:53:09,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 18:53:09,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2021-07-14 18:53:09,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 18:53:09,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2021-07-14 18:53:09,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 18:53:09,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2021-07-14 18:53:09,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 18:53:09,770 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55,29 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 18:53:09,770 INFO L430 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 18:53:09,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 18:53:09,771 INFO L82 PathProgramCache]: Analyzing trace with hash -720829300, now seen corresponding path program 29 times [2021-07-14 18:53:09,771 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 18:53:09,771 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701524020] [2021-07-14 18:53:09,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 18:53:09,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:53:11,632 INFO L134 CoverageAnalysis]: Checked inductivity of 660 backedges. 1 proven. 658 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 18:53:11,632 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 18:53:11,632 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701524020] [2021-07-14 18:53:11,632 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701524020] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:53:11,632 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [933775777] [2021-07-14 18:53:11,632 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 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 [2021-07-14 18:53:11,722 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2021-07-14 18:53:11,722 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 18:53:11,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 118 conjunts are in the unsatisfiable core [2021-07-14 18:53:11,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 18:53:21,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 18:53:21,455 INFO L244 Elim1Store]: Index analysis took 244 ms [2021-07-14 18:53:22,822 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 490 [2021-07-14 18:53:22,823 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 18:53:22,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 28 select indices, 28 select index equivalence classes, 273 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 105 case distinctions, treesize of input 170 treesize of output 1292 [2021-07-14 18:53:23,710 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 447 DAG size of output: 447 [2021-07-14 18:53:23,887 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 524 [2021-07-14 18:53:24,156 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 596 DAG size of output: 596 [2021-07-14 18:53:24,532 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 688 DAG size of output: 688 [2021-07-14 18:53:25,017 WARN L205 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 782 DAG size of output: 782 [2021-07-14 18:53:25,499 WARN L205 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 782 DAG size of output: 782 [2021-07-14 18:53:26,054 WARN L205 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 797 DAG size of output: 797 [2021-07-14 18:53:26,647 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 455 DAG size of output: 455 [2021-07-14 18:53:26,838 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 526 [2021-07-14 18:53:27,208 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 614 DAG size of output: 726 [2021-07-14 18:53:27,764 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 467 DAG size of output: 460 [2021-07-14 18:53:27,937 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 509 DAG size of output: 502 [2021-07-14 18:53:28,501 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 659 DAG size of output: 650 [2021-07-14 18:53:28,897 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 445 [2021-07-14 18:53:29,492 WARN L205 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 797 DAG size of output: 783 [2021-07-14 18:53:30,291 WARN L205 SmtUtils]: Spent 793.00 ms on a formula simplification. DAG size of input: 1099 DAG size of output: 1094 [2021-07-14 18:53:31,560 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 1264 DAG size of output: 1259 [2021-07-14 18:53:32,089 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 473 DAG size of output: 473 [2021-07-14 18:53:32,283 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 556 DAG size of output: 556 [2021-07-14 18:53:32,545 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 649 DAG size of output: 649 [2021-07-14 18:53:34,513 WARN L205 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 1539 DAG size of output: 1533 [2021-07-14 18:53:36,440 WARN L205 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 1539 DAG size of output: 1533 [2021-07-14 18:53:38,920 WARN L205 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 1549 DAG size of output: 1543 [2021-07-14 18:53:42,247 WARN L205 SmtUtils]: Spent 3.32 s on a formula simplification. DAG size of input: 1545 DAG size of output: 1668 [2021-07-14 18:53:44,689 WARN L205 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 1507 DAG size of output: 1706 [2021-07-14 18:53:45,040 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 1456 DAG size of output: 1456 [2021-07-14 18:53:45,377 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 433 DAG size of output: 520 [2021-07-14 18:53:45,917 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 444 [2021-07-14 18:53:46,136 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 618 DAG size of output: 618 [2021-07-14 18:53:46,801 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 699 DAG size of output: 699 [2021-07-14 18:53:47,459 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 476 DAG size of output: 473 [2021-07-14 18:53:47,645 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 526 DAG size of output: 523 [2021-07-14 18:53:48,245 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 389 [2021-07-14 18:53:48,482 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 539 [2021-07-14 18:53:48,940 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 436 [2021-07-14 18:53:49,397 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 564 DAG size of output: 560 [2021-07-14 18:53:50,316 WARN L205 SmtUtils]: Spent 915.00 ms on a formula simplification. DAG size of input: 940 DAG size of output: 932 [2021-07-14 18:53:50,671 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 576 DAG size of output: 630 [2021-07-14 18:53:51,468 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 574 [2021-07-14 18:53:51,957 WARN L205 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 710 DAG size of output: 703 [2021-07-14 18:53:53,760 WARN L205 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 1296 DAG size of output: 1289 [2021-07-14 18:53:56,601 WARN L205 SmtUtils]: Spent 2.84 s on a formula simplification. DAG size of input: 1575 DAG size of output: 1576 [2021-07-14 18:53:57,061 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 423 DAG size of output: 422 [2021-07-14 18:53:57,276 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 537 DAG size of output: 619 [2021-07-14 18:53:57,735 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 419 [2021-07-14 18:53:58,549 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 650 DAG size of output: 638 [2021-07-14 18:53:59,073 WARN L205 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 862 DAG size of output: 860 [2021-07-14 18:53:59,936 WARN L205 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 980 DAG size of output: 976 [2021-07-14 18:54:04,543 WARN L205 SmtUtils]: Spent 4.60 s on a formula simplification. DAG size of input: 2110 DAG size of output: 2113 [2021-07-14 18:54:11,914 WARN L205 SmtUtils]: Spent 7.36 s on a formula simplification. DAG size of input: 2677 DAG size of output: 2714 [2021-07-14 18:54:22,767 WARN L205 SmtUtils]: Spent 10.84 s on a formula simplification. DAG size of input: 3251 DAG size of output: 3364 [2021-07-14 18:54:33,629 WARN L205 SmtUtils]: Spent 10.84 s on a formula simplification. DAG size of input: 3251 DAG size of output: 3364 [2021-07-14 18:54:47,497 WARN L205 SmtUtils]: Spent 13.80 s on a formula simplification. DAG size of input: 3270 DAG size of output: 3376 [2021-07-14 18:55:13,693 WARN L205 SmtUtils]: Spent 26.17 s on a formula simplification. DAG size of input: 3378 DAG size of output: 4314 [2021-07-14 18:55:30,616 WARN L205 SmtUtils]: Spent 16.88 s on a formula simplification. DAG size of input: 3146 DAG size of output: 3666 [2021-07-14 18:55:43,047 WARN L205 SmtUtils]: Spent 12.40 s on a formula simplification. DAG size of input: 2843 DAG size of output: 3252 [2021-07-14 18:55:51,589 WARN L205 SmtUtils]: Spent 8.52 s on a formula simplification. DAG size of input: 2604 DAG size of output: 3177 [2021-07-14 18:55:58,203 WARN L205 SmtUtils]: Spent 6.60 s on a formula simplification. DAG size of input: 2373 DAG size of output: 2716 [2021-07-14 18:56:09,417 WARN L205 SmtUtils]: Spent 11.19 s on a formula simplification. DAG size of input: 2368 DAG size of output: 3518 [2021-07-14 18:56:10,278 WARN L205 SmtUtils]: Spent 846.00 ms on a formula simplification. DAG size of input: 1720 DAG size of output: 1720 [2021-07-14 18:56:10,900 WARN L205 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 1523 DAG size of output: 1523 [2021-07-14 18:56:11,062 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 1263 [2021-07-14 18:56:11,229 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 831 DAG size of output: 831 [2021-07-14 18:56:11,615 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 437 DAG size of output: 430 [2021-07-14 18:56:11,784 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 470 [2021-07-14 18:56:11,974 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 478 DAG size of output: 478 [2021-07-14 18:56:12,388 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 514 [2021-07-14 18:56:13,388 WARN L205 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 1070 DAG size of output: 1067 [2021-07-14 18:56:14,302 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 763 DAG size of output: 767 [2021-07-14 18:56:15,208 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 565 [2021-07-14 18:56:15,721 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 853 DAG size of output: 859 [2021-07-14 18:56:17,704 WARN L205 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 1814 DAG size of output: 1805 [2021-07-14 18:56:17,825 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 864 DAG size of output: 864 [2021-07-14 18:56:18,261 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 576 [2021-07-14 18:56:18,938 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 622 DAG size of output: 623 [2021-07-14 18:56:20,508 WARN L205 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 787 DAG size of output: 810 [2021-07-14 18:56:21,614 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 1266 DAG size of output: 1289 [2021-07-14 18:56:25,714 WARN L205 SmtUtils]: Spent 4.09 s on a formula simplification. DAG size of input: 2339 DAG size of output: 2344 [2021-07-14 18:56:26,338 WARN L205 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 886 DAG size of output: 1106 [2021-07-14 18:56:26,704 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 355 DAG size of output: 354 [2021-07-14 18:56:27,109 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 374 DAG size of output: 376 [2021-07-14 18:56:27,490 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 589 [2021-07-14 18:56:28,616 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 1246 DAG size of output: 1248 [2021-07-14 18:56:35,250 WARN L205 SmtUtils]: Spent 6.63 s on a formula simplification. DAG size of input: 2800 DAG size of output: 2780 [2021-07-14 18:56:48,998 WARN L205 SmtUtils]: Spent 13.73 s on a formula simplification. DAG size of input: 4618 DAG size of output: 4593 [2021-07-14 18:57:12,285 WARN L205 SmtUtils]: Spent 23.26 s on a formula simplification. DAG size of input: 5650 DAG size of output: 5750 [2021-07-14 18:57:47,331 WARN L205 SmtUtils]: Spent 35.01 s on a formula simplification. DAG size of input: 7100 DAG size of output: 7199 [2021-07-14 18:58:37,976 WARN L205 SmtUtils]: Spent 50.60 s on a formula simplification. DAG size of input: 8557 DAG size of output: 8694 [2021-07-14 18:59:52,928 WARN L205 SmtUtils]: Spent 1.25 m on a formula simplification. DAG size of input: 10231 DAG size of output: 10575 [2021-07-14 19:01:36,057 WARN L205 SmtUtils]: Spent 1.72 m on a formula simplification. DAG size of input: 11928 DAG size of output: 12462 [2021-07-14 19:03:17,567 WARN L205 SmtUtils]: Spent 1.69 m on a formula simplification. DAG size of input: 11928 DAG size of output: 12462 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown