/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/inc-subseq-array.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 11:24:10,842 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 11:24:10,843 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 11:24:10,868 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 11:24:10,942 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-14 11:24:10,943 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-14 11:24:10,943 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-14 11:24:10,944 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe.epf [2021-07-14 11:24:10,970 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 11:24:10,970 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 11:24:10,970 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 11:24:10,970 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 11:24:10,971 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 11:24:10,971 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 11:24:10,971 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 11:24:10,972 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 11:24:10,972 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 11:24:10,972 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 11:24:10,972 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 11:24:10,972 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 11:24:10,972 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 11:24:10,972 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 11:24:10,972 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 11:24:10,972 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 11:24:10,972 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 11:24:10,973 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 11:24:10,973 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 11:24:10,973 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 11:24:10,973 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 11:24:10,973 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 11:24:10,973 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 11:24:10,973 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 11:24:10,973 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 11:24:10,973 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 11:24:10,973 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 11:24:10,974 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 11:24:10,974 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 11:24:10,974 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 11:24:10,974 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 11:24:10,974 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 11:24:10,974 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-07-14 11:24:10,974 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 11:24:11,181 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 11:24:11,210 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 11:24:11,212 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 11:24:11,213 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 11:24:11,213 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 11:24:11,214 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/inc-subseq-array.wvr.bpl [2021-07-14 11:24:11,214 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/inc-subseq-array.wvr.bpl' [2021-07-14 11:24:11,244 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 11:24:11,245 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 11:24:11,246 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 11:24:11,246 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 11:24:11,247 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 11:24:11,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:24:11" (1/1) ... [2021-07-14 11:24:11,262 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:24:11" (1/1) ... [2021-07-14 11:24:11,267 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 11:24:11,269 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 11:24:11,269 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 11:24:11,269 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 11:24:11,274 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:24:11" (1/1) ... [2021-07-14 11:24:11,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:24:11" (1/1) ... [2021-07-14 11:24:11,276 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:24:11" (1/1) ... [2021-07-14 11:24:11,276 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:24:11" (1/1) ... [2021-07-14 11:24:11,278 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:24:11" (1/1) ... [2021-07-14 11:24:11,282 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:24:11" (1/1) ... [2021-07-14 11:24:11,282 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:24:11" (1/1) ... [2021-07-14 11:24:11,283 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 11:24:11,285 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 11:24:11,285 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 11:24:11,285 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 11:24:11,287 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:24:11" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 11:24:11,343 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 11:24:11,343 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 11:24:11,343 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 11:24:11,343 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 11:24:11,343 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 11:24:11,343 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 11:24:11,343 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 11:24:11,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 11:24:11,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 11:24:11,345 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 11:24:11,523 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 11:24:11,523 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-14 11:24:11,525 INFO L202 PluginConnector]: Adding new model inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 11:24:11 BoogieIcfgContainer [2021-07-14 11:24:11,525 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 11:24:11,526 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 11:24:11,526 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 11:24:11,528 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 11:24:11,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:24:11" (1/2) ... [2021-07-14 11:24:11,528 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51dc60dd and model type inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 11:24:11, skipping insertion in model container [2021-07-14 11:24:11,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 11:24:11" (2/2) ... [2021-07-14 11:24:11,529 INFO L111 eAbstractionObserver]: Analyzing ICFG inc-subseq-array.wvr.bpl [2021-07-14 11:24:11,533 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 11:24:11,533 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 11:24:11,533 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 11:24:11,533 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 11:24:11,555 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-14 11:24:11,569 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 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 11:24:11,628 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 11:24:11,628 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 11:24:11,628 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 11:24:11,628 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 11:24:11,629 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 11:24:11,629 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 11:24:11,629 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 11:24:11,629 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 11:24:11,739 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:24:11,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:24:11,743 INFO L82 PathProgramCache]: Analyzing trace with hash 1915583138, now seen corresponding path program 1 times [2021-07-14 11:24:11,748 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:24:11,748 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202370465] [2021-07-14 11:24:11,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:24:11,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:24:11,874 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 11:24:11,875 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:24:11,876 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202370465] [2021-07-14 11:24:11,876 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202370465] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 11:24:11,876 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 11:24:11,877 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 11:24:11,877 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446811590] [2021-07-14 11:24:11,880 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 11:24:11,881 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:24:11,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 11:24:11,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 11:24:11,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:24:11,894 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:24:11,895 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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 11:24:11,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:24:11,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:24:11,922 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 11:24:11,922 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:24:11,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:24:11,923 INFO L82 PathProgramCache]: Analyzing trace with hash -734683570, now seen corresponding path program 2 times [2021-07-14 11:24:11,923 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:24:11,923 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701179332] [2021-07-14 11:24:11,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:24:11,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:24:12,016 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 11:24:12,016 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:24:12,016 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701179332] [2021-07-14 11:24:12,016 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701179332] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:24:12,016 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2054258077] [2021-07-14 11:24:12,017 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 11:24:12,053 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 11:24:12,054 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 11:24:12,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-14 11:24:12,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:24:12,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-07-14 11:24:12,229 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 11:24:12,236 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:24:12,238 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 11:24:12,238 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:7 [2021-07-14 11:24:12,268 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 11:24:12,271 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 11:24:12,275 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:24:12,276 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 11:24:12,277 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2021-07-14 11:24:12,299 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 11:24:12,300 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2054258077] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:24:12,300 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:24:12,300 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 11 [2021-07-14 11:24:12,301 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202439319] [2021-07-14 11:24:12,302 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-14 11:24:12,302 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:24:12,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-14 11:24:12,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2021-07-14 11:24:12,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:24:12,304 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:24:12,304 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 11 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 11:24:12,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:24:12,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:24:12,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:24:12,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:24:12,657 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:24:12,657 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:24:12,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:24:12,657 INFO L82 PathProgramCache]: Analyzing trace with hash 846702139, now seen corresponding path program 3 times [2021-07-14 11:24:12,658 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:24:12,658 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967252172] [2021-07-14 11:24:12,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:24:12,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:24:12,889 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:24:12,889 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:24:12,890 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967252172] [2021-07-14 11:24:12,890 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967252172] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:24:12,890 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [414813581] [2021-07-14 11:24:12,890 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 11:24:12,924 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-14 11:24:12,924 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 11:24:12,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-14 11:24:12,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:24:13,126 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:24:13,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 27 [2021-07-14 11:24:13,135 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 11:24:13,139 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:24:13,140 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 11:24:13,140 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:30, output treesize:16 [2021-07-14 11:24:13,319 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:24:13,320 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 20 treesize of output 38 [2021-07-14 11:24:13,384 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-14 11:24:13,397 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:24:13,404 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 11:24:13,405 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:29, output treesize:21 [2021-07-14 11:24:13,481 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:24:13,482 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [414813581] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:24:13,482 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:24:13,482 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15] total 27 [2021-07-14 11:24:13,483 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375595922] [2021-07-14 11:24:13,484 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-07-14 11:24:13,486 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:24:13,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-07-14 11:24:13,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=624, Unknown=0, NotChecked=0, Total=756 [2021-07-14 11:24:13,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:24:13,488 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:24:13,489 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 2.0357142857142856) internal successors, (57), 27 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 11:24:13,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:24:13,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:24:13,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:24:14,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:24:14,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:24:14,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:24:14,541 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:24:14,541 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:24:14,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:24:14,542 INFO L82 PathProgramCache]: Analyzing trace with hash 918468463, now seen corresponding path program 1 times [2021-07-14 11:24:14,542 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:24:14,542 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721370587] [2021-07-14 11:24:14,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:24:14,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:24:14,610 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 25 proven. 26 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-07-14 11:24:14,611 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:24:14,611 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721370587] [2021-07-14 11:24:14,611 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721370587] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:24:14,611 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2115617705] [2021-07-14 11:24:14,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 11:24:14,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:24:14,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-14 11:24:14,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:24:14,741 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 37 proven. 14 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-07-14 11:24:14,742 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2115617705] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:24:14,742 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:24:14,742 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-07-14 11:24:14,742 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174360890] [2021-07-14 11:24:14,742 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 11:24:14,742 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:24:14,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 11:24:14,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-07-14 11:24:14,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:24:14,743 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:24:14,743 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 6 states have internal predecessors, (48), 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 11:24:14,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:24:14,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:24:14,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:24:14,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:24:14,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:24:14,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:24:14,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:24:14,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:24:15,018 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:24:15,019 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:24:15,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:24:15,019 INFO L82 PathProgramCache]: Analyzing trace with hash 192214836, now seen corresponding path program 2 times [2021-07-14 11:24:15,019 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:24:15,019 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040655230] [2021-07-14 11:24:15,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:24:15,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:24:15,718 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-07-14 11:24:15,718 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:24:15,719 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040655230] [2021-07-14 11:24:15,719 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040655230] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:24:15,719 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [875301523] [2021-07-14 11:24:15,719 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 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 11:24:15,757 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 11:24:15,758 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 11:24:15,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 72 conjunts are in the unsatisfiable core [2021-07-14 11:24:15,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:24:17,664 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:24:17,664 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 90 treesize of output 178 [2021-07-14 11:24:17,686 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 11:24:17,874 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 94 [2021-07-14 11:24:17,875 INFO L628 ElimStorePlain]: treesize reduction 230, result has 56.4 percent of original size [2021-07-14 11:24:17,938 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 11:24:17,938 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:108, output treesize:74 [2021-07-14 11:24:18,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:18,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:18,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:18,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:18,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:18,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:18,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:18,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:18,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:18,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:18,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:18,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:18,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:18,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:18,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:18,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:18,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:18,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:18,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:18,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:18,500 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:24:18,522 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:24:18,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 7 case distinctions, treesize of input 66 treesize of output 80 [2021-07-14 11:24:18,565 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-14 11:24:18,576 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:24:18,585 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 11:24:18,585 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:85, output treesize:17 [2021-07-14 11:24:18,670 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 13 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:24:18,670 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [875301523] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:24:18,671 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:24:18,671 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 39] total 66 [2021-07-14 11:24:18,671 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545245900] [2021-07-14 11:24:18,672 INFO L462 AbstractCegarLoop]: Interpolant automaton has 67 states [2021-07-14 11:24:18,672 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:24:18,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2021-07-14 11:24:18,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=477, Invalid=3945, Unknown=0, NotChecked=0, Total=4422 [2021-07-14 11:24:18,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:24:18,674 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:24:18,674 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 67 states, 67 states have (on average 1.8208955223880596) internal successors, (122), 66 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 11:24:18,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:24:18,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:24:18,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:24:18,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:24:18,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:24:19,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:24:19,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:24:19,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:24:19,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:24:19,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 11:24:20,096 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-07-14 11:24:20,096 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:24:20,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:24:20,096 INFO L82 PathProgramCache]: Analyzing trace with hash 46782468, now seen corresponding path program 3 times [2021-07-14 11:24:20,097 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:24:20,097 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478446735] [2021-07-14 11:24:20,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:24:20,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:24:20,178 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 84 proven. 87 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-07-14 11:24:20,178 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:24:20,178 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478446735] [2021-07-14 11:24:20,178 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478446735] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:24:20,178 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1670745802] [2021-07-14 11:24:20,178 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 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 11:24:20,220 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2021-07-14 11:24:20,221 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 11:24:20,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-14 11:24:20,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:24:20,345 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 105 proven. 66 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-07-14 11:24:20,345 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1670745802] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:24:20,345 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:24:20,345 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-07-14 11:24:20,346 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320212837] [2021-07-14 11:24:20,346 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 11:24:20,346 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:24:20,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 11:24:20,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2021-07-14 11:24:20,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:24:20,346 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:24:20,347 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 7 states have internal predecessors, (58), 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 11:24:20,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:24:20,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:24:20,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:24:20,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:24:20,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 11:24:20,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:24:20,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:24:20,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:24:20,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:24:20,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:24:20,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 11:24:20,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:24:20,601 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:24:20,601 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:24:20,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:24:20,601 INFO L82 PathProgramCache]: Analyzing trace with hash -1202837030, now seen corresponding path program 4 times [2021-07-14 11:24:20,601 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:24:20,601 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707436956] [2021-07-14 11:24:20,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:24:20,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:24:21,676 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 0 proven. 277 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-07-14 11:24:21,676 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:24:21,676 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707436956] [2021-07-14 11:24:21,676 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707436956] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:24:21,676 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1195270115] [2021-07-14 11:24:21,677 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 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 11:24:21,716 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 11:24:21,716 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 11:24:21,717 WARN L261 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 95 conjunts are in the unsatisfiable core [2021-07-14 11:24:21,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:24:37,829 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-07-14 11:24:56,866 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-07-14 11:24:57,023 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-07-14 11:24:57,024 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:24:57,024 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 122 treesize of output 302 [2021-07-14 11:24:57,084 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 11:24:57,568 WARN L205 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 165 [2021-07-14 11:24:57,578 INFO L628 ElimStorePlain]: treesize reduction 364, result has 61.4 percent of original size [2021-07-14 11:24:57,778 INFO L550 ElimStorePlain]: Start of recursive call 1: 9 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-14 11:24:57,779 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 10 variables, input treesize:140, output treesize:143 [2021-07-14 11:24:59,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:59,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:59,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:59,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:59,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:59,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:59,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:59,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:59,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:59,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:59,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:59,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:59,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:59,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:59,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:59,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:59,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:59,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:59,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:59,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:59,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:59,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:59,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:59,626 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:24:59,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:59,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:59,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:59,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:59,630 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:24:59,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:59,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:59,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:59,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:59,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:59,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:59,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 28 disjoint index pairs (out of 45 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 28 [2021-07-14 11:24:59,645 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 11:24:59,649 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:24:59,650 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 11:24:59,650 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:101, output treesize:5 [2021-07-14 11:24:59,660 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 18 proven. 275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:24:59,660 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1195270115] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:24:59,661 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:24:59,661 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 50] total 85 [2021-07-14 11:24:59,661 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832128548] [2021-07-14 11:24:59,661 INFO L462 AbstractCegarLoop]: Interpolant automaton has 86 states [2021-07-14 11:24:59,661 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:24:59,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2021-07-14 11:24:59,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=589, Invalid=6719, Unknown=2, NotChecked=0, Total=7310 [2021-07-14 11:24:59,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:24:59,664 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:24:59,664 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 86 states, 86 states have (on average 1.744186046511628) internal successors, (150), 85 states have internal predecessors, (150), 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 11:24:59,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:24:59,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:24:59,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:24:59,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:24:59,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 11:24:59,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:24:59,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:25:01,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:25:01,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:25:01,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:25:01,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:25:01,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 11:25:01,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:25:01,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 11:25:01,400 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable89 [2021-07-14 11:25:01,401 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:25:01,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:25:01,401 INFO L82 PathProgramCache]: Analyzing trace with hash 848983722, now seen corresponding path program 5 times [2021-07-14 11:25:01,401 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:25:01,401 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301047869] [2021-07-14 11:25:01,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:25:01,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:25:01,465 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 150 proven. 149 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-07-14 11:25:01,466 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:25:01,466 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301047869] [2021-07-14 11:25:01,466 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301047869] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:25:01,466 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [859295249] [2021-07-14 11:25:01,466 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 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 11:25:01,515 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2021-07-14 11:25:01,516 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 11:25:01,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-14 11:25:01,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:25:01,628 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 177 proven. 122 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-07-14 11:25:01,628 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [859295249] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:25:01,628 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:25:01,628 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-07-14 11:25:01,628 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565446595] [2021-07-14 11:25:01,629 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-14 11:25:01,629 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:25:01,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-14 11:25:01,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2021-07-14 11:25:01,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:25:01,630 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:25:01,630 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 8 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 11:25:01,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:25:01,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:25:01,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:25:01,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:25:01,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 11:25:01,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:25:01,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 11:25:01,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:25:01,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:25:01,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:25:01,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:25:01,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:25:01,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 11:25:01,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:25:01,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 11:25:01,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 11:25:01,888 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable239 [2021-07-14 11:25:01,889 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:25:01,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:25:01,889 INFO L82 PathProgramCache]: Analyzing trace with hash 2136612212, now seen corresponding path program 6 times [2021-07-14 11:25:01,889 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:25:01,889 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345992286] [2021-07-14 11:25:01,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:25:01,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:25:03,372 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 2 proven. 435 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-07-14 11:25:03,372 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:25:03,372 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345992286] [2021-07-14 11:25:03,372 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345992286] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:25:03,372 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1043587598] [2021-07-14 11:25:03,372 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 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 11:25:03,429 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) [2021-07-14 11:25:03,429 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 11:25:03,433 WARN L261 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 130 conjunts are in the unsatisfiable core [2021-07-14 11:25:03,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:25:08,980 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2021-07-14 11:25:08,980 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:25:08,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 10 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 35 case distinctions, treesize of input 154 treesize of output 378 [2021-07-14 11:25:09,097 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 11:25:09,750 WARN L205 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 193 [2021-07-14 11:25:09,750 INFO L628 ElimStorePlain]: treesize reduction 618, result has 53.6 percent of original size [2021-07-14 11:25:10,353 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 11:25:10,353 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:162, output treesize:155 [2021-07-14 11:25:12,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,268 INFO L244 Elim1Store]: Index analysis took 105 ms [2021-07-14 11:25:12,317 INFO L354 Elim1Store]: treesize reduction 78, result has 42.2 percent of original size [2021-07-14 11:25:12,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 66 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 12 case distinctions, treesize of input 123 treesize of output 93 [2021-07-14 11:25:12,346 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 11:25:12,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,455 INFO L244 Elim1Store]: Index analysis took 103 ms [2021-07-14 11:25:12,507 INFO L354 Elim1Store]: treesize reduction 14, result has 84.3 percent of original size [2021-07-14 11:25:12,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 58 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 8 case distinctions, treesize of input 112 treesize of output 108 [2021-07-14 11:25:12,554 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 11:25:12,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,691 INFO L244 Elim1Store]: Index analysis took 132 ms [2021-07-14 11:25:12,735 INFO L354 Elim1Store]: treesize reduction 40, result has 60.4 percent of original size [2021-07-14 11:25:12,735 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 69 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 9 case distinctions, treesize of input 123 treesize of output 97 [2021-07-14 11:25:12,767 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 11:25:12,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,907 INFO L244 Elim1Store]: Index analysis took 135 ms [2021-07-14 11:25:12,913 INFO L354 Elim1Store]: treesize reduction 148, result has 0.7 percent of original size [2021-07-14 11:25:12,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 78 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 13 case distinctions, treesize of input 123 treesize of output 1 [2021-07-14 11:25:12,914 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 11:25:12,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,977 INFO L354 Elim1Store]: treesize reduction 124, result has 0.8 percent of original size [2021-07-14 11:25:12,978 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 80 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 11 case distinctions, treesize of input 123 treesize of output 1 [2021-07-14 11:25:12,978 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 11:25:13,026 INFO L628 ElimStorePlain]: treesize reduction 50, result has 56.5 percent of original size [2021-07-14 11:25:13,032 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 11:25:13,032 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 2 variables, input treesize:646, output treesize:47 [2021-07-14 11:25:13,196 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 46 proven. 410 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:25:13,196 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1043587598] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:25:13,196 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:25:13,196 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 68] total 118 [2021-07-14 11:25:13,196 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624836419] [2021-07-14 11:25:13,196 INFO L462 AbstractCegarLoop]: Interpolant automaton has 119 states [2021-07-14 11:25:13,197 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:25:13,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 119 interpolants. [2021-07-14 11:25:13,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=809, Invalid=13233, Unknown=0, NotChecked=0, Total=14042 [2021-07-14 11:25:13,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:25:13,199 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:25:13,200 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 119 states, 119 states have (on average 1.596638655462185) internal successors, (190), 118 states have internal predecessors, (190), 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 11:25:13,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:25:13,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:25:13,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:25:13,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:25:13,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 11:25:13,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:25:13,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 11:25:13,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 11:25:13,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:25:17,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:25:17,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:25:17,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:25:17,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:25:17,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 11:25:17,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:25:17,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 11:25:17,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 11:25:17,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 11:25:17,843 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable240,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:25:17,843 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:25:17,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:25:17,843 INFO L82 PathProgramCache]: Analyzing trace with hash 773510724, now seen corresponding path program 7 times [2021-07-14 11:25:17,844 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:25:17,844 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624923738] [2021-07-14 11:25:17,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:25:17,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:25:17,916 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 235 proven. 228 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-07-14 11:25:17,916 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:25:17,916 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624923738] [2021-07-14 11:25:17,917 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624923738] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:25:17,917 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1319528308] [2021-07-14 11:25:17,917 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 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 11:25:17,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:25:17,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 23 conjunts are in the unsatisfiable core [2021-07-14 11:25:17,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:25:18,104 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 268 proven. 195 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-07-14 11:25:18,104 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1319528308] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:25:18,104 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:25:18,104 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-07-14 11:25:18,104 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331574068] [2021-07-14 11:25:18,105 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-14 11:25:18,105 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:25:18,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-14 11:25:18,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2021-07-14 11:25:18,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:25:18,105 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:25:18,105 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 9 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 11:25:18,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:25:18,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:25:18,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:25:18,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:25:18,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 11:25:18,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:25:18,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 11:25:18,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 11:25:18,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 11:25:18,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:25:18,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:25:18,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:25:18,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:25:18,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:25:18,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 11:25:18,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:25:18,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 11:25:18,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 11:25:18,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 11:25:18,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:25:18,396 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable824,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:25:18,396 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:25:18,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:25:18,397 INFO L82 PathProgramCache]: Analyzing trace with hash 1647710862, now seen corresponding path program 8 times [2021-07-14 11:25:18,397 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:25:18,397 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824053842] [2021-07-14 11:25:18,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:25:18,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:25:20,307 INFO L134 CoverageAnalysis]: Checked inductivity of 655 backedges. 0 proven. 629 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-07-14 11:25:20,308 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:25:20,308 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824053842] [2021-07-14 11:25:20,308 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824053842] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:25:20,308 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1744170855] [2021-07-14 11:25:20,308 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 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 11:25:20,367 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 11:25:20,368 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 11:25:20,370 WARN L261 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 142 conjunts are in the unsatisfiable core [2021-07-14 11:25:20,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:25:47,522 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-07-14 11:26:15,924 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-07-14 11:26:29,106 WARN L227 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2021-07-14 11:26:29,107 WARN L348 FreeRefinementEngine]: Global settings require throwing the following exception [2021-07-14 11:26:29,308 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable825 [2021-07-14 11:26:29,309 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:258) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:138) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:85) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:934) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:773) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:345) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:305) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:582) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:201) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:299) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:297) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:190) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:180) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:597) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:374) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:63) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:367) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:293) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:238) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:238) ... 46 more [2021-07-14 11:26:29,311 INFO L168 Benchmark]: Toolchain (without parser) took 138066.09 ms. Allocated memory was 192.9 MB in the beginning and 402.7 MB in the end (delta: 209.7 MB). Free memory was 172.0 MB in the beginning and 312.4 MB in the end (delta: -140.3 MB). Peak memory consumption was 69.5 MB. Max. memory is 8.0 GB. [2021-07-14 11:26:29,311 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 192.9 MB. Free memory is still 173.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 11:26:29,311 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.00 ms. Allocated memory is still 192.9 MB. Free memory was 172.0 MB in the beginning and 170.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-14 11:26:29,311 INFO L168 Benchmark]: Boogie Preprocessor took 15.17 ms. Allocated memory is still 192.9 MB. Free memory was 170.5 MB in the beginning and 169.6 MB in the end (delta: 963.4 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-14 11:26:29,311 INFO L168 Benchmark]: RCFGBuilder took 239.62 ms. Allocated memory is still 192.9 MB. Free memory was 169.6 MB in the beginning and 156.6 MB in the end (delta: 13.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-07-14 11:26:29,311 INFO L168 Benchmark]: TraceAbstraction took 137784.80 ms. Allocated memory was 192.9 MB in the beginning and 402.7 MB in the end (delta: 209.7 MB). Free memory was 156.1 MB in the beginning and 312.4 MB in the end (delta: -156.2 MB). Peak memory consumption was 53.7 MB. Max. memory is 8.0 GB. [2021-07-14 11:26:29,312 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 192.9 MB. Free memory is still 173.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 22.00 ms. Allocated memory is still 192.9 MB. Free memory was 172.0 MB in the beginning and 170.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 15.17 ms. Allocated memory is still 192.9 MB. Free memory was 170.5 MB in the beginning and 169.6 MB in the end (delta: 963.4 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 239.62 ms. Allocated memory is still 192.9 MB. Free memory was 169.6 MB in the beginning and 156.6 MB in the end (delta: 13.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 137784.80 ms. Allocated memory was 192.9 MB in the beginning and 402.7 MB in the end (delta: 209.7 MB). Free memory was 156.1 MB in the beginning and 312.4 MB in the end (delta: -156.2 MB). Peak memory consumption was 53.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...