/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/dec-subseq.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 11:22:00,471 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 11:22:00,473 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 11:22:00,516 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 11:22:00,563 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 11:22:00,610 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 11:22:00,610 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 11:22:00,610 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 11:22:00,610 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 11:22:00,612 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 11:22:00,612 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 11:22:00,612 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 11:22:00,613 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 11:22:00,613 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 11:22:00,613 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 11:22:00,614 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 11:22:00,614 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 11:22:00,614 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 11:22:00,614 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 11:22:00,614 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 11:22:00,614 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 11:22:00,614 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 11:22:00,614 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 11:22:00,614 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 11:22:00,614 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 11:22:00,615 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 11:22:00,615 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 11:22:00,615 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 11:22:00,615 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 11:22:00,615 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 11:22:00,615 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 11:22:00,615 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 11:22:00,615 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 11:22:00,615 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 11:22:00,615 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 11:22:00,616 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 11:22:00,616 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 11:22:00,616 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-07-14 11:22:00,616 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 11:22:00,969 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 11:22:00,992 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 11:22:00,994 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 11:22:00,996 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 11:22:00,997 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 11:22:00,997 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dec-subseq.wvr.bpl [2021-07-14 11:22:00,998 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dec-subseq.wvr.bpl' [2021-07-14 11:22:01,032 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 11:22:01,033 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 11:22:01,034 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 11:22:01,034 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 11:22:01,035 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 11:22:01,044 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:22:01" (1/1) ... [2021-07-14 11:22:01,051 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:22:01" (1/1) ... [2021-07-14 11:22:01,057 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 11:22:01,058 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 11:22:01,058 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 11:22:01,058 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 11:22:01,064 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:22:01" (1/1) ... [2021-07-14 11:22:01,064 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:22:01" (1/1) ... [2021-07-14 11:22:01,065 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:22:01" (1/1) ... [2021-07-14 11:22:01,066 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:22:01" (1/1) ... [2021-07-14 11:22:01,068 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:22:01" (1/1) ... [2021-07-14 11:22:01,071 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:22:01" (1/1) ... [2021-07-14 11:22:01,071 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:22:01" (1/1) ... [2021-07-14 11:22:01,072 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 11:22:01,074 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 11:22:01,074 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 11:22:01,075 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 11:22:01,076 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:22:01" (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 11:22:01,145 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 11:22:01,146 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 11:22:01,146 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 11:22:01,146 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 11:22:01,146 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 11:22:01,146 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 11:22:01,146 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 11:22:01,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 11:22:01,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 11:22:01,147 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 11:22:01,278 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 11:22:01,278 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-14 11:22:01,279 INFO L202 PluginConnector]: Adding new model dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 11:22:01 BoogieIcfgContainer [2021-07-14 11:22:01,280 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 11:22:01,281 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 11:22:01,281 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 11:22:01,283 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 11:22:01,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:22:01" (1/2) ... [2021-07-14 11:22:01,284 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38657db7 and model type dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 11:22:01, skipping insertion in model container [2021-07-14 11:22:01,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 11:22:01" (2/2) ... [2021-07-14 11:22:01,285 INFO L111 eAbstractionObserver]: Analyzing ICFG dec-subseq.wvr.bpl [2021-07-14 11:22:01,289 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 11:22:01,289 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 11:22:01,289 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 11:22:01,289 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 11:22:01,311 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-14 11:22:01,327 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 11:22:01,438 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 11:22:01,438 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 11:22:01,438 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 11:22:01,438 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 11:22:01,438 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 11:22:01,439 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 11:22:01,439 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 11:22:01,439 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 11:22:01,565 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:22:01,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:22:01,569 INFO L82 PathProgramCache]: Analyzing trace with hash 1915583138, now seen corresponding path program 1 times [2021-07-14 11:22:01,574 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:22:01,574 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628083283] [2021-07-14 11:22:01,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:22:01,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:22:01,734 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 11:22:01,734 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:22:01,735 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628083283] [2021-07-14 11:22:01,735 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628083283] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 11:22:01,735 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 11:22:01,735 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 11:22:01,736 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747130178] [2021-07-14 11:22:01,738 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 11:22:01,738 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:22:01,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 11:22:01,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 11:22:01,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:22:01,747 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:22:01,754 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 11:22:01,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:22:01,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:22:01,798 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 11:22:01,799 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:22:01,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:22:01,799 INFO L82 PathProgramCache]: Analyzing trace with hash -734683570, now seen corresponding path program 2 times [2021-07-14 11:22:01,799 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:22:01,800 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818629929] [2021-07-14 11:22:01,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:22:01,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:22:01,906 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 11:22:01,906 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:22:01,907 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818629929] [2021-07-14 11:22:01,907 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818629929] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:22:01,907 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [182738533] [2021-07-14 11:22:01,907 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 11:22:01,946 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 11:22:01,947 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 11:22:01,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-14 11:22:01,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:22:02,032 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 11:22:02,034 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 11:22:02,037 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:22:02,038 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 11:22:02,038 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:7 [2021-07-14 11:22:02,056 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 11:22:02,058 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 11:22:02,061 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:22:02,062 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 11:22:02,062 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2021-07-14 11:22:02,080 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 11:22:02,080 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [182738533] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:22:02,080 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:22:02,080 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 11 [2021-07-14 11:22:02,081 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387789631] [2021-07-14 11:22:02,081 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-14 11:22:02,082 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:22:02,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-14 11:22:02,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2021-07-14 11:22:02,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:22:02,083 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:22:02,083 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 11:22:02,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:22:02,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:22:02,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:22:02,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:22:02,402 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:22:02,403 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:22:02,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:22:02,403 INFO L82 PathProgramCache]: Analyzing trace with hash 846702139, now seen corresponding path program 3 times [2021-07-14 11:22:02,404 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:22:02,404 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865763959] [2021-07-14 11:22:02,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:22:02,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:22:02,675 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 11:22:02,675 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:22:02,675 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865763959] [2021-07-14 11:22:02,675 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865763959] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:22:02,675 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [617028662] [2021-07-14 11:22:02,675 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 11:22:02,761 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-14 11:22:02,762 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 11:22:02,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-14 11:22:02,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:22:02,934 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:22:02,934 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 11:22:02,946 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 11:22:02,951 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:22:02,951 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 11:22:02,952 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:30, output treesize:16 [2021-07-14 11:22:03,103 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:22:03,103 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 11:22:03,131 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-14 11:22:03,140 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:22:03,146 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 11:22:03,146 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:29, output treesize:21 [2021-07-14 11:22:03,225 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 11:22:03,225 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [617028662] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:22:03,225 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:22:03,225 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15] total 27 [2021-07-14 11:22:03,226 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003981235] [2021-07-14 11:22:03,226 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-07-14 11:22:03,226 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:22:03,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-07-14 11:22:03,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=624, Unknown=0, NotChecked=0, Total=756 [2021-07-14 11:22:03,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:22:03,228 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:22:03,228 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 11:22:03,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:22:03,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:22:03,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:22:04,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:22:04,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:22:04,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:22:04,308 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:22:04,308 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:22:04,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:22:04,309 INFO L82 PathProgramCache]: Analyzing trace with hash 918468463, now seen corresponding path program 1 times [2021-07-14 11:22:04,309 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:22:04,309 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585576177] [2021-07-14 11:22:04,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:22:04,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:22:04,352 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 11:22:04,353 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:22:04,353 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585576177] [2021-07-14 11:22:04,353 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585576177] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:22:04,353 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1132591224] [2021-07-14 11:22:04,353 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 11:22:04,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:22:04,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-14 11:22:04,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:22:04,478 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 11:22:04,478 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1132591224] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:22:04,479 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:22:04,479 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-07-14 11:22:04,479 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510988252] [2021-07-14 11:22:04,479 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 11:22:04,479 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:22:04,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 11:22:04,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-07-14 11:22:04,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:22:04,480 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:22:04,480 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 11:22:04,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:22:04,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:22:04,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:22:04,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:22:04,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:22:04,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:22:04,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:22:04,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:22:04,744 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:22:04,744 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:22:04,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:22:04,744 INFO L82 PathProgramCache]: Analyzing trace with hash 192214836, now seen corresponding path program 2 times [2021-07-14 11:22:04,744 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:22:04,745 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874815709] [2021-07-14 11:22:04,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:22:04,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:22:05,482 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 11:22:05,482 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:22:05,482 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874815709] [2021-07-14 11:22:05,482 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874815709] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:22:05,482 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1190200543] [2021-07-14 11:22:05,482 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 11:22:05,550 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 11:22:05,551 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 11:22:05,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 72 conjunts are in the unsatisfiable core [2021-07-14 11:22:05,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:22:07,684 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:22:07,685 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 11:22:07,707 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 11:22:07,902 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 94 [2021-07-14 11:22:07,902 INFO L628 ElimStorePlain]: treesize reduction 230, result has 56.4 percent of original size [2021-07-14 11:22:07,989 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 11:22:07,989 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:108, output treesize:74 [2021-07-14 11:22:08,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:08,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:08,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:08,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:08,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:08,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:08,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:08,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:08,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:08,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:08,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:08,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:08,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:08,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:08,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:08,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:08,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:08,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:08,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:08,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:08,540 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:22:08,563 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:22:08,563 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 11:22:08,607 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-14 11:22:08,619 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:22:08,653 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 11:22:08,653 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:85, output treesize:17 [2021-07-14 11:22:08,749 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 11:22:08,750 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1190200543] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:22:08,750 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:22:08,750 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 39] total 66 [2021-07-14 11:22:08,750 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290169280] [2021-07-14 11:22:08,751 INFO L462 AbstractCegarLoop]: Interpolant automaton has 67 states [2021-07-14 11:22:08,751 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:22:08,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2021-07-14 11:22:08,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=477, Invalid=3945, Unknown=0, NotChecked=0, Total=4422 [2021-07-14 11:22:08,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:22:08,753 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:22:08,753 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 11:22:08,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:22:08,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:22:08,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:22:08,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:22:08,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:22:10,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:22:10,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:22:10,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:22:10,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:22:10,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 11:22:10,239 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-07-14 11:22:10,239 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:22:10,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:22:10,239 INFO L82 PathProgramCache]: Analyzing trace with hash 46782468, now seen corresponding path program 3 times [2021-07-14 11:22:10,240 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:22:10,240 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865806349] [2021-07-14 11:22:10,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:22:10,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:22:10,286 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 11:22:10,286 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:22:10,286 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865806349] [2021-07-14 11:22:10,286 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865806349] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:22:10,286 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [58632850] [2021-07-14 11:22:10,286 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 11:22:10,357 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2021-07-14 11:22:10,357 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 11:22:10,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-14 11:22:10,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:22:10,456 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 11:22:10,457 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [58632850] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:22:10,457 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:22:10,457 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-07-14 11:22:10,457 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483710715] [2021-07-14 11:22:10,457 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 11:22:10,457 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:22:10,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 11:22:10,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2021-07-14 11:22:10,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:22:10,458 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:22:10,458 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 11:22:10,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:22:10,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:22:10,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:22:10,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:22:10,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 11:22:10,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:22:10,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:22:10,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:22:10,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:22:10,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:22:10,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 11:22:10,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:22:10,712 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:22:10,712 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:22:10,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:22:10,713 INFO L82 PathProgramCache]: Analyzing trace with hash -1202837030, now seen corresponding path program 4 times [2021-07-14 11:22:10,713 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:22:10,713 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130051890] [2021-07-14 11:22:10,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:22:10,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:22:11,888 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 11:22:11,888 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:22:11,888 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130051890] [2021-07-14 11:22:11,888 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130051890] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:22:11,888 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1852154281] [2021-07-14 11:22:11,888 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 11:22:11,928 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 11:22:11,929 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 11:22:11,930 WARN L261 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 95 conjunts are in the unsatisfiable core [2021-07-14 11:22:11,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:22:28,766 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-07-14 11:22:46,420 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-07-14 11:22:46,585 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-07-14 11:22:46,585 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:22:46,586 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 11:22:46,656 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 11:22:47,195 WARN L205 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 168 [2021-07-14 11:22:47,195 INFO L628 ElimStorePlain]: treesize reduction 347, result has 63.2 percent of original size [2021-07-14 11:22:47,399 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 11:22:47,399 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 10 variables, input treesize:140, output treesize:166 [2021-07-14 11:22:49,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:49,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:49,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:49,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:49,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:49,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:49,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:49,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:49,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:49,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:49,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:49,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:49,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:49,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:49,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:49,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:49,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:49,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:49,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:49,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:49,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:49,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:49,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:49,407 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:22:49,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:49,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:49,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:49,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:49,410 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:22:49,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:49,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:49,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:49,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:49,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:49,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:49,417 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 11:22:49,419 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 11:22:49,424 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:22:49,425 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 11:22:49,426 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:101, output treesize:5 [2021-07-14 11:22:49,439 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 11:22:49,440 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1852154281] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:22:49,440 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:22:49,440 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 50] total 85 [2021-07-14 11:22:49,440 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305363055] [2021-07-14 11:22:49,440 INFO L462 AbstractCegarLoop]: Interpolant automaton has 86 states [2021-07-14 11:22:49,440 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:22:49,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2021-07-14 11:22:49,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=589, Invalid=6719, Unknown=2, NotChecked=0, Total=7310 [2021-07-14 11:22:49,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:22:49,445 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:22:49,445 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 11:22:49,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:22:49,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:22:49,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:22:49,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:22:49,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 11:22:49,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:22:49,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:22:51,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:22:51,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:22:51,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:22:51,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:22:51,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 11:22:51,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:22:51,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 11:22:51,305 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:22:51,305 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:22:51,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:22:51,306 INFO L82 PathProgramCache]: Analyzing trace with hash 848983722, now seen corresponding path program 5 times [2021-07-14 11:22:51,306 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:22:51,306 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134163604] [2021-07-14 11:22:51,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:22:51,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:22:51,382 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 11:22:51,382 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:22:51,384 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134163604] [2021-07-14 11:22:51,384 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134163604] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:22:51,385 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1649725030] [2021-07-14 11:22:51,385 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 11:22:51,434 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2021-07-14 11:22:51,435 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 11:22:51,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-14 11:22:51,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:22:51,581 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 11:22:51,581 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1649725030] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:22:51,581 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:22:51,581 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-07-14 11:22:51,581 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258466874] [2021-07-14 11:22:51,582 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-14 11:22:51,582 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:22:51,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-14 11:22:51,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2021-07-14 11:22:51,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:22:51,583 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:22:51,584 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 11:22:51,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:22:51,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:22:51,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:22:51,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:22:51,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 11:22:51,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:22:51,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 11:22:51,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:22:51,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:22:51,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:22:51,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:22:51,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:22:51,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 11:22:51,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:22:51,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 11:22:51,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 11:22:51,841 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable234 [2021-07-14 11:22:51,841 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:22:51,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:22:51,841 INFO L82 PathProgramCache]: Analyzing trace with hash 2136612212, now seen corresponding path program 6 times [2021-07-14 11:22:51,842 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:22:51,842 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81578950] [2021-07-14 11:22:51,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:22:51,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:22:53,495 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-07-14 11:22:53,495 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:22:53,495 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81578950] [2021-07-14 11:22:53,495 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81578950] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:22:53,495 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1646536580] [2021-07-14 11:22:53,495 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 11:22:53,551 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) [2021-07-14 11:22:53,551 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 11:22:53,554 WARN L261 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 132 conjunts are in the unsatisfiable core [2021-07-14 11:22:53,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:22:59,193 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2021-07-14 11:22:59,193 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:22:59,194 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 11:22:59,351 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 11:22:59,981 WARN L205 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 180 [2021-07-14 11:22:59,982 INFO L628 ElimStorePlain]: treesize reduction 698, result has 48.3 percent of original size [2021-07-14 11:23:00,838 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 11:23:00,839 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:162, output treesize:108 [2021-07-14 11:23:02,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:02,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:02,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:02,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:02,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:02,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:02,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:02,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:02,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:02,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:02,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:02,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:02,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:02,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:02,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:02,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:02,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:02,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:02,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:02,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:02,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:02,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:02,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:02,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:02,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:02,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:02,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:02,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:02,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:02,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:02,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:02,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:02,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:02,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:02,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:02,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:02,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:02,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:02,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:02,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:02,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:02,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:02,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:02,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:02,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:02,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:02,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:02,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:02,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:02,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:02,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:02,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:02,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:02,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:02,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:02,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:02,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:02,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:02,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:02,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:02,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:02,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:02,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:02,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:02,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:02,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:02,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:02,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:02,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:02,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:02,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:02,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:02,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:02,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:02,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:02,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:02,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,042 INFO L244 Elim1Store]: Index analysis took 134 ms [2021-07-14 11:23:03,113 INFO L354 Elim1Store]: treesize reduction 76, result has 52.2 percent of original size [2021-07-14 11:23:03,114 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 77 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 14 case distinctions, treesize of input 123 treesize of output 119 [2021-07-14 11:23:03,153 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 11:23:03,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,306 INFO L244 Elim1Store]: Index analysis took 148 ms [2021-07-14 11:23:03,353 INFO L354 Elim1Store]: treesize reduction 107, result has 14.4 percent of original size [2021-07-14 11:23:03,353 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 54 [2021-07-14 11:23:03,358 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 11:23:03,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,500 INFO L244 Elim1Store]: Index analysis took 134 ms [2021-07-14 11:23:03,537 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-07-14 11:23:03,537 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 40 [2021-07-14 11:23:03,542 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 11:23:03,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,689 INFO L244 Elim1Store]: Index analysis took 142 ms [2021-07-14 11:23:03,695 INFO L354 Elim1Store]: treesize reduction 124, result has 0.8 percent of original size [2021-07-14 11:23:03,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 67 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 11 case distinctions, treesize of input 123 treesize of output 1 [2021-07-14 11:23:03,696 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 11:23:03,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:23:03,766 INFO L354 Elim1Store]: treesize reduction 100, result has 1.0 percent of original size [2021-07-14 11:23:03,766 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 1 [2021-07-14 11:23:03,767 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 11:23:03,813 INFO L628 ElimStorePlain]: treesize reduction 5, result has 92.9 percent of original size [2021-07-14 11:23:03,819 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 11:23:03,819 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 2 variables, input treesize:646, output treesize:47 [2021-07-14 11:23:03,987 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 11:23:03,988 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1646536580] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:23:03,988 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:23:03,988 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 69] total 117 [2021-07-14 11:23:03,989 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315442124] [2021-07-14 11:23:03,993 INFO L462 AbstractCegarLoop]: Interpolant automaton has 118 states [2021-07-14 11:23:03,993 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:23:03,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 118 interpolants. [2021-07-14 11:23:03,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=801, Invalid=13005, Unknown=0, NotChecked=0, Total=13806 [2021-07-14 11:23:03,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:23:03,997 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:23:03,998 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 118 states, 118 states have (on average 1.5847457627118644) internal successors, (187), 117 states have internal predecessors, (187), 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 11:23:03,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:23:03,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:23:03,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:23:03,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:23:03,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 11:23:03,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:23:03,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 11:23:03,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 11:23:03,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:23:08,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:23:08,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:23:08,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:23:08,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:23:08,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 11:23:08,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:23:08,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 11:23:08,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 11:23:08,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 11:23:08,973 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable235 [2021-07-14 11:23:08,973 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:23:08,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:23:08,973 INFO L82 PathProgramCache]: Analyzing trace with hash 773510724, now seen corresponding path program 7 times [2021-07-14 11:23:08,973 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:23:08,973 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553809481] [2021-07-14 11:23:08,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:23:08,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:23:09,037 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 11:23:09,037 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:23:09,037 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553809481] [2021-07-14 11:23:09,038 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553809481] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:23:09,038 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [818183861] [2021-07-14 11:23:09,038 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 11:23:09,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:23:09,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 23 conjunts are in the unsatisfiable core [2021-07-14 11:23:09,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:23:09,248 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 11:23:09,248 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [818183861] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:23:09,248 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:23:09,248 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-07-14 11:23:09,248 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143524086] [2021-07-14 11:23:09,248 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-14 11:23:09,249 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:23:09,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-14 11:23:09,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2021-07-14 11:23:09,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:23:09,249 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:23:09,249 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 11:23:09,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:23:09,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:23:09,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:23:09,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:23:09,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 11:23:09,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:23:09,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 11:23:09,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 11:23:09,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 11:23:09,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:23:09,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:23:09,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:23:09,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:23:09,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:23:09,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 11:23:09,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:23:09,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 11:23:09,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 11:23:09,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 11:23:09,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:23:09,518 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1018,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:23:09,518 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:23:09,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:23:09,519 INFO L82 PathProgramCache]: Analyzing trace with hash 1647710862, now seen corresponding path program 8 times [2021-07-14 11:23:09,519 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:23:09,519 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329528897] [2021-07-14 11:23:09,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:23:09,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:23:11,520 INFO L134 CoverageAnalysis]: Checked inductivity of 655 backedges. 2 proven. 629 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-07-14 11:23:11,520 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:23:11,521 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329528897] [2021-07-14 11:23:11,521 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329528897] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:23:11,521 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1797188633] [2021-07-14 11:23:11,521 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 11:23:11,586 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 11:23:11,587 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 11:23:11,589 WARN L261 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 144 conjunts are in the unsatisfiable core [2021-07-14 11:23:11,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:23:18,933 WARN L205 SmtUtils]: Spent 3.73 s on a formula simplification. DAG size of input: 61 DAG size of output: 56 [2021-07-14 11:23:22,129 WARN L205 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2021-07-14 11:23:43,752 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-07-14 11:24:11,509 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-07-14 11:24:24,896 WARN L227 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2021-07-14 11:24:24,897 WARN L348 FreeRefinementEngine]: Global settings require throwing the following exception [2021-07-14 11:24:25,098 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1019 [2021-07-14 11:24:25,098 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 11:24:25,102 INFO L168 Benchmark]: Toolchain (without parser) took 144069.23 ms. Allocated memory was 197.1 MB in the beginning and 634.4 MB in the end (delta: 437.3 MB). Free memory was 177.7 MB in the beginning and 485.3 MB in the end (delta: -307.6 MB). Peak memory consumption was 132.4 MB. Max. memory is 8.0 GB. [2021-07-14 11:24:25,102 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 197.1 MB. Free memory is still 178.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 11:24:25,102 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.37 ms. Allocated memory is still 197.1 MB. Free memory was 177.5 MB in the beginning and 176.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-14 11:24:25,102 INFO L168 Benchmark]: Boogie Preprocessor took 15.19 ms. Allocated memory is still 197.1 MB. Free memory was 176.1 MB in the beginning and 175.1 MB in the end (delta: 929.8 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-14 11:24:25,102 INFO L168 Benchmark]: RCFGBuilder took 205.32 ms. Allocated memory is still 197.1 MB. Free memory was 175.0 MB in the beginning and 162.0 MB in the end (delta: 13.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-07-14 11:24:25,102 INFO L168 Benchmark]: TraceAbstraction took 143820.70 ms. Allocated memory was 197.1 MB in the beginning and 634.4 MB in the end (delta: 437.3 MB). Free memory was 161.5 MB in the beginning and 485.3 MB in the end (delta: -323.8 MB). Peak memory consumption was 114.5 MB. Max. memory is 8.0 GB. [2021-07-14 11:24:25,102 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 197.1 MB. Free memory is still 178.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 23.37 ms. Allocated memory is still 197.1 MB. Free memory was 177.5 MB in the beginning and 176.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 15.19 ms. Allocated memory is still 197.1 MB. Free memory was 176.1 MB in the beginning and 175.1 MB in the end (delta: 929.8 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 205.32 ms. Allocated memory is still 197.1 MB. Free memory was 175.0 MB in the beginning and 162.0 MB in the end (delta: 13.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 143820.70 ms. Allocated memory was 197.1 MB in the beginning and 634.4 MB in the end (delta: 437.3 MB). Free memory was 161.5 MB in the beginning and 485.3 MB in the end (delta: -323.8 MB). Peak memory consumption was 114.5 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...