/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 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 06:38:51,589 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 06:38:51,591 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 06:38:51,622 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-10 06:38:51,669 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 [2021-07-10 06:38:51,717 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 06:38:51,718 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 06:38:51,718 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 06:38:51,718 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 06:38:51,720 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 06:38:51,720 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 06:38:51,720 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 06:38:51,720 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 06:38:51,720 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 06:38:51,721 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 06:38:51,721 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 06:38:51,721 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 06:38:51,721 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 06:38:51,721 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 06:38:51,721 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 06:38:51,721 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 06:38:51,722 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 06:38:51,722 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 06:38:51,722 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 06:38:51,722 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 06:38:51,722 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 06:38:51,722 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 06:38:51,722 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 06:38:51,722 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 06:38:51,722 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 06:38:51,722 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 06:38:51,722 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 06:38:51,723 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 06:38:51,723 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 06:38:51,723 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 06:38:51,723 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 06:38:51,723 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 06:38:51,723 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-07-10 06:38:51,723 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 06:38:51,987 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 06:38:52,004 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 06:38:52,006 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 06:38:52,007 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-10 06:38:52,008 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-10 06:38:52,008 INFO L432 ainManager$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 [2021-07-10 06:38:52,009 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dec-subseq.wvr.bpl' [2021-07-10 06:38:52,034 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 06:38:52,036 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-10 06:38:52,036 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 06:38:52,037 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 06:38:52,037 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 06:38:52,045 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 10.07 06:38:52" (1/1) ... [2021-07-10 06:38:52,052 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 10.07 06:38:52" (1/1) ... [2021-07-10 06:38:52,059 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 06:38:52,060 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 06:38:52,060 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 06:38:52,060 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 06:38:52,065 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:38:52" (1/1) ... [2021-07-10 06:38:52,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:38:52" (1/1) ... [2021-07-10 06:38:52,066 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:38:52" (1/1) ... [2021-07-10 06:38:52,066 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:38:52" (1/1) ... [2021-07-10 06:38:52,069 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:38:52" (1/1) ... [2021-07-10 06:38:52,071 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:38:52" (1/1) ... [2021-07-10 06:38:52,072 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:38:52" (1/1) ... [2021-07-10 06:38:52,072 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 06:38:52,073 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 06:38:52,073 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 06:38:52,073 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 06:38:52,074 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:38:52" (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 [2021-07-10 06:38:52,131 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-10 06:38:52,131 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 06:38:52,131 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 06:38:52,131 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-10 06:38:52,132 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 06:38:52,132 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 06:38:52,132 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-10 06:38:52,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 06:38:52,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 06:38:52,133 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-10 06:38:52,315 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 06:38:52,315 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-10 06:38:52,317 INFO L202 PluginConnector]: Adding new model dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 06:38:52 BoogieIcfgContainer [2021-07-10 06:38:52,317 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 06:38:52,321 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 06:38:52,321 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 06:38:52,326 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 06:38:52,326 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:38:52" (1/2) ... [2021-07-10 06:38:52,327 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1255393 and model type dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 06:38:52, skipping insertion in model container [2021-07-10 06:38:52,327 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 06:38:52" (2/2) ... [2021-07-10 06:38:52,328 INFO L111 eAbstractionObserver]: Analyzing ICFG dec-subseq.wvr.bpl [2021-07-10 06:38:52,331 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 06:38:52,331 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 06:38:52,332 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 06:38:52,332 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 06:38:52,353 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-10 06:38:52,367 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 [2021-07-10 06:38:52,413 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 06:38:52,414 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 06:38:52,415 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 06:38:52,415 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 06:38:52,415 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 06:38:52,421 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 06:38:52,421 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 06:38:52,421 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 06:38:52,583 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:38:52,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:38:52,587 INFO L82 PathProgramCache]: Analyzing trace with hash 1915583138, now seen corresponding path program 1 times [2021-07-10 06:38:52,592 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:38:52,605 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192353511] [2021-07-10 06:38:52,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:38:52,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:38:52,749 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 06:38:52,750 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:38:52,750 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192353511] [2021-07-10 06:38:52,751 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192353511] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 06:38:52,751 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 06:38:52,751 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-10 06:38:52,751 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307792499] [2021-07-10 06:38:52,755 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-10 06:38:52,755 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:38:52,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-10 06:38:52,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-10 06:38:52,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:38:52,771 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:38:52,772 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) [2021-07-10 06:38:52,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:38:52,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:38:52,829 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 06:38:52,829 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:38:52,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:38:52,832 INFO L82 PathProgramCache]: Analyzing trace with hash -734683570, now seen corresponding path program 2 times [2021-07-10 06:38:52,832 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:38:52,833 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686530254] [2021-07-10 06:38:52,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:38:52,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:38:52,957 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:38:52,957 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:38:52,957 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686530254] [2021-07-10 06:38:52,957 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686530254] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:38:52,957 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1795240830] [2021-07-10 06:38:52,958 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 [2021-07-10 06:38:53,012 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 06:38:53,013 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:38:53,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-10 06:38:53,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:38:53,181 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 [2021-07-10 06:38:53,187 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 06:38:53,190 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:38:53,191 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 06:38:53,192 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:7 [2021-07-10 06:38:53,228 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 [2021-07-10 06:38:53,230 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 06:38:53,233 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:38:53,235 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 06:38:53,235 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2021-07-10 06:38:53,259 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:38:53,260 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1795240830] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:38:53,260 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:38:53,260 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 11 [2021-07-10 06:38:53,261 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924232443] [2021-07-10 06:38:53,261 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-10 06:38:53,261 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:38:53,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-10 06:38:53,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2021-07-10 06:38:53,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:38:53,262 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:38:53,263 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) [2021-07-10 06:38:53,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:38:53,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:38:53,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:38:53,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 06:38:53,602 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:38:53,602 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:38:53,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:38:53,602 INFO L82 PathProgramCache]: Analyzing trace with hash 846702139, now seen corresponding path program 3 times [2021-07-10 06:38:53,603 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:38:53,603 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759832949] [2021-07-10 06:38:53,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:38:53,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:38:53,878 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:38:53,878 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:38:53,878 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759832949] [2021-07-10 06:38:53,878 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759832949] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:38:53,878 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [988075803] [2021-07-10 06:38:53,878 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 [2021-07-10 06:38:53,915 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-10 06:38:53,916 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:38:53,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-10 06:38:53,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:38:54,123 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:38:54,123 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 [2021-07-10 06:38:54,137 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 06:38:54,141 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:38:54,143 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 06:38:54,143 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:30, output treesize:16 [2021-07-10 06:38:54,314 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:38:54,314 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 [2021-07-10 06:38:54,359 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-10 06:38:54,376 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:38:54,384 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 06:38:54,384 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:29, output treesize:21 [2021-07-10 06:38:54,462 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:38:54,463 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [988075803] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:38:54,463 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:38:54,463 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15] total 27 [2021-07-10 06:38:54,464 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496330891] [2021-07-10 06:38:54,465 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-07-10 06:38:54,467 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:38:54,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-07-10 06:38:54,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=624, Unknown=0, NotChecked=0, Total=756 [2021-07-10 06:38:54,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:38:54,469 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:38:54,469 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) [2021-07-10 06:38:54,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:38:54,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 06:38:54,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:38:55,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:38:55,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 06:38:55,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 06:38:55,640 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:38:55,641 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:38:55,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:38:55,642 INFO L82 PathProgramCache]: Analyzing trace with hash 918468463, now seen corresponding path program 1 times [2021-07-10 06:38:55,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:38:55,642 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556895118] [2021-07-10 06:38:55,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:38:55,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:38:55,709 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 25 proven. 26 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-07-10 06:38:55,710 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:38:55,710 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556895118] [2021-07-10 06:38:55,710 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556895118] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:38:55,710 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [613212397] [2021-07-10 06:38:55,710 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 [2021-07-10 06:38:55,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:38:55,751 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-10 06:38:55,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:38:55,831 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 37 proven. 14 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-07-10 06:38:55,832 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [613212397] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:38:55,832 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:38:55,832 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-07-10 06:38:55,832 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966569089] [2021-07-10 06:38:55,832 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-10 06:38:55,832 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:38:55,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-10 06:38:55,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-07-10 06:38:55,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:38:55,833 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:38:55,833 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) [2021-07-10 06:38:55,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:38:55,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 06:38:55,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 06:38:55,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:38:55,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:38:55,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 06:38:55,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 06:38:55,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 06:38:56,104 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:38:56,105 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:38:56,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:38:56,105 INFO L82 PathProgramCache]: Analyzing trace with hash 192214836, now seen corresponding path program 2 times [2021-07-10 06:38:56,105 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:38:56,106 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683248746] [2021-07-10 06:38:56,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:38:56,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:38:56,832 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-07-10 06:38:56,833 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:38:56,833 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683248746] [2021-07-10 06:38:56,833 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683248746] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:38:56,833 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [995912950] [2021-07-10 06:38:56,833 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 [2021-07-10 06:38:56,879 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 06:38:56,879 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:38:56,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 72 conjunts are in the unsatisfiable core [2021-07-10 06:38:56,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:38:58,878 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:38:58,879 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 [2021-07-10 06:38:58,897 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 06:38:59,103 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 94 [2021-07-10 06:38:59,104 INFO L628 ElimStorePlain]: treesize reduction 230, result has 56.4 percent of original size [2021-07-10 06:38:59,177 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 06:38:59,177 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:108, output treesize:74 [2021-07-10 06:38:59,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:38:59,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:38:59,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:38:59,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:38:59,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:38:59,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:38:59,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:38:59,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:38:59,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:38:59,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:38:59,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:38:59,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:38:59,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:38:59,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:38:59,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:38:59,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:38:59,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:38:59,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:38:59,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:38:59,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:38:59,730 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:38:59,756 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:38:59,757 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 [2021-07-10 06:38:59,794 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-10 06:38:59,805 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:38:59,813 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 06:38:59,813 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:85, output treesize:17 [2021-07-10 06:38:59,900 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 13 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:38:59,900 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [995912950] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:38:59,900 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:38:59,900 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 39] total 66 [2021-07-10 06:38:59,900 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706708887] [2021-07-10 06:38:59,901 INFO L462 AbstractCegarLoop]: Interpolant automaton has 67 states [2021-07-10 06:38:59,901 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:38:59,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2021-07-10 06:38:59,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=477, Invalid=3945, Unknown=0, NotChecked=0, Total=4422 [2021-07-10 06:38:59,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:38:59,902 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:38:59,903 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) [2021-07-10 06:38:59,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:38:59,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 06:38:59,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 06:38:59,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 06:38:59,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:39:01,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:39:01,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 06:39:01,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 06:39:01,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 06:39:01,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 06:39:01,393 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-07-10 06:39:01,393 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:39:01,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:39:01,394 INFO L82 PathProgramCache]: Analyzing trace with hash 46782468, now seen corresponding path program 3 times [2021-07-10 06:39:01,394 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:39:01,394 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261235640] [2021-07-10 06:39:01,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:39:01,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:39:01,484 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 84 proven. 87 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-07-10 06:39:01,484 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:39:01,484 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261235640] [2021-07-10 06:39:01,484 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261235640] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:39:01,484 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [675383845] [2021-07-10 06:39:01,484 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 [2021-07-10 06:39:01,544 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2021-07-10 06:39:01,545 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:39:01,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-10 06:39:01,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:39:01,667 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 105 proven. 66 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-07-10 06:39:01,667 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [675383845] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:39:01,667 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:39:01,667 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-07-10 06:39:01,667 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101593144] [2021-07-10 06:39:01,668 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-10 06:39:01,668 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:39:01,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-10 06:39:01,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2021-07-10 06:39:01,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:39:01,668 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:39:01,669 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) [2021-07-10 06:39:01,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:39:01,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 06:39:01,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 06:39:01,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 06:39:01,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 06:39:01,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:39:01,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:39:01,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 06:39:01,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 06:39:01,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 06:39:01,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 06:39:01,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:39:01,925 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:39:01,925 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:39:01,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:39:01,925 INFO L82 PathProgramCache]: Analyzing trace with hash -1202837030, now seen corresponding path program 4 times [2021-07-10 06:39:01,925 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:39:01,926 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507946725] [2021-07-10 06:39:01,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:39:01,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:39:02,948 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 0 proven. 277 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-07-10 06:39:02,949 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:39:02,949 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507946725] [2021-07-10 06:39:02,949 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507946725] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:39:02,949 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [411652860] [2021-07-10 06:39:02,949 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 [2021-07-10 06:39:02,988 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 06:39:02,988 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:39:02,989 WARN L261 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 95 conjunts are in the unsatisfiable core [2021-07-10 06:39:02,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:39:19,974 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-07-10 06:39:37,314 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-07-10 06:39:37,508 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-07-10 06:39:37,508 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:39:37,508 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 [2021-07-10 06:39:37,562 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 06:39:38,026 WARN L205 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 168 [2021-07-10 06:39:38,027 INFO L628 ElimStorePlain]: treesize reduction 347, result has 63.2 percent of original size [2021-07-10 06:39:38,240 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. [2021-07-10 06:39:38,241 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 10 variables, input treesize:140, output treesize:166 [2021-07-10 06:39:40,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:40,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:40,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:40,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:40,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:40,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:40,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:40,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:40,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:40,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:40,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:40,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:40,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:40,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:40,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:40,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:40,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:40,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:40,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:40,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:40,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:40,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:40,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:40,238 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:39:40,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:40,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:40,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:40,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:40,241 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:39:40,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:40,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:40,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:40,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:40,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:40,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:40,247 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 [2021-07-10 06:39:40,249 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 06:39:40,254 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:39:40,255 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 06:39:40,255 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:101, output treesize:5 [2021-07-10 06:39:40,265 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 18 proven. 275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:39:40,267 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [411652860] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:39:40,267 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:39:40,267 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 50] total 85 [2021-07-10 06:39:40,267 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915175840] [2021-07-10 06:39:40,268 INFO L462 AbstractCegarLoop]: Interpolant automaton has 86 states [2021-07-10 06:39:40,268 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:39:40,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2021-07-10 06:39:40,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=589, Invalid=6719, Unknown=2, NotChecked=0, Total=7310 [2021-07-10 06:39:40,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:39:40,270 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:39:40,271 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) [2021-07-10 06:39:40,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:39:40,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 06:39:40,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 06:39:40,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 06:39:40,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 06:39:40,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:39:40,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:39:41,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:39:41,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 06:39:41,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 06:39:41,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 06:39:41,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 06:39:41,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:39:41,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 06:39:42,056 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:39:42,057 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:39:42,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:39:42,057 INFO L82 PathProgramCache]: Analyzing trace with hash 848983722, now seen corresponding path program 5 times [2021-07-10 06:39:42,057 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:39:42,057 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101867435] [2021-07-10 06:39:42,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:39:42,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:39:42,132 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 150 proven. 149 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-07-10 06:39:42,132 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:39:42,134 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101867435] [2021-07-10 06:39:42,134 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101867435] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:39:42,134 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1061956671] [2021-07-10 06:39:42,134 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 [2021-07-10 06:39:42,228 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2021-07-10 06:39:42,229 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:39:42,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-10 06:39:42,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:39:42,372 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 177 proven. 122 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-07-10 06:39:42,372 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1061956671] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:39:42,372 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:39:42,372 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-07-10 06:39:42,373 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743157338] [2021-07-10 06:39:42,373 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-10 06:39:42,373 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:39:42,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-10 06:39:42,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2021-07-10 06:39:42,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:39:42,373 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:39:42,374 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) [2021-07-10 06:39:42,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:39:42,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 06:39:42,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 06:39:42,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 06:39:42,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 06:39:42,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:39:42,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 06:39:42,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:39:42,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:39:42,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 06:39:42,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 06:39:42,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 06:39:42,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 06:39:42,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:39:42,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 06:39:42,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 06:39:42,620 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable234 [2021-07-10 06:39:42,623 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:39:42,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:39:42,623 INFO L82 PathProgramCache]: Analyzing trace with hash 2136612212, now seen corresponding path program 6 times [2021-07-10 06:39:42,623 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:39:42,623 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897766685] [2021-07-10 06:39:42,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:39:42,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:39:44,123 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-07-10 06:39:44,124 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:39:44,124 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897766685] [2021-07-10 06:39:44,124 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897766685] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:39:44,124 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [42803823] [2021-07-10 06:39:44,124 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 [2021-07-10 06:39:44,180 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) [2021-07-10 06:39:44,180 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:39:44,182 WARN L261 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 132 conjunts are in the unsatisfiable core [2021-07-10 06:39:44,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:39:49,852 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2021-07-10 06:39:49,852 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:39:49,853 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 [2021-07-10 06:39:49,954 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 06:39:50,567 WARN L205 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 180 [2021-07-10 06:39:50,567 INFO L628 ElimStorePlain]: treesize reduction 698, result has 48.3 percent of original size [2021-07-10 06:39:51,473 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 06:39:51,473 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:162, output treesize:108 [2021-07-10 06:39:53,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,447 INFO L244 Elim1Store]: Index analysis took 150 ms [2021-07-10 06:39:53,519 INFO L354 Elim1Store]: treesize reduction 76, result has 52.2 percent of original size [2021-07-10 06:39:53,519 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 [2021-07-10 06:39:53,564 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 06:39:53,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,713 INFO L244 Elim1Store]: Index analysis took 143 ms [2021-07-10 06:39:53,755 INFO L354 Elim1Store]: treesize reduction 107, result has 14.4 percent of original size [2021-07-10 06:39:53,755 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 [2021-07-10 06:39:53,759 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 06:39:53,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,878 INFO L244 Elim1Store]: Index analysis took 114 ms [2021-07-10 06:39:53,910 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-07-10 06:39:53,911 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 [2021-07-10 06:39:53,914 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 06:39:53,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:53,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:54,040 INFO L244 Elim1Store]: Index analysis took 122 ms [2021-07-10 06:39:54,046 INFO L354 Elim1Store]: treesize reduction 100, result has 1.0 percent of original size [2021-07-10 06:39:54,046 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 [2021-07-10 06:39:54,047 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 06:39:54,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:54,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:54,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:54,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:54,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:54,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:54,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:54,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:54,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:54,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:54,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:54,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:54,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:54,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:54,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:54,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:54,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:54,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:54,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:54,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:54,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:54,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:54,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:54,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:54,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:54,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:54,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:54,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:54,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:54,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:54,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:54,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:54,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:54,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:54,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:54,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:54,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:54,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:54,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:54,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:54,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:54,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:54,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:54,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:54,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:54,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:54,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:54,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:54,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:54,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:54,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:54,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:54,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:54,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:54,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:54,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:54,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:54,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:54,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:54,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:54,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:54,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:54,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:54,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:54,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:54,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:54,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:39:54,103 INFO L354 Elim1Store]: treesize reduction 124, result has 0.8 percent of original size [2021-07-10 06:39:54,103 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 [2021-07-10 06:39:54,104 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 06:39:54,149 INFO L628 ElimStorePlain]: treesize reduction 5, result has 92.9 percent of original size [2021-07-10 06:39:54,152 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 06:39:54,152 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 2 variables, input treesize:646, output treesize:47 [2021-07-10 06:39:54,325 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 46 proven. 410 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:39:54,326 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [42803823] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:39:54,326 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:39:54,326 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 69] total 117 [2021-07-10 06:39:54,326 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572224700] [2021-07-10 06:39:54,326 INFO L462 AbstractCegarLoop]: Interpolant automaton has 118 states [2021-07-10 06:39:54,326 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:39:54,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 118 interpolants. [2021-07-10 06:39:54,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=801, Invalid=13005, Unknown=0, NotChecked=0, Total=13806 [2021-07-10 06:39:54,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:39:54,339 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:39:54,340 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) [2021-07-10 06:39:54,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:39:54,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 06:39:54,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 06:39:54,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 06:39:54,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 06:39:54,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:39:54,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 06:39:54,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 06:39:54,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:39:58,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:39:58,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 06:39:58,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 06:39:58,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 06:39:58,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 06:39:58,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:39:58,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 06:39:58,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 06:39:58,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 06:39:58,995 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable235 [2021-07-10 06:39:58,995 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:39:58,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:39:58,996 INFO L82 PathProgramCache]: Analyzing trace with hash 773510724, now seen corresponding path program 7 times [2021-07-10 06:39:58,996 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:39:58,996 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554835152] [2021-07-10 06:39:58,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:39:59,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:39:59,069 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 235 proven. 228 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-07-10 06:39:59,069 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:39:59,069 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554835152] [2021-07-10 06:39:59,069 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554835152] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:39:59,069 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2083876854] [2021-07-10 06:39:59,069 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 [2021-07-10 06:39:59,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:39:59,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 23 conjunts are in the unsatisfiable core [2021-07-10 06:39:59,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:39:59,257 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 268 proven. 195 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-07-10 06:39:59,257 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2083876854] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:39:59,257 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:39:59,257 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-07-10 06:39:59,257 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783697367] [2021-07-10 06:39:59,257 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-10 06:39:59,257 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:39:59,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-10 06:39:59,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2021-07-10 06:39:59,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:39:59,258 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:39:59,258 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) [2021-07-10 06:39:59,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:39:59,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 06:39:59,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 06:39:59,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 06:39:59,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 06:39:59,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:39:59,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 06:39:59,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 06:39:59,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 06:39:59,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:39:59,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:39:59,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 06:39:59,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 06:39:59,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 06:39:59,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 06:39:59,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:39:59,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 06:39:59,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 06:39:59,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 06:39:59,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 06:39:59,528 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1018,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:39:59,529 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:39:59,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:39:59,529 INFO L82 PathProgramCache]: Analyzing trace with hash 1647710862, now seen corresponding path program 8 times [2021-07-10 06:39:59,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:39:59,529 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130713074] [2021-07-10 06:39:59,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:39:59,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:40:01,568 INFO L134 CoverageAnalysis]: Checked inductivity of 655 backedges. 2 proven. 629 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-07-10 06:40:01,568 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:40:01,568 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130713074] [2021-07-10 06:40:01,568 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130713074] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:40:01,568 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [248828744] [2021-07-10 06:40:01,569 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 [2021-07-10 06:40:01,625 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 06:40:01,625 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:40:01,628 WARN L261 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 144 conjunts are in the unsatisfiable core [2021-07-10 06:40:01,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:40:09,142 WARN L205 SmtUtils]: Spent 3.89 s on a formula simplification. DAG size of input: 61 DAG size of output: 56 [2021-07-10 06:40:12,233 WARN L205 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2021-07-10 06:40:33,799 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-07-10 06:41:01,393 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-07-10 06:41:14,437 WARN L227 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2021-07-10 06:41:14,438 WARN L348 FreeRefinementEngine]: Global settings require throwing the following exception [2021-07-10 06:41:14,638 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1019 [2021-07-10 06:41:14,639 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 [2021-07-10 06:41:14,644 INFO L168 Benchmark]: Toolchain (without parser) took 142608.14 ms. Allocated memory was 127.9 MB in the beginning and 292.6 MB in the end (delta: 164.6 MB). Free memory was 107.3 MB in the beginning and 192.1 MB in the end (delta: -84.8 MB). Peak memory consumption was 81.7 MB. Max. memory is 8.0 GB. [2021-07-10 06:41:14,644 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 127.9 MB. Free memory is still 108.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-10 06:41:14,644 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.79 ms. Allocated memory is still 127.9 MB. Free memory was 107.2 MB in the beginning and 105.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-10 06:41:14,644 INFO L168 Benchmark]: Boogie Preprocessor took 12.52 ms. Allocated memory is still 127.9 MB. Free memory was 105.8 MB in the beginning and 104.8 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-10 06:41:14,644 INFO L168 Benchmark]: RCFGBuilder took 244.19 ms. Allocated memory is still 127.9 MB. Free memory was 104.7 MB in the beginning and 103.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 6.1 MB. Max. memory is 8.0 GB. [2021-07-10 06:41:14,644 INFO L168 Benchmark]: TraceAbstraction took 142322.28 ms. Allocated memory was 127.9 MB in the beginning and 292.6 MB in the end (delta: 164.6 MB). Free memory was 103.1 MB in the beginning and 192.1 MB in the end (delta: -89.0 MB). Peak memory consumption was 75.5 MB. Max. memory is 8.0 GB. [2021-07-10 06:41:14,644 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 127.9 MB. Free memory is still 108.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 22.79 ms. Allocated memory is still 127.9 MB. Free memory was 107.2 MB in the beginning and 105.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 12.52 ms. Allocated memory is still 127.9 MB. Free memory was 105.8 MB in the beginning and 104.8 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 244.19 ms. Allocated memory is still 127.9 MB. Free memory was 104.7 MB in the beginning and 103.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 6.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 142322.28 ms. Allocated memory was 127.9 MB in the beginning and 292.6 MB in the end (delta: 164.6 MB). Free memory was 103.1 MB in the beginning and 192.1 MB in the end (delta: -89.0 MB). Peak memory consumption was 75.5 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...