/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-None-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-array.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-13 05:36:22,615 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-13 05:36:22,618 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-13 05:36:22,655 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-13 05:36:22,720 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-13 05:36:22,721 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-13 05:36:22,722 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-13 05:36:22,726 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-None-NoLbe.epf [2021-06-13 05:36:22,760 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-13 05:36:22,761 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-13 05:36:22,761 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-13 05:36:22,762 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-13 05:36:22,764 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-13 05:36:22,764 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-13 05:36:22,764 INFO L138 SettingsManager]: * Use SBE=true [2021-06-13 05:36:22,765 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-13 05:36:22,765 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-13 05:36:22,765 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-13 05:36:22,766 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-13 05:36:22,766 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-13 05:36:22,766 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-13 05:36:22,766 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-13 05:36:22,766 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-13 05:36:22,767 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-13 05:36:22,767 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-13 05:36:22,767 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-13 05:36:22,767 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-13 05:36:22,767 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-13 05:36:22,767 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-13 05:36:22,768 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-13 05:36:22,768 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-13 05:36:22,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-13 05:36:22,768 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-13 05:36:22,768 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-13 05:36:22,768 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-13 05:36:22,769 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-13 05:36:22,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-13 05:36:22,769 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-13 05:36:22,769 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-13 05:36:22,769 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-13 05:36:22,770 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-13 05:36:23,079 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-13 05:36:23,110 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-13 05:36:23,113 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-13 05:36:23,114 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-13 05:36:23,115 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-13 05:36:23,115 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-array.wvr.bpl [2021-06-13 05:36:23,116 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-array.wvr.bpl' [2021-06-13 05:36:23,148 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-13 05:36:23,150 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-13 05:36:23,151 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-13 05:36:23,151 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-13 05:36:23,151 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-13 05:36:23,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 05:36:23" (1/1) ... [2021-06-13 05:36:23,175 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 05:36:23" (1/1) ... [2021-06-13 05:36:23,182 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-13 05:36:23,184 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-13 05:36:23,185 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-13 05:36:23,185 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-13 05:36:23,191 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 05:36:23" (1/1) ... [2021-06-13 05:36:23,192 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 05:36:23" (1/1) ... [2021-06-13 05:36:23,193 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 05:36:23" (1/1) ... [2021-06-13 05:36:23,193 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 05:36:23" (1/1) ... [2021-06-13 05:36:23,197 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 05:36:23" (1/1) ... [2021-06-13 05:36:23,201 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 05:36:23" (1/1) ... [2021-06-13 05:36:23,202 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 05:36:23" (1/1) ... [2021-06-13 05:36:23,206 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-13 05:36:23,208 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-13 05:36:23,209 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-13 05:36:23,210 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-13 05:36:23,211 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 05:36:23" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-13 05:36:23,282 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-13 05:36:23,282 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-13 05:36:23,282 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-13 05:36:23,282 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-13 05:36:23,282 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-13 05:36:23,282 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-13 05:36:23,283 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-13 05:36:23,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-13 05:36:23,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-13 05:36:23,283 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-13 05:36:23,283 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-13 05:36:23,283 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-13 05:36:23,284 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-13 05:36:23,463 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-13 05:36:23,464 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-13 05:36:23,466 INFO L202 PluginConnector]: Adding new model max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.06 05:36:23 BoogieIcfgContainer [2021-06-13 05:36:23,466 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-13 05:36:23,468 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-13 05:36:23,468 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-13 05:36:23,471 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-13 05:36:23,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 05:36:23" (1/2) ... [2021-06-13 05:36:23,471 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63cc9696 and model type max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.06 05:36:23, skipping insertion in model container [2021-06-13 05:36:23,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.06 05:36:23" (2/2) ... [2021-06-13 05:36:23,473 INFO L111 eAbstractionObserver]: Analyzing ICFG max-array.wvr.bpl [2021-06-13 05:36:23,477 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-13 05:36:23,478 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-13 05:36:23,478 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-13 05:36:23,479 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-13 05:36:23,508 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-13 05:36:23,526 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-13 05:36:23,602 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-13 05:36:23,602 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-13 05:36:23,602 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-13 05:36:23,602 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-13 05:36:23,602 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-13 05:36:23,602 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-13 05:36:23,603 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-13 05:36:23,604 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-13 05:36:23,618 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 36 places, 29 transitions, 82 flow [2021-06-13 05:36:23,642 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 114 states, 112 states have (on average 2.8035714285714284) internal successors, (314), 113 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 05:36:23,651 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 05:36:23,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 05:36:23,657 INFO L82 PathProgramCache]: Analyzing trace with hash 1883086971, now seen corresponding path program 1 times [2021-06-13 05:36:23,664 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 05:36:23,665 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011004344] [2021-06-13 05:36:23,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 05:36:23,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 05:36:23,923 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-13 05:36:23,923 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 05:36:23,924 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011004344] [2021-06-13 05:36:23,924 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011004344] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 05:36:23,924 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [91906929] [2021-06-13 05:36:23,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 05:36:24,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 05:36:24,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-13 05:36:24,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 05:36:24,196 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-13 05:36:24,197 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [91906929] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 05:36:24,197 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 05:36:24,197 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-06-13 05:36:24,198 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361773565] [2021-06-13 05:36:24,202 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-13 05:36:24,202 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 05:36:24,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-13 05:36:24,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-06-13 05:36:24,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 05:36:24,213 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 05:36:24,213 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 05:36:24,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 05:36:24,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-13 05:36:24,546 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-06-13 05:36:24,546 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 05:36:24,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 05:36:24,547 INFO L82 PathProgramCache]: Analyzing trace with hash -1950030665, now seen corresponding path program 2 times [2021-06-13 05:36:24,547 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 05:36:24,547 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060020651] [2021-06-13 05:36:24,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 05:36:24,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 05:36:24,680 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 05:36:24,681 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 05:36:24,681 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060020651] [2021-06-13 05:36:24,681 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060020651] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 05:36:24,681 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [899901932] [2021-06-13 05:36:24,681 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 05:36:24,726 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-13 05:36:24,726 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 05:36:24,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-13 05:36:24,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 05:36:24,897 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 05:36:24,898 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [899901932] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 05:36:24,898 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 05:36:24,898 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 16 [2021-06-13 05:36:24,898 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346532861] [2021-06-13 05:36:24,899 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-13 05:36:24,899 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 05:36:24,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-13 05:36:24,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2021-06-13 05:36:24,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 05:36:24,900 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 05:36:24,900 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 05:36:24,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-13 05:36:24,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 05:36:25,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-13 05:36:25,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 05:36:25,333 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 05:36:25,334 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 05:36:25,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 05:36:25,334 INFO L82 PathProgramCache]: Analyzing trace with hash -425896557, now seen corresponding path program 3 times [2021-06-13 05:36:25,334 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 05:36:25,335 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706090228] [2021-06-13 05:36:25,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 05:36:25,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 05:36:25,462 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 14 proven. 9 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-13 05:36:25,462 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 05:36:25,462 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706090228] [2021-06-13 05:36:25,463 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706090228] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 05:36:25,463 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1786190203] [2021-06-13 05:36:25,463 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 05:36:25,509 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-13 05:36:25,509 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 05:36:25,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-13 05:36:25,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 05:36:25,679 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-13 05:36:25,679 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1786190203] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 05:36:25,680 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 05:36:25,680 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 15 [2021-06-13 05:36:25,680 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965383551] [2021-06-13 05:36:25,680 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-13 05:36:25,680 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 05:36:25,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-13 05:36:25,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2021-06-13 05:36:25,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 05:36:25,682 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 05:36:25,682 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 3.066666666666667) internal successors, (46), 15 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 05:36:25,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-13 05:36:25,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 05:36:25,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 05:36:25,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-13 05:36:25,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 05:36:25,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 05:36:26,017 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 05:36:26,017 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 05:36:26,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 05:36:26,018 INFO L82 PathProgramCache]: Analyzing trace with hash -1668783591, now seen corresponding path program 4 times [2021-06-13 05:36:26,018 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 05:36:26,018 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86094065] [2021-06-13 05:36:26,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 05:36:26,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 05:36:26,884 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 42 [2021-06-13 05:36:27,093 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2021-06-13 05:36:27,441 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 94 [2021-06-13 05:36:27,849 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 109 [2021-06-13 05:36:28,246 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 104 [2021-06-13 05:36:28,444 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2021-06-13 05:36:28,655 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 05:36:28,656 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 05:36:28,656 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86094065] [2021-06-13 05:36:28,656 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86094065] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 05:36:28,656 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2016212928] [2021-06-13 05:36:28,656 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 05:36:28,705 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-13 05:36:28,705 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 05:36:28,706 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 48 conjunts are in the unsatisfiable core [2021-06-13 05:36:28,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 05:36:31,040 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 120 [2021-06-13 05:36:32,637 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 320 [2021-06-13 05:36:36,531 WARN L205 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 362 DAG size of output: 328 [2021-06-13 05:36:39,661 WARN L205 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 347 DAG size of output: 329 [2021-06-13 05:36:42,483 WARN L205 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 341 DAG size of output: 331 [2021-06-13 05:36:43,934 WARN L205 SmtUtils]: Spent 959.00 ms on a formula simplification that was a NOOP. DAG size: 330 [2021-06-13 05:36:45,342 WARN L205 SmtUtils]: Spent 669.00 ms on a formula simplification that was a NOOP. DAG size: 317 [2021-06-13 05:36:46,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:36:47,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:36:47,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:36:47,004 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 05:36:47,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:36:47,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:36:47,025 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 05:36:47,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 25 [2021-06-13 05:36:47,045 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 05:36:47,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:36:47,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:36:47,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:36:47,094 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 05:36:47,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:36:47,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:36:47,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 22 [2021-06-13 05:36:47,102 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-13 05:36:51,315 WARN L205 SmtUtils]: Spent 4.21 s on a formula simplification. DAG size of input: 758 DAG size of output: 604 [2021-06-13 05:36:51,316 INFO L628 ElimStorePlain]: treesize reduction 2000, result has 43.9 percent of original size [2021-06-13 05:36:51,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:36:51,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:36:51,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:36:51,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:36:51,350 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 22 [2021-06-13 05:36:51,353 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-13 05:36:52,504 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 592 [2021-06-13 05:36:52,505 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 05:36:52,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:36:52,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:36:52,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:36:52,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:36:52,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-06-13 05:36:52,550 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-13 05:36:53,703 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 580 [2021-06-13 05:36:53,704 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 05:36:53,744 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 05:36:53,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:36:53,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:36:53,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:36:53,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:36:53,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-13 05:36:53,754 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-13 05:36:54,853 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 567 [2021-06-13 05:36:54,869 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 05:36:54,900 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 05:36:54,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:36:54,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:36:54,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:36:54,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:36:54,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-06-13 05:36:54,911 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-13 05:36:55,968 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 554 [2021-06-13 05:36:55,968 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 05:36:55,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:36:55,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:36:55,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:36:55,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:36:55,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-13 05:36:56,001 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-13 05:36:56,993 WARN L205 SmtUtils]: Spent 992.00 ms on a formula simplification that was a NOOP. DAG size: 541 [2021-06-13 05:36:56,994 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 05:36:57,029 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 05:36:57,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:36:57,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:36:57,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:36:57,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:36:57,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 22 [2021-06-13 05:36:57,040 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-13 05:36:58,001 WARN L205 SmtUtils]: Spent 960.00 ms on a formula simplification that was a NOOP. DAG size: 528 [2021-06-13 05:36:58,002 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 05:36:58,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:36:58,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:36:58,029 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 05:36:58,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:36:58,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:36:58,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-06-13 05:36:58,034 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-13 05:36:58,966 WARN L205 SmtUtils]: Spent 930.00 ms on a formula simplification that was a NOOP. DAG size: 514 [2021-06-13 05:36:58,966 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 05:36:58,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:36:58,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:36:58,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:36:58,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:36:58,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 22 [2021-06-13 05:36:59,000 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-13 05:36:59,888 WARN L205 SmtUtils]: Spent 887.00 ms on a formula simplification that was a NOOP. DAG size: 501 [2021-06-13 05:36:59,889 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 05:36:59,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:36:59,915 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 05:36:59,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:36:59,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:36:59,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:36:59,924 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-13 05:36:59,931 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-13 05:37:00,829 WARN L205 SmtUtils]: Spent 896.00 ms on a formula simplification that was a NOOP. DAG size: 488 [2021-06-13 05:37:00,829 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 05:37:00,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:00,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:00,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:00,857 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 05:37:00,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:00,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 22 [2021-06-13 05:37:00,860 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-13 05:37:01,691 WARN L205 SmtUtils]: Spent 830.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2021-06-13 05:37:01,692 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 05:37:01,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:01,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:01,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:01,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:01,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 22 [2021-06-13 05:37:01,721 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-13 05:37:02,502 WARN L205 SmtUtils]: Spent 779.00 ms on a formula simplification that was a NOOP. DAG size: 462 [2021-06-13 05:37:02,502 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 05:37:02,524 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 05:37:02,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:02,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:02,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:02,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:02,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 22 [2021-06-13 05:37:02,531 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-13 05:37:03,282 WARN L205 SmtUtils]: Spent 751.00 ms on a formula simplification that was a NOOP. DAG size: 448 [2021-06-13 05:37:03,283 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 05:37:03,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:03,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:03,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:03,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:03,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 22 [2021-06-13 05:37:03,309 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-13 05:37:04,021 WARN L205 SmtUtils]: Spent 711.00 ms on a formula simplification that was a NOOP. DAG size: 435 [2021-06-13 05:37:04,021 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 05:37:04,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:04,042 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 05:37:04,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:04,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:04,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:04,045 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 22 [2021-06-13 05:37:04,054 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-13 05:37:04,754 WARN L205 SmtUtils]: Spent 699.00 ms on a formula simplification that was a NOOP. DAG size: 421 [2021-06-13 05:37:04,754 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 05:37:04,773 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 05:37:04,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:04,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:04,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:04,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:04,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 22 [2021-06-13 05:37:04,780 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-13 05:37:05,438 WARN L205 SmtUtils]: Spent 657.00 ms on a formula simplification that was a NOOP. DAG size: 407 [2021-06-13 05:37:05,438 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 05:37:05,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:05,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:05,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:05,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:05,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 22 [2021-06-13 05:37:05,481 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-13 05:37:06,124 WARN L205 SmtUtils]: Spent 642.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2021-06-13 05:37:06,124 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 05:37:06,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:06,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:06,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:06,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:06,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 22 [2021-06-13 05:37:06,148 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-13 05:37:06,743 WARN L205 SmtUtils]: Spent 594.00 ms on a formula simplification that was a NOOP. DAG size: 381 [2021-06-13 05:37:06,745 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 05:37:06,745 INFO L518 ElimStorePlain]: Eliminatee A vanished before elimination [2021-06-13 05:37:06,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:06,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:06,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:06,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:06,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-13 05:37:06,769 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-13 05:37:07,371 WARN L205 SmtUtils]: Spent 602.00 ms on a formula simplification that was a NOOP. DAG size: 368 [2021-06-13 05:37:07,372 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 05:37:07,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:07,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:07,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:07,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:07,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 22 [2021-06-13 05:37:07,402 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-13 05:37:07,955 WARN L205 SmtUtils]: Spent 552.00 ms on a formula simplification that was a NOOP. DAG size: 355 [2021-06-13 05:37:07,955 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 05:37:07,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:07,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:07,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:07,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:07,987 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 22 [2021-06-13 05:37:07,990 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-13 05:37:08,517 WARN L205 SmtUtils]: Spent 526.00 ms on a formula simplification that was a NOOP. DAG size: 342 [2021-06-13 05:37:08,518 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 05:37:08,534 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 05:37:08,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:08,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:08,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:08,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:08,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-13 05:37:08,542 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-13 05:37:09,040 WARN L205 SmtUtils]: Spent 496.00 ms on a formula simplification that was a NOOP. DAG size: 328 [2021-06-13 05:37:09,040 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 05:37:09,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:09,063 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 05:37:09,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:09,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:09,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:09,066 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 22 [2021-06-13 05:37:09,068 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-13 05:37:09,540 WARN L205 SmtUtils]: Spent 471.00 ms on a formula simplification that was a NOOP. DAG size: 314 [2021-06-13 05:37:09,541 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 05:37:09,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:09,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:09,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:09,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:09,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 22 [2021-06-13 05:37:09,562 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-13 05:37:10,016 WARN L205 SmtUtils]: Spent 453.00 ms on a formula simplification that was a NOOP. DAG size: 301 [2021-06-13 05:37:10,016 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 05:37:10,037 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 05:37:10,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:10,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:10,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:10,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:10,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-13 05:37:10,045 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-13 05:37:10,476 WARN L205 SmtUtils]: Spent 429.00 ms on a formula simplification that was a NOOP. DAG size: 287 [2021-06-13 05:37:10,476 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 05:37:10,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:10,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:10,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:10,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:10,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-13 05:37:10,499 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-13 05:37:10,909 WARN L205 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 274 [2021-06-13 05:37:10,909 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 05:37:10,923 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 05:37:10,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:10,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:10,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:10,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:10,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 22 [2021-06-13 05:37:10,930 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-13 05:37:11,323 WARN L205 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 260 [2021-06-13 05:37:11,325 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 05:37:11,345 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 05:37:11,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:11,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:11,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:11,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:11,350 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 22 [2021-06-13 05:37:11,353 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-13 05:37:11,720 WARN L205 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 246 [2021-06-13 05:37:11,720 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 05:37:11,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:11,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:11,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:11,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:11,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-13 05:37:11,746 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-13 05:37:12,099 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2021-06-13 05:37:12,099 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 05:37:12,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:12,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:12,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:12,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:12,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-06-13 05:37:12,118 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-13 05:37:12,435 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-06-13 05:37:12,435 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 05:37:12,447 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 05:37:12,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:12,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:12,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:12,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:37:12,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 22 [2021-06-13 05:37:12,454 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-13 05:37:12,753 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-06-13 05:37:12,754 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 05:37:12,780 INFO L550 ElimStorePlain]: Start of recursive call 1: 64 dim-0 vars, 32 dim-1 vars, End of recursive call: and 10 xjuncts. [2021-06-13 05:37:12,780 INFO L247 ElimStorePlain]: Needed 33 recursive calls to eliminate 96 variables, input treesize:3666, output treesize:71 [2021-06-13 05:37:12,873 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 05:37:12,873 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2016212928] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 05:37:12,873 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 05:37:12,873 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 30 [2021-06-13 05:37:12,873 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143786372] [2021-06-13 05:37:12,874 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-13 05:37:12,874 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 05:37:12,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-13 05:37:12,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=754, Unknown=0, NotChecked=0, Total=870 [2021-06-13 05:37:12,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 05:37:12,875 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 05:37:12,875 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 2.4) internal successors, (72), 30 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 05:37:12,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-13 05:37:12,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 05:37:12,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 05:37:12,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 05:37:13,128 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 33 [2021-06-13 05:37:13,397 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 45 [2021-06-13 05:37:13,661 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 64 [2021-06-13 05:37:13,957 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 60 [2021-06-13 05:37:14,349 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 407 DAG size of output: 84 [2021-06-13 05:37:17,831 WARN L205 SmtUtils]: Spent 3.33 s on a formula simplification. DAG size of input: 389 DAG size of output: 155 [2021-06-13 05:37:18,036 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 49 [2021-06-13 05:37:18,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-13 05:37:18,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 05:37:18,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 05:37:18,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-13 05:37:18,488 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 05:37:18,489 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 05:37:18,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 05:37:18,489 INFO L82 PathProgramCache]: Analyzing trace with hash 1494163601, now seen corresponding path program 5 times [2021-06-13 05:37:18,489 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 05:37:18,489 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701852950] [2021-06-13 05:37:18,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 05:37:18,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 05:37:20,988 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 63 [2021-06-13 05:37:21,718 WARN L205 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 189 [2021-06-13 05:37:22,386 WARN L205 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 98 [2021-06-13 05:37:23,406 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 303 DAG size of output: 274 [2021-06-13 05:37:24,371 WARN L205 SmtUtils]: Spent 902.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 119 [2021-06-13 05:37:26,148 WARN L205 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 382 DAG size of output: 319 [2021-06-13 05:37:27,466 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 319 DAG size of output: 155 [2021-06-13 05:37:29,123 WARN L205 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 391 DAG size of output: 329 [2021-06-13 05:37:30,565 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 329 DAG size of output: 163 [2021-06-13 05:37:32,176 WARN L205 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 405 DAG size of output: 360 [2021-06-13 05:37:34,374 WARN L205 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 360 DAG size of output: 202 [2021-06-13 05:37:34,831 WARN L205 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 253 [2021-06-13 05:37:35,856 WARN L205 SmtUtils]: Spent 943.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 150 [2021-06-13 05:37:35,964 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 170 [2021-06-13 05:37:36,536 WARN L205 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 104 [2021-06-13 05:37:36,919 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 74 [2021-06-13 05:37:37,162 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 55 [2021-06-13 05:37:37,392 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 48 [2021-06-13 05:37:37,584 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 1 proven. 73 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 05:37:37,584 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 05:37:37,584 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701852950] [2021-06-13 05:37:37,585 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701852950] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 05:37:37,585 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [990564647] [2021-06-13 05:37:37,585 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 05:37:37,647 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-06-13 05:37:37,647 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 05:37:37,648 WARN L261 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 60 conjunts are in the unsatisfiable core [2021-06-13 05:37:37,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 05:37:39,479 WARN L205 SmtUtils]: Spent 964.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2021-06-13 05:37:45,641 WARN L205 SmtUtils]: Spent 4.27 s on a formula simplification that was a NOOP. DAG size: 496 [2021-06-13 05:37:50,677 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 675 DAG size of output: 675 [2021-06-13 05:37:52,762 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 1041 DAG size of output: 1041 [2021-06-13 05:37:53,340 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 1296 DAG size of output: 1296 [2021-06-13 05:37:53,468 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 1296 DAG size of output: 1296 [2021-06-13 05:39:14,045 WARN L205 SmtUtils]: Spent 1.30 m on a formula simplification that was a NOOP. DAG size: 1296 [2021-06-13 05:39:14,273 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 1300 DAG size of output: 1299 [2021-06-13 05:39:15,051 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 1426 DAG size of output: 1426 [2021-06-13 05:39:15,730 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 1296 DAG size of output: 1296 [2021-06-13 05:39:16,285 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 1296 DAG size of output: 1296 [2021-06-13 05:39:16,528 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 2338 DAG size of output: 2338 [2021-06-13 05:39:17,086 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 2593 DAG size of output: 2593 [2021-06-13 05:39:17,222 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 2593 DAG size of output: 2593 [2021-06-13 05:40:42,387 WARN L205 SmtUtils]: Spent 1.39 m on a formula simplification that was a NOOP. DAG size: 2593 [2021-06-13 05:40:42,552 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 2593 DAG size of output: 2593 [2021-06-13 05:40:43,738 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 2338 DAG size of output: 2338 [2021-06-13 05:40:44,303 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 2593 DAG size of output: 2593 [2021-06-13 05:40:44,439 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 2593 DAG size of output: 2593 [2021-06-13 05:40:44,771 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 2593 DAG size of output: 2593 [2021-06-13 05:40:45,952 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 2338 DAG size of output: 2338 [2021-06-13 05:40:46,547 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 2593 DAG size of output: 2593 [2021-06-13 05:40:46,679 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 2593 DAG size of output: 2593 [2021-06-13 05:40:47,072 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 2601 DAG size of output: 2601 [2021-06-13 05:40:47,300 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 2616 DAG size of output: 2618 [2021-06-13 05:40:48,007 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 2623 DAG size of output: 2623 [2021-06-13 05:40:48,722 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 2616 DAG size of output: 2613 [2021-06-13 05:40:49,133 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 2486 DAG size of output: 2358 [2021-06-13 05:40:49,681 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 2613 DAG size of output: 2613 [2021-06-13 05:40:49,814 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 2613 DAG size of output: 2613 [2021-06-13 05:42:06,846 WARN L205 SmtUtils]: Spent 1.25 m on a formula simplification that was a NOOP. DAG size: 2613 [2021-06-13 05:42:07,008 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 2613 DAG size of output: 2613 [2021-06-13 05:42:08,135 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 2358 DAG size of output: 2358 [2021-06-13 05:42:08,680 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 2613 DAG size of output: 2613 [2021-06-13 05:42:08,814 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 2613 DAG size of output: 2613 [2021-06-13 05:42:09,209 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 2621 DAG size of output: 2621 [2021-06-13 05:42:09,434 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 2618 DAG size of output: 2618 [2021-06-13 05:42:09,721 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 2618 DAG size of output: 2618 [2021-06-13 05:42:09,924 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 2619 DAG size of output: 2619 [2021-06-13 05:42:10,125 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 2619 DAG size of output: 2619 [2021-06-13 05:42:10,545 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 2623 DAG size of output: 2623 [2021-06-13 05:42:11,216 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 2619 DAG size of output: 2614 [2021-06-13 05:42:11,644 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 2486 DAG size of output: 2359 [2021-06-13 05:42:12,193 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 2614 DAG size of output: 2614 [2021-06-13 05:42:12,323 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 2614 DAG size of output: 2614 [2021-06-13 05:43:10,575 WARN L205 SmtUtils]: Spent 56.03 s on a formula simplification that was a NOOP. DAG size: 2614 [2021-06-13 05:43:10,739 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 2614 DAG size of output: 2614 [2021-06-13 05:43:11,850 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 2359 DAG size of output: 2359 [2021-06-13 05:43:12,400 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 2614 DAG size of output: 2614 [2021-06-13 05:43:12,529 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 2614 DAG size of output: 2614 [2021-06-13 05:43:12,921 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 2622 DAG size of output: 2622 [2021-06-13 05:43:13,141 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 2621 DAG size of output: 2620 [2021-06-13 05:43:13,843 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 2625 DAG size of output: 2625 [2021-06-13 05:43:14,528 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 2624 DAG size of output: 2616 [2021-06-13 05:43:14,922 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 2488 DAG size of output: 2361 [2021-06-13 05:43:15,474 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 2616 DAG size of output: 2616 [2021-06-13 05:43:15,604 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 2616 DAG size of output: 2616 [2021-06-13 05:44:18,160 WARN L205 SmtUtils]: Spent 1.00 m on a formula simplification that was a NOOP. DAG size: 2616 [2021-06-13 05:44:18,437 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 2618 DAG size of output: 2618 [2021-06-13 05:44:19,609 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 2615 DAG size of output: 2615 [2021-06-13 05:44:19,809 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 2360 DAG size of output: 2360 [2021-06-13 05:44:20,358 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 2615 DAG size of output: 2615 [2021-06-13 05:44:20,493 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 2615 DAG size of output: 2615 [2021-06-13 05:45:29,165 WARN L205 SmtUtils]: Spent 1.10 m on a formula simplification that was a NOOP. DAG size: 2615 [2021-06-13 05:45:29,330 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 2615 DAG size of output: 2615 [2021-06-13 05:45:30,449 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 2360 DAG size of output: 2360 [2021-06-13 05:45:30,996 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 2615 DAG size of output: 2615 [2021-06-13 05:45:31,129 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 2615 DAG size of output: 2615 [2021-06-13 05:45:31,516 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 2621 DAG size of output: 2621 [2021-06-13 05:45:32,282 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 2625 DAG size of output: 2625 [2021-06-13 05:45:33,106 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 2603 DAG size of output: 2590 [2021-06-13 05:45:33,595 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 2464 DAG size of output: 2335 [2021-06-13 05:45:34,141 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 2590 DAG size of output: 2590 [2021-06-13 05:45:34,262 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 2590 DAG size of output: 2590 [2021-06-13 05:46:06,807 WARN L227 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2021-06-13 05:46:06,808 WARN L348 FreeRefinementEngine]: Global settings require throwing the following exception [2021-06-13 05:46:07,015 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable158 [2021-06-13 05:46:07,016 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.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:61) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.getRedundancy(SimplifyDDA.java:626) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getRedundancy(SimplifyDDAWithTimeout.java:120) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA$Simplifier.walk(SimplifyDDA.java:371) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.simplifyOnce(SimplifyDDA.java:650) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:180) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:173) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:140) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:360) 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:561) 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:364) 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$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:238) ... 53 more [2021-06-13 05:46:07,019 INFO L168 Benchmark]: Toolchain (without parser) took 583869.27 ms. Allocated memory was 197.1 MB in the beginning and 520.1 MB in the end (delta: 323.0 MB). Free memory was 177.3 MB in the beginning and 199.0 MB in the end (delta: -21.7 MB). Peak memory consumption was 319.2 MB. Max. memory is 8.0 GB. [2021-06-13 05:46:07,019 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 197.1 MB. Free memory is still 178.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-13 05:46:07,019 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.48 ms. Allocated memory is still 197.1 MB. Free memory was 177.2 MB in the beginning and 175.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-13 05:46:07,020 INFO L168 Benchmark]: Boogie Preprocessor took 22.83 ms. Allocated memory is still 197.1 MB. Free memory was 175.7 MB in the beginning and 174.7 MB in the end (delta: 974.1 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-13 05:46:07,020 INFO L168 Benchmark]: RCFGBuilder took 258.09 ms. Allocated memory is still 197.1 MB. Free memory was 174.6 MB in the beginning and 161.9 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-06-13 05:46:07,020 INFO L168 Benchmark]: TraceAbstraction took 583550.71 ms. Allocated memory was 197.1 MB in the beginning and 520.1 MB in the end (delta: 323.0 MB). Free memory was 161.5 MB in the beginning and 199.0 MB in the end (delta: -37.5 MB). Peak memory consumption was 301.4 MB. Max. memory is 8.0 GB. [2021-06-13 05:46:07,020 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 197.1 MB. Free memory is still 178.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 31.48 ms. Allocated memory is still 197.1 MB. Free memory was 177.2 MB in the beginning and 175.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 22.83 ms. Allocated memory is still 197.1 MB. Free memory was 175.7 MB in the beginning and 174.7 MB in the end (delta: 974.1 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 258.09 ms. Allocated memory is still 197.1 MB. Free memory was 174.6 MB in the beginning and 161.9 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 583550.71 ms. Allocated memory was 197.1 MB in the beginning and 520.1 MB in the end (delta: 323.0 MB). Free memory was 161.5 MB in the beginning and 199.0 MB in the end (delta: -37.5 MB). Peak memory consumption was 301.4 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...