/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/heap-data/shared_mem1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 00:38:11,372 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 00:38:11,375 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 00:38:11,388 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 00:38:11,389 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 00:38:11,390 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 00:38:11,391 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 00:38:11,393 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 00:38:11,395 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 00:38:11,395 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 00:38:11,396 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 00:38:11,398 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 00:38:11,398 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 00:38:11,399 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 00:38:11,400 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 00:38:11,401 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 00:38:11,402 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 00:38:11,402 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 00:38:11,404 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 00:38:11,406 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 00:38:11,408 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 00:38:11,409 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 00:38:11,410 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 00:38:11,411 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 00:38:11,413 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 00:38:11,423 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 00:38:11,423 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 00:38:11,424 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 00:38:11,428 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-24 00:38:11,450 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 00:38:11,451 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 00:38:11,451 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 00:38:11,452 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 00:38:11,452 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 00:38:11,452 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 00:38:11,452 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 00:38:11,453 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 00:38:11,453 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 00:38:11,453 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 00:38:11,453 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 00:38:11,453 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 00:38:11,454 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 00:38:11,454 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 00:38:11,454 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 00:38:11,455 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 00:38:11,455 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 00:38:11,455 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 00:38:11,455 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 00:38:11,456 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 00:38:11,456 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 00:38:11,456 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 00:38:11,456 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 00:38:11,456 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 00:38:11,457 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 00:38:11,457 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 00:38:11,457 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 00:38:11,457 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 00:38:11,457 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 00:38:11,458 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 00:38:11,458 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 00:38:11,458 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 00:38:11,458 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 00:38:11,459 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 00:38:11,459 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 00:38:11,459 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 00:38:11,459 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 00:38:11,459 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 00:38:11,759 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 00:38:11,782 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 00:38:11,785 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 00:38:11,787 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 00:38:11,787 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 00:38:11,788 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/heap-data/shared_mem1.i [2019-11-24 00:38:11,855 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f85d1f46/aafdb80c6d8045d1acde29bd1e380d5d/FLAG997f348f0 [2019-11-24 00:38:12,413 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 00:38:12,415 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/heap-data/shared_mem1.i [2019-11-24 00:38:12,437 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f85d1f46/aafdb80c6d8045d1acde29bd1e380d5d/FLAG997f348f0 [2019-11-24 00:38:12,689 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f85d1f46/aafdb80c6d8045d1acde29bd1e380d5d [2019-11-24 00:38:12,700 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 00:38:12,701 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 00:38:12,702 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 00:38:12,702 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 00:38:12,706 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 00:38:12,707 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:38:12" (1/1) ... [2019-11-24 00:38:12,710 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@588dc2cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:38:12, skipping insertion in model container [2019-11-24 00:38:12,710 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:38:12" (1/1) ... [2019-11-24 00:38:12,718 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 00:38:12,757 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 00:38:13,183 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 00:38:13,194 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 00:38:13,255 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 00:38:13,306 INFO L208 MainTranslator]: Completed translation [2019-11-24 00:38:13,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:38:13 WrapperNode [2019-11-24 00:38:13,306 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 00:38:13,307 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 00:38:13,307 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 00:38:13,307 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 00:38:13,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:38:13" (1/1) ... [2019-11-24 00:38:13,333 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:38:13" (1/1) ... [2019-11-24 00:38:13,357 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 00:38:13,358 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 00:38:13,358 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 00:38:13,358 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 00:38:13,368 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:38:13" (1/1) ... [2019-11-24 00:38:13,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:38:13" (1/1) ... [2019-11-24 00:38:13,372 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:38:13" (1/1) ... [2019-11-24 00:38:13,372 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:38:13" (1/1) ... [2019-11-24 00:38:13,380 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:38:13" (1/1) ... [2019-11-24 00:38:13,385 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:38:13" (1/1) ... [2019-11-24 00:38:13,387 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:38:13" (1/1) ... [2019-11-24 00:38:13,390 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 00:38:13,391 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 00:38:13,391 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 00:38:13,391 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 00:38:13,392 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:38:13" (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 [2019-11-24 00:38:13,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-24 00:38:13,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-24 00:38:13,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-24 00:38:13,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-24 00:38:13,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-24 00:38:13,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 00:38:13,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 00:38:14,114 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 00:38:14,114 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-24 00:38:14,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:38:14 BoogieIcfgContainer [2019-11-24 00:38:14,116 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 00:38:14,117 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-24 00:38:14,117 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-24 00:38:14,120 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-24 00:38:14,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:38:12" (1/3) ... [2019-11-24 00:38:14,122 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5939100c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:38:14, skipping insertion in model container [2019-11-24 00:38:14,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:38:13" (2/3) ... [2019-11-24 00:38:14,122 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5939100c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:38:14, skipping insertion in model container [2019-11-24 00:38:14,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:38:14" (3/3) ... [2019-11-24 00:38:14,124 INFO L109 eAbstractionObserver]: Analyzing ICFG shared_mem1.i [2019-11-24 00:38:14,135 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-24 00:38:14,143 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-24 00:38:14,157 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-24 00:38:14,178 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-24 00:38:14,178 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-24 00:38:14,179 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-24 00:38:14,179 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-24 00:38:14,179 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-24 00:38:14,179 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-24 00:38:14,179 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-24 00:38:14,179 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-24 00:38:14,191 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2019-11-24 00:38:14,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-24 00:38:14,198 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 00:38:14,199 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-11-24 00:38:14,199 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 00:38:14,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 00:38:14,204 INFO L82 PathProgramCache]: Analyzing trace with hash -1727784026, now seen corresponding path program 1 times [2019-11-24 00:38:14,211 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 00:38:14,212 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713430895] [2019-11-24 00:38:14,212 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 00:38:14,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 00:38:14,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 00:38:14,369 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713430895] [2019-11-24 00:38:14,370 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 00:38:14,370 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-24 00:38:14,371 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3296721] [2019-11-24 00:38:14,376 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-24 00:38:14,376 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 00:38:14,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-24 00:38:14,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-24 00:38:14,399 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 2 states. [2019-11-24 00:38:14,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 00:38:14,419 INFO L93 Difference]: Finished difference Result 15 states and 19 transitions. [2019-11-24 00:38:14,419 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-24 00:38:14,420 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2019-11-24 00:38:14,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 00:38:14,431 INFO L225 Difference]: With dead ends: 15 [2019-11-24 00:38:14,432 INFO L226 Difference]: Without dead ends: 8 [2019-11-24 00:38:14,436 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-24 00:38:14,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2019-11-24 00:38:14,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2019-11-24 00:38:14,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-11-24 00:38:14,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 9 transitions. [2019-11-24 00:38:14,476 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 9 transitions. Word has length 6 [2019-11-24 00:38:14,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 00:38:14,477 INFO L462 AbstractCegarLoop]: Abstraction has 8 states and 9 transitions. [2019-11-24 00:38:14,477 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-24 00:38:14,477 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2019-11-24 00:38:14,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-24 00:38:14,478 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 00:38:14,478 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-24 00:38:14,479 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 00:38:14,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 00:38:14,479 INFO L82 PathProgramCache]: Analyzing trace with hash 1888773959, now seen corresponding path program 1 times [2019-11-24 00:38:14,480 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 00:38:14,480 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496603094] [2019-11-24 00:38:14,480 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 00:38:14,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 00:38:14,948 WARN L192 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 41 [2019-11-24 00:38:14,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 00:38:14,964 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496603094] [2019-11-24 00:38:14,965 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 00:38:14,965 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-24 00:38:14,965 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783059102] [2019-11-24 00:38:14,967 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-24 00:38:14,967 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 00:38:14,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-24 00:38:14,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-24 00:38:14,968 INFO L87 Difference]: Start difference. First operand 8 states and 9 transitions. Second operand 5 states. [2019-11-24 00:38:15,104 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2019-11-24 00:38:15,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 00:38:15,166 INFO L93 Difference]: Finished difference Result 15 states and 17 transitions. [2019-11-24 00:38:15,167 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-24 00:38:15,167 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 7 [2019-11-24 00:38:15,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 00:38:15,168 INFO L225 Difference]: With dead ends: 15 [2019-11-24 00:38:15,168 INFO L226 Difference]: Without dead ends: 13 [2019-11-24 00:38:15,169 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-24 00:38:15,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2019-11-24 00:38:15,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2019-11-24 00:38:15,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-11-24 00:38:15,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2019-11-24 00:38:15,174 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 15 transitions. Word has length 7 [2019-11-24 00:38:15,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 00:38:15,175 INFO L462 AbstractCegarLoop]: Abstraction has 13 states and 15 transitions. [2019-11-24 00:38:15,175 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-24 00:38:15,175 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2019-11-24 00:38:15,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-24 00:38:15,176 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 00:38:15,176 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 00:38:15,176 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 00:38:15,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 00:38:15,177 INFO L82 PathProgramCache]: Analyzing trace with hash 2091146340, now seen corresponding path program 1 times [2019-11-24 00:38:15,177 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 00:38:15,177 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613896101] [2019-11-24 00:38:15,177 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 00:38:15,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 00:38:15,637 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 00:38:15,638 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613896101] [2019-11-24 00:38:15,638 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [530941661] [2019-11-24 00:38:15,638 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-24 00:38:15,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 00:38:15,743 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 26 conjunts are in the unsatisfiable core [2019-11-24 00:38:15,750 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-24 00:38:15,878 INFO L343 Elim1Store]: treesize reduction 27, result has 50.9 percent of original size [2019-11-24 00:38:15,878 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 44 treesize of output 62 [2019-11-24 00:38:15,880 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-24 00:38:16,000 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-11-24 00:38:16,001 INFO L567 ElimStorePlain]: treesize reduction 22, result has 80.9 percent of original size [2019-11-24 00:38:16,004 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_54|], 2=[|v_#memory_int_51|]} [2019-11-24 00:38:16,013 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 00:38:16,024 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 15 [2019-11-24 00:38:16,024 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-24 00:38:16,060 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:38:16,067 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 00:38:16,069 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2019-11-24 00:38:16,070 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-24 00:38:16,103 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:38:16,104 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-24 00:38:16,104 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:90, output treesize:50 [2019-11-24 00:38:16,171 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-24 00:38:16,174 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:38:16,190 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:38:16,273 INFO L392 ElimStorePlain]: Different costs {3=[|v_#valid_19|, v_prenex_18, |#valid|], 6=[v_prenex_9]} [2019-11-24 00:38:16,998 INFO L237 Elim1Store]: Index analysis took 396 ms [2019-11-24 00:38:17,008 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:38:17,009 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 205 treesize of output 207 [2019-11-24 00:38:17,011 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-24 00:38:49,300 WARN L192 SmtUtils]: Spent 32.29 s on a formula simplification. DAG size of input: 232 DAG size of output: 231 [2019-11-24 00:38:49,302 INFO L567 ElimStorePlain]: treesize reduction 39, result has 94.8 percent of original size [2019-11-24 00:38:50,129 INFO L237 Elim1Store]: Index analysis took 603 ms [2019-11-24 00:38:50,141 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:38:50,142 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 201 treesize of output 211 [2019-11-24 00:38:50,144 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-24 00:39:06,593 WARN L192 SmtUtils]: Spent 16.45 s on a formula simplification that was a NOOP. DAG size: 226 [2019-11-24 00:39:06,593 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:39:06,852 INFO L237 Elim1Store]: Index analysis took 123 ms [2019-11-24 00:39:06,854 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2019-11-24 00:39:06,855 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-24 00:39:07,205 INFO L237 Elim1Store]: Index analysis took 161 ms [2019-11-24 00:39:07,207 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2019-11-24 00:39:07,207 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-11-24 00:39:07,384 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 00:39:07,440 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 00:39:07,442 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 31 [2019-11-24 00:39:07,443 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-11-24 00:39:07,982 WARN L192 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 18 [2019-11-24 00:39:07,983 INFO L567 ElimStorePlain]: treesize reduction 646, result has 3.3 percent of original size [2019-11-24 00:39:07,983 INFO L464 ElimStorePlain]: Eliminatee v_prenex_9 vanished before elimination [2019-11-24 00:39:07,997 INFO L392 ElimStorePlain]: Different costs {0=[v_prenex_8, |v_#memory_$Pointer$.base_49|, |v_#memory_$Pointer$.offset_49|, v_prenex_14, v_prenex_2, v_prenex_11, v_prenex_17, v_prenex_5, |v_#memory_int_53|], 2=[|v_#memory_$Pointer$.base_48|, v_prenex_10, |v_#memory_$Pointer$.offset_48|, v_prenex_13, v_prenex_1, v_prenex_4, |v_#memory_int_52|, v_prenex_16, v_prenex_7], 10=[|v_#memory_int_55|, v_prenex_12, v_prenex_3]} [2019-11-24 00:39:07,998 INFO L464 ElimStorePlain]: Eliminatee v_prenex_8 vanished before elimination [2019-11-24 00:39:07,998 INFO L464 ElimStorePlain]: Eliminatee |v_#memory_$Pointer$.base_49| vanished before elimination [2019-11-24 00:39:07,998 INFO L464 ElimStorePlain]: Eliminatee |v_#memory_$Pointer$.offset_49| vanished before elimination [2019-11-24 00:39:07,998 INFO L464 ElimStorePlain]: Eliminatee v_prenex_14 vanished before elimination [2019-11-24 00:39:07,999 INFO L464 ElimStorePlain]: Eliminatee v_prenex_2 vanished before elimination [2019-11-24 00:39:07,999 INFO L464 ElimStorePlain]: Eliminatee v_prenex_11 vanished before elimination [2019-11-24 00:39:07,999 INFO L464 ElimStorePlain]: Eliminatee v_prenex_17 vanished before elimination [2019-11-24 00:39:07,999 INFO L464 ElimStorePlain]: Eliminatee v_prenex_5 vanished before elimination [2019-11-24 00:39:07,999 INFO L464 ElimStorePlain]: Eliminatee |v_#memory_int_53| vanished before elimination [2019-11-24 00:39:08,000 INFO L464 ElimStorePlain]: Eliminatee |v_#memory_$Pointer$.base_48| vanished before elimination [2019-11-24 00:39:08,000 INFO L464 ElimStorePlain]: Eliminatee v_prenex_10 vanished before elimination [2019-11-24 00:39:08,000 INFO L464 ElimStorePlain]: Eliminatee |v_#memory_$Pointer$.offset_48| vanished before elimination [2019-11-24 00:39:08,000 INFO L464 ElimStorePlain]: Eliminatee v_prenex_13 vanished before elimination [2019-11-24 00:39:08,000 INFO L464 ElimStorePlain]: Eliminatee v_prenex_1 vanished before elimination [2019-11-24 00:39:08,001 INFO L464 ElimStorePlain]: Eliminatee v_prenex_4 vanished before elimination [2019-11-24 00:39:08,001 INFO L464 ElimStorePlain]: Eliminatee |v_#memory_int_52| vanished before elimination [2019-11-24 00:39:08,001 INFO L464 ElimStorePlain]: Eliminatee v_prenex_16 vanished before elimination [2019-11-24 00:39:08,001 INFO L464 ElimStorePlain]: Eliminatee v_prenex_7 vanished before elimination [2019-11-24 00:39:08,002 INFO L464 ElimStorePlain]: Eliminatee |v_#memory_int_55| vanished before elimination [2019-11-24 00:39:08,002 INFO L464 ElimStorePlain]: Eliminatee v_prenex_12 vanished before elimination [2019-11-24 00:39:08,002 INFO L464 ElimStorePlain]: Eliminatee v_prenex_3 vanished before elimination [2019-11-24 00:39:08,002 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 4 dim-1 vars, 21 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-24 00:39:08,003 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 28 variables, input treesize:760, output treesize:22 [2019-11-24 00:39:08,050 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:39:08,051 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:39:08,082 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 00:39:08,082 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-24 00:39:08,092 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:39:08,094 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:39:08,097 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:39:08,099 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:39:08,107 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:39:08,109 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:39:08,124 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-24 00:39:08,272 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-11-24 00:39:08,272 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:39:08,277 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-24 00:39:08,382 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-11-24 00:39:08,383 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:39:08,388 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-24 00:39:08,492 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-11-24 00:39:08,492 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:39:08,497 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-11-24 00:39:08,588 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:39:08,592 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-11-24 00:39:08,702 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 66 [2019-11-24 00:39:08,703 INFO L567 ElimStorePlain]: treesize reduction 19, result has 95.7 percent of original size [2019-11-24 00:39:08,712 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-11-24 00:39:08,762 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:39:08,775 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-11-24 00:39:08,810 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:39:08,813 INFO L496 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-11-24 00:39:08,878 INFO L567 ElimStorePlain]: treesize reduction 21, result has 92.7 percent of original size [2019-11-24 00:39:08,879 INFO L496 ElimStorePlain]: Start of recursive call 1: 8 dim-2 vars, End of recursive call: and 4 xjuncts. [2019-11-24 00:39:08,879 INFO L221 ElimStorePlain]: Needed 9 recursive calls to eliminate 8 variables, input treesize:675, output treesize:266 [2019-11-24 00:39:08,965 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-11-24 00:39:08,966 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:39:08,972 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:39:08,979 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:39:08,985 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:39:09,062 INFO L392 ElimStorePlain]: Different costs {0=[v_prenex_61, v_prenex_50, v_prenex_60, v_prenex_43, v_prenex_32, v_prenex_41, v_prenex_52, v_prenex_58, v_prenex_46, v_prenex_57, v_prenex_35, v_prenex_56, v_prenex_34, v_prenex_55, |v_#memory_$Pointer$.base_52|, |v_#memory_int_53|, v_prenex_59, |#memory_$Pointer$.base|, |#memory_$Pointer$.offset|, |v_#memory_$Pointer$.offset_52|], 2=[v_prenex_31, v_prenex_40, |v_#memory_int_52|, v_prenex_49], 5=[|v_#memory_$Pointer$.base_48|, |v_#memory_$Pointer$.offset_48|, v_prenex_42, v_prenex_51, v_prenex_47, v_prenex_33, v_prenex_29, v_prenex_38], 13=[v_prenex_30, |v_#memory_int_58|, v_prenex_39, v_prenex_48]} [2019-11-24 00:39:09,379 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 57 [2019-11-24 00:39:09,380 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-24 00:39:19,605 WARN L192 SmtUtils]: Spent 10.22 s on a formula simplification that was a NOOP. DAG size: 400 [2019-11-24 00:39:19,605 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:39:19,845 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-24 00:39:27,263 WARN L192 SmtUtils]: Spent 7.42 s on a formula simplification that was a NOOP. DAG size: 395 [2019-11-24 00:39:27,264 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:39:27,482 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 33 [2019-11-24 00:39:27,483 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-24 00:39:35,020 WARN L192 SmtUtils]: Spent 7.54 s on a formula simplification that was a NOOP. DAG size: 393 [2019-11-24 00:39:35,021 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:39:35,421 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 405 treesize of output 389 [2019-11-24 00:39:35,421 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-11-24 00:39:41,900 WARN L192 SmtUtils]: Spent 6.48 s on a formula simplification that was a NOOP. DAG size: 386 [2019-11-24 00:39:41,900 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:39:41,930 INFO L496 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-24 00:39:49,214 WARN L192 SmtUtils]: Spent 7.28 s on a formula simplification that was a NOOP. DAG size: 381 [2019-11-24 00:39:49,214 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:39:49,345 INFO L496 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-24 00:39:54,404 WARN L192 SmtUtils]: Spent 5.06 s on a formula simplification that was a NOOP. DAG size: 376 [2019-11-24 00:39:54,405 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:39:54,491 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 309 treesize of output 293 [2019-11-24 00:39:54,492 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts.