/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic BIGGEST_EQUIVALENCE_CLASS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loops/matrix-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 23:10:47,629 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 23:10:47,632 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 23:10:47,653 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 23:10:47,653 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 23:10:47,655 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 23:10:47,658 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 23:10:47,670 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 23:10:47,675 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 23:10:47,680 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 23:10:47,683 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 23:10:47,684 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 23:10:47,685 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 23:10:47,687 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 23:10:47,690 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 23:10:47,691 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 23:10:47,693 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 23:10:47,694 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 23:10:47,696 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 23:10:47,703 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 23:10:47,710 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 23:10:47,716 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 23:10:47,718 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 23:10:47,719 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 23:10:47,722 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-21 23:10:47,736 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 23:10:47,737 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 23:10:47,739 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 23:10:47,740 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-21 23:10:47,777 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 23:10:47,778 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 23:10:47,782 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 23:10:47,782 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 23:10:47,783 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 23:10:47,783 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 23:10:47,783 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 23:10:47,783 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 23:10:47,783 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 23:10:47,784 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 23:10:47,784 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 23:10:47,784 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 23:10:47,786 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 23:10:47,786 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 23:10:47,786 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 23:10:47,786 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 23:10:47,787 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 23:10:47,787 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 23:10:47,787 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 23:10:47,787 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 23:10:47,788 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 23:10:47,788 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 23:10:47,788 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 23:10:47,788 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 23:10:47,788 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 23:10:47,789 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 23:10:47,789 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 23:10:47,789 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 23:10:47,789 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 23:10:47,790 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> BIGGEST_EQUIVALENCE_CLASS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-21 23:10:48,121 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 23:10:48,135 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 23:10:48,139 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 23:10:48,140 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 23:10:48,141 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 23:10:48,142 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/matrix-1.c [2020-07-21 23:10:48,213 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee4d6e9f8/afa3fab40bc04e5180df8fe148e293ad/FLAG8c91fbf3e [2020-07-21 23:10:48,684 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 23:10:48,685 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/matrix-1.c [2020-07-21 23:10:48,695 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee4d6e9f8/afa3fab40bc04e5180df8fe148e293ad/FLAG8c91fbf3e [2020-07-21 23:10:49,034 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee4d6e9f8/afa3fab40bc04e5180df8fe148e293ad [2020-07-21 23:10:49,044 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 23:10:49,047 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 23:10:49,048 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 23:10:49,049 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 23:10:49,055 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 23:10:49,057 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:10:49" (1/1) ... [2020-07-21 23:10:49,060 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19856784 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:10:49, skipping insertion in model container [2020-07-21 23:10:49,061 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:10:49" (1/1) ... [2020-07-21 23:10:49,069 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 23:10:49,087 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 23:10:49,269 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 23:10:49,274 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 23:10:49,299 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 23:10:49,322 INFO L208 MainTranslator]: Completed translation [2020-07-21 23:10:49,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:10:49 WrapperNode [2020-07-21 23:10:49,322 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 23:10:49,323 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 23:10:49,323 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 23:10:49,324 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 23:10:49,422 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:10:49" (1/1) ... [2020-07-21 23:10:49,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:10:49" (1/1) ... [2020-07-21 23:10:49,430 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:10:49" (1/1) ... [2020-07-21 23:10:49,430 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:10:49" (1/1) ... [2020-07-21 23:10:49,438 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:10:49" (1/1) ... [2020-07-21 23:10:49,443 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:10:49" (1/1) ... [2020-07-21 23:10:49,445 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:10:49" (1/1) ... [2020-07-21 23:10:49,447 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 23:10:49,448 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 23:10:49,448 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 23:10:49,448 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 23:10:49,449 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:10:49" (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 [2020-07-21 23:10:49,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 23:10:49,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 23:10:49,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-21 23:10:49,521 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 23:10:49,522 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 23:10:49,522 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-21 23:10:49,523 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 23:10:49,523 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 23:10:49,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 23:10:49,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 23:10:49,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 23:10:49,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 23:10:49,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 23:10:49,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 23:10:49,826 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 23:10:49,827 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-07-21 23:10:49,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:10:49 BoogieIcfgContainer [2020-07-21 23:10:49,831 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 23:10:49,833 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 23:10:49,833 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 23:10:49,836 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 23:10:49,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 11:10:49" (1/3) ... [2020-07-21 23:10:49,838 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31614d28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:10:49, skipping insertion in model container [2020-07-21 23:10:49,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:10:49" (2/3) ... [2020-07-21 23:10:49,838 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31614d28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:10:49, skipping insertion in model container [2020-07-21 23:10:49,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:10:49" (3/3) ... [2020-07-21 23:10:49,840 INFO L109 eAbstractionObserver]: Analyzing ICFG matrix-1.c [2020-07-21 23:10:49,852 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 23:10:49,859 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 23:10:49,875 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 23:10:49,904 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 23:10:49,905 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 23:10:49,905 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 23:10:49,905 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 23:10:49,905 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 23:10:49,905 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 23:10:49,906 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 23:10:49,906 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 23:10:49,926 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2020-07-21 23:10:49,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-07-21 23:10:49,939 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 23:10:49,941 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 23:10:49,941 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 23:10:49,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 23:10:49,948 INFO L82 PathProgramCache]: Analyzing trace with hash 1330517862, now seen corresponding path program 1 times [2020-07-21 23:10:49,961 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 23:10:49,962 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [935408122] [2020-07-21 23:10:49,962 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 23:10:50,063 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-21 23:10:50,063 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 23:10:50,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 23:10:50,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 23:10:50,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 23:10:50,096 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 23:10:50,097 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [935408122] [2020-07-21 23:10:50,097 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 23:10:50,098 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 23:10:50,099 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158199350] [2020-07-21 23:10:50,104 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 23:10:50,104 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 23:10:50,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 23:10:50,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 23:10:50,117 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 2 states. [2020-07-21 23:10:50,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 23:10:50,139 INFO L93 Difference]: Finished difference Result 42 states and 53 transitions. [2020-07-21 23:10:50,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 23:10:50,141 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-07-21 23:10:50,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 23:10:50,150 INFO L225 Difference]: With dead ends: 42 [2020-07-21 23:10:50,150 INFO L226 Difference]: Without dead ends: 17 [2020-07-21 23:10:50,155 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 23:10:50,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2020-07-21 23:10:50,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2020-07-21 23:10:50,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-07-21 23:10:50,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2020-07-21 23:10:50,201 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 12 [2020-07-21 23:10:50,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 23:10:50,202 INFO L479 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2020-07-21 23:10:50,202 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 23:10:50,203 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2020-07-21 23:10:50,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-07-21 23:10:50,204 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 23:10:50,204 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 23:10:50,419 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 23:10:50,420 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 23:10:50,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 23:10:50,421 INFO L82 PathProgramCache]: Analyzing trace with hash 672047389, now seen corresponding path program 1 times [2020-07-21 23:10:50,422 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 23:10:50,422 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [6963328] [2020-07-21 23:10:50,423 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 23:10:50,483 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-21 23:10:50,484 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 23:10:50,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 23:10:50,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 23:10:50,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 23:10:50,523 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 23:10:50,524 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [6963328] [2020-07-21 23:10:50,524 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 23:10:50,525 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 23:10:50,525 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678884084] [2020-07-21 23:10:50,527 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 23:10:50,527 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 23:10:50,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 23:10:50,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 23:10:50,528 INFO L87 Difference]: Start difference. First operand 17 states and 19 transitions. Second operand 3 states. [2020-07-21 23:10:50,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 23:10:50,570 INFO L93 Difference]: Finished difference Result 28 states and 32 transitions. [2020-07-21 23:10:50,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 23:10:50,571 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-07-21 23:10:50,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 23:10:50,572 INFO L225 Difference]: With dead ends: 28 [2020-07-21 23:10:50,573 INFO L226 Difference]: Without dead ends: 22 [2020-07-21 23:10:50,574 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 23:10:50,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2020-07-21 23:10:50,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 18. [2020-07-21 23:10:50,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-07-21 23:10:50,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions. [2020-07-21 23:10:50,580 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 20 transitions. Word has length 12 [2020-07-21 23:10:50,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 23:10:50,581 INFO L479 AbstractCegarLoop]: Abstraction has 18 states and 20 transitions. [2020-07-21 23:10:50,581 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 23:10:50,581 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2020-07-21 23:10:50,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-07-21 23:10:50,582 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 23:10:50,582 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 23:10:50,783 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 23:10:50,784 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 23:10:50,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 23:10:50,785 INFO L82 PathProgramCache]: Analyzing trace with hash -830834987, now seen corresponding path program 1 times [2020-07-21 23:10:50,785 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 23:10:50,786 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [712881993] [2020-07-21 23:10:50,786 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 23:10:50,831 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 23:10:50,831 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 23:10:50,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 23:10:50,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 23:10:50,891 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 23:10:50,892 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 23:10:50,892 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [712881993] [2020-07-21 23:10:50,892 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 23:10:50,893 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-21 23:10:50,893 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466194514] [2020-07-21 23:10:50,893 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-21 23:10:50,894 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 23:10:50,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-21 23:10:50,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-21 23:10:50,895 INFO L87 Difference]: Start difference. First operand 18 states and 20 transitions. Second operand 4 states. [2020-07-21 23:10:50,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 23:10:50,971 INFO L93 Difference]: Finished difference Result 32 states and 38 transitions. [2020-07-21 23:10:50,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-21 23:10:50,973 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2020-07-21 23:10:50,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 23:10:50,974 INFO L225 Difference]: With dead ends: 32 [2020-07-21 23:10:50,974 INFO L226 Difference]: Without dead ends: 21 [2020-07-21 23:10:50,977 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-21 23:10:50,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-07-21 23:10:50,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 19. [2020-07-21 23:10:50,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-07-21 23:10:50,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2020-07-21 23:10:50,991 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 15 [2020-07-21 23:10:50,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 23:10:50,992 INFO L479 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions. [2020-07-21 23:10:50,992 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-21 23:10:50,992 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2020-07-21 23:10:50,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-07-21 23:10:50,995 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 23:10:50,996 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 23:10:51,208 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 23:10:51,209 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 23:10:51,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 23:10:51,210 INFO L82 PathProgramCache]: Analyzing trace with hash -1529445450, now seen corresponding path program 1 times [2020-07-21 23:10:51,211 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 23:10:51,212 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1295377276] [2020-07-21 23:10:51,212 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 23:10:51,290 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 23:10:51,291 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 23:10:51,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 12 conjunts are in the unsatisfiable core [2020-07-21 23:10:51,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 23:10:51,408 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-07-21 23:10:51,409 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 23:10:52,043 WARN L193 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 34 [2020-07-21 23:10:52,046 INFO L624 ElimStorePlain]: treesize reduction 382, result has 9.9 percent of original size [2020-07-21 23:10:52,046 INFO L512 ElimStorePlain]: Eliminatee v_prenex_13 vanished before elimination [2020-07-21 23:10:52,047 INFO L512 ElimStorePlain]: Eliminatee v_prenex_1 vanished before elimination [2020-07-21 23:10:52,047 INFO L512 ElimStorePlain]: Eliminatee |v_#memory_int_7| vanished before elimination [2020-07-21 23:10:52,079 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 22 [2020-07-21 23:10:52,080 INFO L544 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-07-21 23:10:52,098 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 23:10:52,098 INFO L512 ElimStorePlain]: Eliminatee v_prenex_11 vanished before elimination [2020-07-21 23:10:52,098 INFO L512 ElimStorePlain]: Eliminatee v_prenex_5 vanished before elimination [2020-07-21 23:10:52,099 INFO L512 ElimStorePlain]: Eliminatee v_prenex_7 vanished before elimination [2020-07-21 23:10:52,100 INFO L544 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 8 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-21 23:10:52,100 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 16 variables, input treesize:489, output treesize:16 [2020-07-21 23:10:52,132 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 23:10:52,133 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-21 23:10:52,138 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-21 23:10:52,289 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 23:10:52,290 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 26 [2020-07-21 23:10:52,292 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 23:10:52,294 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 23:10:52,297 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-07-21 23:10:52,323 INFO L624 ElimStorePlain]: treesize reduction 26, result has 35.0 percent of original size [2020-07-21 23:10:52,327 INFO L544 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-21 23:10:52,327 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:46, output treesize:3 [2020-07-21 23:10:52,341 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 23:10:52,383 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 23:10:52,384 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 23:10:52,418 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:10:52,446 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:10:52,448 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:10:52,450 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:10:52,452 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:10:52,455 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:10:52,456 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:10:52,459 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:10:53,300 WARN L193 SmtUtils]: Spent 531.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-07-21 23:10:53,319 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:10:53,322 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:10:53,324 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:10:53,326 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:10:53,327 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:10:53,329 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:10:53,333 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:10:53,338 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:10:53,340 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:10:53,343 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:10:53,350 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:10:53,351 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:10:53,352 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:10:53,356 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:10:53,361 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:10:53,362 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:10:53,366 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:10:53,373 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:10:53,375 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:10:53,377 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:10:53,378 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:10:53,381 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:10:53,386 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:10:53,387 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:10:53,390 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:10:53,396 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:10:53,397 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:10:53,399 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:10:53,402 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:10:53,407 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:10:53,408 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:10:53,411 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:10:53,420 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:10:53,421 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:10:53,423 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:10:53,424 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:10:53,425 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:10:53,428 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:10:53,432 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:10:53,433 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:10:53,436 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:10:53,441 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:10:53,442 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:10:53,443 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:10:53,449 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:10:53,460 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:10:53,461 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:10:53,470 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:10:53,483 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:10:53,484 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:10:53,485 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:10:53,488 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:10:53,491 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:10:53,494 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:10:53,495 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:10:53,498 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:10:53,501 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:10:53,502 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:10:53,503 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:10:53,505 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:10:53,508 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:10:53,509 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:10:53,511 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:10:53,597 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:10:53,597 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 23:10:53,621 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:10:53,621 INFO L544 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-07-21 23:10:53,640 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:10:53,641 INFO L544 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-07-21 23:10:53,661 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:10:53,661 INFO L544 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-07-21 23:10:53,681 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:10:53,682 INFO L544 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-07-21 23:10:53,706 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:10:53,707 INFO L544 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-07-21 23:10:53,740 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:10:53,741 INFO L544 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-07-21 23:10:53,757 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:10:53,758 INFO L544 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-07-21 23:10:53,773 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:10:53,773 INFO L544 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2020-07-21 23:10:53,792 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:10:53,792 INFO L544 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2020-07-21 23:10:53,809 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:10:53,810 INFO L544 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2020-07-21 23:10:53,826 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:10:53,827 INFO L544 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2020-07-21 23:10:53,844 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:10:53,845 INFO L544 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2020-07-21 23:10:53,860 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:10:53,861 INFO L544 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2020-07-21 23:10:53,877 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:10:53,877 INFO L544 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2020-07-21 23:10:53,896 INFO L384 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 73 treesize of output 69 [2020-07-21 23:10:53,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 23:10:53,926 INFO L173 IndexEqualityManager]: detected equality via solver [2020-07-21 23:10:53,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 23:10:53,948 INFO L173 IndexEqualityManager]: detected equality via solver [2020-07-21 23:10:53,958 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2020-07-21 23:10:53,960 INFO L544 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2020-07-21 23:10:53,962 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 23:10:53,962 INFO L544 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-07-21 23:10:53,978 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:10:53,978 INFO L544 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2020-07-21 23:10:53,994 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:10:53,995 INFO L544 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2020-07-21 23:10:54,011 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:10:54,011 INFO L544 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2020-07-21 23:10:54,026 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:10:54,027 INFO L544 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2020-07-21 23:10:54,041 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:10:54,042 INFO L544 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2020-07-21 23:10:54,056 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:10:54,057 INFO L544 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2020-07-21 23:10:54,071 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:10:54,072 INFO L544 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2020-07-21 23:10:54,085 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:10:54,086 INFO L544 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2020-07-21 23:10:54,105 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:10:54,105 INFO L544 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2020-07-21 23:10:54,122 INFO L384 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 64 treesize of output 60 [2020-07-21 23:10:54,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 23:10:54,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 23:10:54,158 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 44 [2020-07-21 23:10:54,159 INFO L544 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2020-07-21 23:10:54,165 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 23:10:54,166 INFO L544 ElimStorePlain]: Start of recursive call 28: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-07-21 23:10:54,180 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:10:54,181 INFO L544 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2020-07-21 23:10:54,195 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:10:54,195 INFO L544 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2020-07-21 23:10:54,209 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:10:54,210 INFO L544 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2020-07-21 23:10:54,227 INFO L384 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 79 treesize of output 75 [2020-07-21 23:10:54,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 23:10:54,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 23:10:54,644 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 54 [2020-07-21 23:10:54,645 INFO L544 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2020-07-21 23:10:54,651 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 23:10:54,651 INFO L544 ElimStorePlain]: Start of recursive call 33: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-07-21 23:10:54,682 INFO L384 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 76 treesize of output 72 [2020-07-21 23:10:54,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 23:10:54,702 INFO L173 IndexEqualityManager]: detected equality via solver [2020-07-21 23:10:54,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 23:10:55,049 INFO L173 IndexEqualityManager]: detected equality via solver [2020-07-21 23:10:55,059 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2020-07-21 23:10:55,060 INFO L544 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2020-07-21 23:10:55,068 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 23:10:55,068 INFO L544 ElimStorePlain]: Start of recursive call 35: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-07-21 23:10:55,086 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:10:55,086 INFO L544 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2020-07-21 23:10:55,104 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:10:55,105 INFO L544 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2020-07-21 23:10:55,120 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:10:55,121 INFO L544 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2020-07-21 23:10:55,137 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:10:55,138 INFO L544 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2020-07-21 23:10:55,154 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:10:55,154 INFO L544 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2020-07-21 23:10:55,169 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:10:55,170 INFO L544 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2020-07-21 23:10:55,197 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:10:55,197 INFO L544 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2020-07-21 23:10:55,213 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:10:55,214 INFO L544 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2020-07-21 23:10:55,228 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:10:55,229 INFO L544 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2020-07-21 23:10:55,243 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:10:55,243 INFO L544 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2020-07-21 23:10:55,258 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:10:55,259 INFO L544 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2020-07-21 23:10:55,272 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:10:55,272 INFO L544 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2020-07-21 23:10:55,289 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:10:55,289 INFO L544 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2020-07-21 23:10:55,301 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:10:55,302 INFO L544 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2020-07-21 23:10:55,320 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:10:55,321 INFO L544 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2020-07-21 23:10:55,363 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:10:55,364 INFO L544 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2020-07-21 23:10:55,375 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:10:55,376 INFO L544 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2020-07-21 23:10:55,399 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:10:55,400 INFO L544 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2020-07-21 23:10:55,409 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:10:55,410 INFO L544 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2020-07-21 23:10:55,420 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:10:55,420 INFO L544 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2020-07-21 23:10:55,433 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:10:55,433 INFO L544 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2020-07-21 23:10:55,446 INFO L384 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 70 treesize of output 66 [2020-07-21 23:10:55,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 23:10:55,461 INFO L173 IndexEqualityManager]: detected equality via solver [2020-07-21 23:10:55,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 23:10:55,472 INFO L173 IndexEqualityManager]: detected equality via solver [2020-07-21 23:10:55,479 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2020-07-21 23:10:55,479 INFO L544 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2020-07-21 23:10:55,482 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 23:10:55,483 INFO L544 ElimStorePlain]: Start of recursive call 58: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-07-21 23:10:55,491 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:10:55,492 INFO L544 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2020-07-21 23:10:55,503 INFO L384 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 70 treesize of output 66 [2020-07-21 23:10:55,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 23:10:55,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 23:10:55,555 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 48 [2020-07-21 23:10:55,556 INFO L544 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2020-07-21 23:10:55,569 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 23:10:55,569 INFO L544 ElimStorePlain]: Start of recursive call 61: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-07-21 23:10:55,578 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:10:55,579 INFO L544 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2020-07-21 23:10:55,586 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:10:55,587 INFO L544 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2020-07-21 23:10:55,595 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:10:55,596 INFO L544 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2020-07-21 23:10:55,606 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:10:55,607 INFO L544 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 1 xjuncts. [2020-07-21 23:10:55,619 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:10:55,620 INFO L544 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2020-07-21 23:10:55,627 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:10:55,628 INFO L544 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2020-07-21 23:10:55,637 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:10:55,637 INFO L544 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2020-07-21 23:10:55,643 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:10:55,644 INFO L544 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2020-07-21 23:10:55,649 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:10:55,649 INFO L544 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2020-07-21 23:11:09,521 WARN L193 SmtUtils]: Spent 13.87 s on a formula simplification. DAG size of input: 73 DAG size of output: 63 [2020-07-21 23:11:09,523 INFO L624 ElimStorePlain]: treesize reduction 179, result has 41.3 percent of original size [2020-07-21 23:11:09,535 INFO L544 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 7 dim-0 vars, and 4 xjuncts. [2020-07-21 23:11:09,535 INFO L244 ElimStorePlain]: Needed 71 recursive calls to eliminate 5 variables, input treesize:7169, output treesize:126 [2020-07-21 23:11:13,379 WARN L193 SmtUtils]: Spent 3.00 s on a formula simplification. DAG size of input: 83 DAG size of output: 23 [2020-07-21 23:11:13,540 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 23:11:13,541 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1295377276] [2020-07-21 23:11:13,541 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 23:11:13,541 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2020-07-21 23:11:13,542 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143187398] [2020-07-21 23:11:13,542 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-21 23:11:13,542 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 23:11:13,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-21 23:11:13,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2020-07-21 23:11:13,543 INFO L87 Difference]: Start difference. First operand 19 states and 21 transitions. Second operand 13 states. [2020-07-21 23:11:14,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 23:11:14,560 INFO L93 Difference]: Finished difference Result 30 states and 33 transitions. [2020-07-21 23:11:14,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-21 23:11:14,562 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 18 [2020-07-21 23:11:14,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 23:11:14,565 INFO L225 Difference]: With dead ends: 30 [2020-07-21 23:11:14,565 INFO L226 Difference]: Without dead ends: 24 [2020-07-21 23:11:14,566 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 22 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=87, Invalid=293, Unknown=0, NotChecked=0, Total=380 [2020-07-21 23:11:14,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2020-07-21 23:11:14,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 22. [2020-07-21 23:11:14,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-07-21 23:11:14,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2020-07-21 23:11:14,573 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 25 transitions. Word has length 18 [2020-07-21 23:11:14,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 23:11:14,573 INFO L479 AbstractCegarLoop]: Abstraction has 22 states and 25 transitions. [2020-07-21 23:11:14,573 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-21 23:11:14,574 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2020-07-21 23:11:14,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-07-21 23:11:14,574 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 23:11:14,574 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 23:11:14,788 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 23:11:14,789 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 23:11:14,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 23:11:14,790 INFO L82 PathProgramCache]: Analyzing trace with hash -1922472460, now seen corresponding path program 1 times [2020-07-21 23:11:14,790 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 23:11:14,791 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2113739402] [2020-07-21 23:11:14,791 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 23:11:14,842 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 23:11:14,842 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 23:11:14,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 13 conjunts are in the unsatisfiable core [2020-07-21 23:11:14,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 23:11:14,890 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-21 23:11:14,909 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-21 23:11:14,910 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-21 23:11:14,911 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-21 23:11:14,912 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-21 23:11:14,915 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-21 23:11:14,916 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-21 23:11:14,920 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-21 23:11:14,922 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-21 23:11:14,923 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-21 23:11:14,924 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-21 23:11:14,925 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-21 23:11:14,927 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-21 23:11:14,929 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-21 23:11:14,930 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-21 23:11:14,956 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-07-21 23:11:14,956 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 23:11:14,966 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-07-21 23:11:14,966 INFO L544 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-07-21 23:11:14,975 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-07-21 23:11:14,975 INFO L544 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-07-21 23:11:14,989 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-07-21 23:11:14,989 INFO L544 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-07-21 23:11:15,177 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 38 [2020-07-21 23:11:15,178 INFO L624 ElimStorePlain]: treesize reduction 843, result has 5.7 percent of original size [2020-07-21 23:11:15,178 INFO L512 ElimStorePlain]: Eliminatee v_prenex_24 vanished before elimination [2020-07-21 23:11:15,178 INFO L512 ElimStorePlain]: Eliminatee v_prenex_22 vanished before elimination [2020-07-21 23:11:15,190 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2020-07-21 23:11:15,191 INFO L544 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-07-21 23:11:15,211 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 23:11:15,212 INFO L544 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 4 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-07-21 23:11:15,213 INFO L244 ElimStorePlain]: Needed 6 recursive calls to eliminate 10 variables, input treesize:1193, output treesize:29 [2020-07-21 23:11:15,370 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 23:11:15,370 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 28 [2020-07-21 23:11:15,372 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 23:11:15,373 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 23:11:15,374 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-07-21 23:11:15,412 INFO L624 ElimStorePlain]: treesize reduction 16, result has 50.0 percent of original size [2020-07-21 23:11:15,422 INFO L544 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-21 23:11:15,423 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:38, output treesize:5 [2020-07-21 23:11:15,461 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 23:11:15,520 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 23:11:15,520 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 23:11:15,566 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:11:15,670 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:11:15,671 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:11:15,672 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:11:15,673 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:11:15,674 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:11:15,675 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:11:15,675 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:11:15,678 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:11:15,679 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:11:15,680 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:11:15,680 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:11:15,681 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:11:15,682 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:11:15,683 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:11:15,685 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:11:15,686 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:11:15,687 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:11:15,689 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:11:15,690 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:11:15,691 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:11:15,692 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:11:15,694 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:11:15,695 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:11:15,696 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:11:15,699 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:11:15,700 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:11:15,700 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:11:15,701 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:11:15,703 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:11:15,704 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:11:15,705 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:11:15,706 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:11:15,709 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:11:15,710 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:11:15,710 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:11:15,712 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:11:15,714 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:11:15,714 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:11:15,716 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:11:15,719 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:11:15,720 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:11:15,721 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:11:15,721 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:11:15,722 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:11:15,724 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:11:15,725 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:11:15,726 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:11:15,728 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:11:15,730 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:11:15,731 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:11:15,731 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:11:15,733 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:11:15,734 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:11:15,735 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:11:15,737 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:11:15,740 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:11:15,740 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:11:15,741 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:11:15,742 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:11:15,743 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:11:15,746 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:11:15,747 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:11:15,748 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:11:15,751 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:11:15,752 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:11:15,753 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:11:15,754 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:11:15,757 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:11:15,758 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:11:15,759 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:11:15,824 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:11:15,825 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 23:11:15,839 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:11:15,840 INFO L544 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-07-21 23:11:15,854 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:11:15,854 INFO L544 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-07-21 23:11:15,868 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:11:15,869 INFO L544 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-07-21 23:11:15,883 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:11:15,884 INFO L544 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-07-21 23:11:15,899 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:11:15,900 INFO L544 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-07-21 23:11:15,914 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:11:15,915 INFO L544 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-07-21 23:11:15,929 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:11:15,929 INFO L544 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-07-21 23:11:15,942 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:11:15,943 INFO L544 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2020-07-21 23:11:15,957 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:11:15,957 INFO L544 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2020-07-21 23:11:15,985 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:11:15,986 INFO L544 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2020-07-21 23:11:16,002 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:11:16,003 INFO L544 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2020-07-21 23:11:16,031 INFO L384 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 70 treesize of output 66 [2020-07-21 23:11:16,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 23:11:16,049 INFO L173 IndexEqualityManager]: detected equality via solver [2020-07-21 23:11:16,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 23:11:16,086 INFO L173 IndexEqualityManager]: detected equality via solver [2020-07-21 23:11:16,101 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2020-07-21 23:11:16,102 INFO L544 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2020-07-21 23:11:16,105 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 23:11:16,105 INFO L544 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-07-21 23:11:16,127 INFO L384 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 73 treesize of output 69 [2020-07-21 23:11:16,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 23:11:16,147 INFO L173 IndexEqualityManager]: detected equality via solver [2020-07-21 23:11:16,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 23:11:16,169 INFO L173 IndexEqualityManager]: detected equality via solver [2020-07-21 23:11:16,183 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2020-07-21 23:11:16,183 INFO L544 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2020-07-21 23:11:16,185 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 23:11:16,186 INFO L544 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-07-21 23:11:16,199 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:11:16,199 INFO L544 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2020-07-21 23:11:16,210 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:11:16,210 INFO L544 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2020-07-21 23:11:16,221 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:11:16,222 INFO L544 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2020-07-21 23:11:16,235 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:11:16,236 INFO L544 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2020-07-21 23:11:16,247 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:11:16,247 INFO L544 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2020-07-21 23:11:16,259 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:11:16,260 INFO L544 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2020-07-21 23:11:16,271 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:11:16,271 INFO L544 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2020-07-21 23:11:16,282 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:11:16,282 INFO L544 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2020-07-21 23:11:16,301 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:11:16,301 INFO L544 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2020-07-21 23:11:16,313 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:11:16,314 INFO L544 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2020-07-21 23:11:16,325 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:11:16,325 INFO L544 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2020-07-21 23:11:16,336 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:11:16,336 INFO L544 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2020-07-21 23:11:16,346 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:11:16,346 INFO L544 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2020-07-21 23:11:16,357 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:11:16,357 INFO L544 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2020-07-21 23:11:16,369 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:11:16,370 INFO L544 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2020-07-21 23:11:16,382 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:11:16,382 INFO L544 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2020-07-21 23:11:16,400 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:11:16,401 INFO L544 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2020-07-21 23:11:16,413 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:11:16,413 INFO L544 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2020-07-21 23:11:16,424 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:11:16,425 INFO L544 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2020-07-21 23:11:16,438 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:11:16,439 INFO L544 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2020-07-21 23:11:16,457 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:11:16,458 INFO L544 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2020-07-21 23:11:16,472 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:11:16,472 INFO L544 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2020-07-21 23:11:16,491 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:11:16,491 INFO L544 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2020-07-21 23:11:16,510 INFO L384 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 64 treesize of output 60 [2020-07-21 23:11:16,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 23:11:16,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 23:11:16,548 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 44 [2020-07-21 23:11:16,549 INFO L544 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2020-07-21 23:11:16,557 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 23:11:16,557 INFO L544 ElimStorePlain]: Start of recursive call 41: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-07-21 23:11:16,573 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:11:16,573 INFO L544 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2020-07-21 23:11:16,585 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:11:16,585 INFO L544 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2020-07-21 23:11:16,612 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:11:16,613 INFO L544 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2020-07-21 23:11:16,630 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:11:16,630 INFO L544 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2020-07-21 23:11:16,643 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:11:16,643 INFO L544 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2020-07-21 23:11:16,655 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:11:16,656 INFO L544 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2020-07-21 23:11:16,672 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:11:16,672 INFO L544 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2020-07-21 23:11:16,685 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:11:16,685 INFO L544 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2020-07-21 23:11:16,695 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:11:16,695 INFO L544 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2020-07-21 23:11:16,706 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:11:16,707 INFO L544 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2020-07-21 23:11:16,718 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:11:16,718 INFO L544 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2020-07-21 23:11:16,734 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:11:16,734 INFO L544 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2020-07-21 23:11:16,746 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:11:16,747 INFO L544 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2020-07-21 23:11:16,756 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:11:16,757 INFO L544 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2020-07-21 23:11:16,766 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:11:16,767 INFO L544 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2020-07-21 23:11:16,776 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:11:16,776 INFO L544 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2020-07-21 23:11:16,791 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:11:16,791 INFO L544 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2020-07-21 23:11:16,801 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:11:16,802 INFO L544 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2020-07-21 23:11:16,822 INFO L384 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 79 treesize of output 75 [2020-07-21 23:11:16,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 23:11:16,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 23:11:17,479 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 54 [2020-07-21 23:11:17,480 INFO L544 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2020-07-21 23:11:17,510 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 23:11:17,510 INFO L544 ElimStorePlain]: Start of recursive call 61: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-07-21 23:11:17,534 INFO L384 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 76 treesize of output 72 [2020-07-21 23:11:17,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 23:11:17,610 INFO L173 IndexEqualityManager]: detected equality via solver [2020-07-21 23:11:17,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 23:11:18,462 INFO L173 IndexEqualityManager]: detected equality via solver [2020-07-21 23:11:18,473 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2020-07-21 23:11:18,474 INFO L544 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2020-07-21 23:11:18,475 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 23:11:18,475 INFO L544 ElimStorePlain]: Start of recursive call 63: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-07-21 23:11:18,484 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:11:18,484 INFO L544 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2020-07-21 23:11:18,492 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:11:18,492 INFO L544 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 1 xjuncts. [2020-07-21 23:11:18,501 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:11:18,501 INFO L544 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2020-07-21 23:11:18,513 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:11:18,514 INFO L544 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2020-07-21 23:11:18,526 INFO L384 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 70 treesize of output 66 [2020-07-21 23:11:18,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 23:11:18,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 23:11:18,580 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 48 [2020-07-21 23:11:18,581 INFO L544 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2020-07-21 23:11:18,607 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 23:11:18,608 INFO L544 ElimStorePlain]: Start of recursive call 69: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-07-21 23:11:18,612 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 23:11:18,613 INFO L544 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2020-07-21 23:11:20,358 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 73 DAG size of output: 57 [2020-07-21 23:11:20,359 INFO L624 ElimStorePlain]: treesize reduction 211, result has 32.8 percent of original size [2020-07-21 23:11:20,368 INFO L544 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 3 xjuncts. [2020-07-21 23:11:20,368 INFO L244 ElimStorePlain]: Needed 71 recursive calls to eliminate 5 variables, input treesize:7265, output treesize:103 [2020-07-21 23:11:21,417 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 23 [2020-07-21 23:11:21,667 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 23:11:21,668 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2113739402] [2020-07-21 23:11:21,668 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 23:11:21,668 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 14 [2020-07-21 23:11:21,669 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124401224] [2020-07-21 23:11:21,669 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-21 23:11:21,670 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 23:11:21,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-21 23:11:21,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2020-07-21 23:11:21,671 INFO L87 Difference]: Start difference. First operand 22 states and 25 transitions. Second operand 14 states. [2020-07-21 23:11:22,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 23:11:22,392 INFO L93 Difference]: Finished difference Result 24 states and 27 transitions. [2020-07-21 23:11:22,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-21 23:11:22,392 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 18 [2020-07-21 23:11:22,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 23:11:22,393 INFO L225 Difference]: With dead ends: 24 [2020-07-21 23:11:22,393 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 23:11:22,394 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 21 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=74, Invalid=306, Unknown=0, NotChecked=0, Total=380 [2020-07-21 23:11:22,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 23:11:22,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 23:11:22,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 23:11:22,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 23:11:22,395 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2020-07-21 23:11:22,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 23:11:22,395 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 23:11:22,395 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-21 23:11:22,395 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 23:11:22,395 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 23:11:22,596 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 23:11:22,599 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 23:11:22,975 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 49 [2020-07-21 23:11:23,191 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 41 [2020-07-21 23:11:23,195 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 23:11:23,195 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-21 23:11:23,195 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 23:11:23,195 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 23:11:23,196 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-21 23:11:23,196 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 23:11:23,196 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 23:11:23,196 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 11 31) no Hoare annotation was computed. [2020-07-21 23:11:23,196 INFO L268 CegarLoopResult]: For program point L19-2(lines 19 26) no Hoare annotation was computed. [2020-07-21 23:11:23,196 INFO L264 CegarLoopResult]: At program point L19-3(lines 19 26) the Hoare annotation is: (and (or (= 0 main_~j~0) (exists ((main_~j~0 Int) (main_~k~0 Int)) (and (<= (select (select |#memory_int| |main_~#matriz~0.base|) (+ (* (mod main_~k~0 4294967296) 4) (* (mod main_~j~0 4294967296) 4) |main_~#matriz~0.offset|)) main_~maior~0) (< (mod main_~j~0 4294967296) 1) (<= (mod main_~k~0 4294967296) 2147483647) (<= (mod main_~j~0 4294967296) 2147483647) (< (mod main_~k~0 4294967296) 1)))) (= 1 main_~N_COL~0) (= 1 main_~N_LIN~0)) [2020-07-21 23:11:23,196 INFO L268 CegarLoopResult]: For program point L19-4(lines 19 26) no Hoare annotation was computed. [2020-07-21 23:11:23,196 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 11 31) no Hoare annotation was computed. [2020-07-21 23:11:23,196 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 11 31) the Hoare annotation is: true [2020-07-21 23:11:23,197 INFO L264 CegarLoopResult]: At program point L28(line 28) the Hoare annotation is: (and (<= |main_#t~mem6| main_~maior~0) (= 1 main_~N_COL~0) (exists ((main_~j~0 Int) (main_~k~0 Int)) (and (< (mod main_~k~0 4294967296) 1) (< (mod main_~j~0 4294967296) 1) (<= (select (select |#memory_int| |main_~#matriz~0.base|) (+ (* (mod main_~j~0 4294967296) 4) |main_~#matriz~0.offset| (* (mod main_~k~0 4294967296) 4))) main_~maior~0) (<= (mod main_~k~0 4294967296) 2147483647) (<= (mod main_~j~0 4294967296) 2147483647))) (= 1 main_~N_LIN~0)) [2020-07-21 23:11:23,197 INFO L268 CegarLoopResult]: For program point L28-1(line 28) no Hoare annotation was computed. [2020-07-21 23:11:23,197 INFO L268 CegarLoopResult]: For program point L24(lines 24 25) no Hoare annotation was computed. [2020-07-21 23:11:23,197 INFO L268 CegarLoopResult]: For program point L20-2(lines 20 26) no Hoare annotation was computed. [2020-07-21 23:11:23,197 INFO L264 CegarLoopResult]: At program point L20-3(lines 20 26) the Hoare annotation is: (let ((.cse0 (= 1 main_~N_COL~0)) (.cse1 (= 1 main_~N_LIN~0))) (or (and (exists ((main_~j~0 Int) (main_~k~0 Int)) (and (<= (mod main_~j~0 4294967296) 2147483647) (<= (select (select |#memory_int| |main_~#matriz~0.base|) (+ |main_~#matriz~0.offset| (* (mod main_~j~0 4294967296) 4) (* (mod main_~k~0 4294967296) 4))) main_~maior~0) (< (mod main_~k~0 4294967296) 1) (<= (mod main_~k~0 4294967296) 2147483647) (< (mod main_~j~0 4294967296) 1))) (< (mod main_~j~0 4294967296) 1) .cse0 .cse1) (and (= 0 main_~k~0) (< (mod main_~j~0 4294967296) 1) .cse0 .cse1))) [2020-07-21 23:11:23,197 INFO L271 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true [2020-07-21 23:11:23,197 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed. [2020-07-21 23:11:23,197 INFO L268 CegarLoopResult]: For program point L5(line 5) no Hoare annotation was computed. [2020-07-21 23:11:23,197 INFO L268 CegarLoopResult]: For program point L4(lines 4 6) no Hoare annotation was computed. [2020-07-21 23:11:23,198 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2020-07-21 23:11:23,198 INFO L268 CegarLoopResult]: For program point L4-2(lines 3 8) no Hoare annotation was computed. [2020-07-21 23:11:23,207 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~j~0,QUANTIFIED] [2020-07-21 23:11:23,208 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~j~0,QUANTIFIED] [2020-07-21 23:11:23,208 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~k~0,QUANTIFIED] [2020-07-21 23:11:23,208 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~k~0,QUANTIFIED] [2020-07-21 23:11:23,208 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~k~0,QUANTIFIED] [2020-07-21 23:11:23,209 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~j~0,QUANTIFIED] [2020-07-21 23:11:23,211 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:11:23,219 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~j~0,QUANTIFIED] [2020-07-21 23:11:23,220 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~j~0,QUANTIFIED] [2020-07-21 23:11:23,220 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~k~0,QUANTIFIED] [2020-07-21 23:11:23,220 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~k~0,QUANTIFIED] [2020-07-21 23:11:23,221 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~k~0,QUANTIFIED] [2020-07-21 23:11:23,221 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~j~0,QUANTIFIED] [2020-07-21 23:11:23,221 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:11:23,225 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~k~0,QUANTIFIED] [2020-07-21 23:11:23,225 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~j~0,QUANTIFIED] [2020-07-21 23:11:23,225 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~j~0,QUANTIFIED] [2020-07-21 23:11:23,226 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~k~0,QUANTIFIED] [2020-07-21 23:11:23,226 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~j~0,QUANTIFIED] [2020-07-21 23:11:23,226 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~k~0,QUANTIFIED] [2020-07-21 23:11:23,226 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:11:23,228 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~k~0,QUANTIFIED] [2020-07-21 23:11:23,228 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~j~0,QUANTIFIED] [2020-07-21 23:11:23,228 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~j~0,QUANTIFIED] [2020-07-21 23:11:23,229 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~k~0,QUANTIFIED] [2020-07-21 23:11:23,229 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~j~0,QUANTIFIED] [2020-07-21 23:11:23,232 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~k~0,QUANTIFIED] [2020-07-21 23:11:23,233 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:11:23,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 11:11:23 BoogieIcfgContainer [2020-07-21 23:11:23,247 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 23:11:23,249 INFO L168 Benchmark]: Toolchain (without parser) took 34203.65 ms. Allocated memory was 138.4 MB in the beginning and 291.0 MB in the end (delta: 152.6 MB). Free memory was 102.6 MB in the beginning and 201.2 MB in the end (delta: -98.6 MB). Peak memory consumption was 54.0 MB. Max. memory is 7.1 GB. [2020-07-21 23:11:23,250 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 138.4 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 23:11:23,250 INFO L168 Benchmark]: CACSL2BoogieTranslator took 274.62 ms. Allocated memory is still 138.4 MB. Free memory was 102.4 MB in the beginning and 92.1 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2020-07-21 23:11:23,251 INFO L168 Benchmark]: Boogie Preprocessor took 124.08 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 92.1 MB in the beginning and 180.9 MB in the end (delta: -88.8 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. [2020-07-21 23:11:23,258 INFO L168 Benchmark]: RCFGBuilder took 383.59 ms. Allocated memory is still 202.9 MB. Free memory was 180.3 MB in the beginning and 164.4 MB in the end (delta: 15.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. [2020-07-21 23:11:23,261 INFO L168 Benchmark]: TraceAbstraction took 33414.40 ms. Allocated memory was 202.9 MB in the beginning and 291.0 MB in the end (delta: 88.1 MB). Free memory was 163.7 MB in the beginning and 201.2 MB in the end (delta: -37.4 MB). Peak memory consumption was 50.7 MB. Max. memory is 7.1 GB. [2020-07-21 23:11:23,268 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 138.4 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 274.62 ms. Allocated memory is still 138.4 MB. Free memory was 102.4 MB in the beginning and 92.1 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 124.08 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 92.1 MB in the beginning and 180.9 MB in the end (delta: -88.8 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 383.59 ms. Allocated memory is still 202.9 MB. Free memory was 180.3 MB in the beginning and 164.4 MB in the end (delta: 15.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 33414.40 ms. Allocated memory was 202.9 MB in the beginning and 291.0 MB in the end (delta: 88.1 MB). Free memory was 163.7 MB in the beginning and 201.2 MB in the end (delta: -37.4 MB). Peak memory consumption was 50.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~j~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~j~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~j~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~j~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~j~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~j~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~j~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~j~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~j~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~j~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~j~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~j~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~k~0,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 20]: Loop Invariant [2020-07-21 23:11:23,276 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~j~0,QUANTIFIED] [2020-07-21 23:11:23,276 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~j~0,QUANTIFIED] [2020-07-21 23:11:23,276 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~k~0,QUANTIFIED] [2020-07-21 23:11:23,277 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~k~0,QUANTIFIED] [2020-07-21 23:11:23,277 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~k~0,QUANTIFIED] [2020-07-21 23:11:23,277 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~j~0,QUANTIFIED] [2020-07-21 23:11:23,277 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:11:23,278 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~j~0,QUANTIFIED] [2020-07-21 23:11:23,278 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~j~0,QUANTIFIED] [2020-07-21 23:11:23,278 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~k~0,QUANTIFIED] [2020-07-21 23:11:23,278 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~k~0,QUANTIFIED] [2020-07-21 23:11:23,279 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~k~0,QUANTIFIED] [2020-07-21 23:11:23,279 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~j~0,QUANTIFIED] [2020-07-21 23:11:23,279 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: ((((\exists main_~j~0 : int, main_~k~0 : int :: (((main_~j~0 % 4294967296 <= 2147483647 && unknown-#memory_int-unknown[matriz][matriz + main_~j~0 % 4294967296 * 4 + main_~k~0 % 4294967296 * 4] <= maior) && main_~k~0 % 4294967296 < 1) && main_~k~0 % 4294967296 <= 2147483647) && main_~j~0 % 4294967296 < 1) && j % 4294967296 < 1) && 1 == N_COL) && 1 == N_LIN) || (((0 == k && j % 4294967296 < 1) && 1 == N_COL) && 1 == N_LIN) - InvariantResult [Line: 19]: Loop Invariant [2020-07-21 23:11:23,280 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~k~0,QUANTIFIED] [2020-07-21 23:11:23,280 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~j~0,QUANTIFIED] [2020-07-21 23:11:23,280 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~j~0,QUANTIFIED] [2020-07-21 23:11:23,280 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~k~0,QUANTIFIED] [2020-07-21 23:11:23,280 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~j~0,QUANTIFIED] [2020-07-21 23:11:23,281 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~k~0,QUANTIFIED] [2020-07-21 23:11:23,281 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 23:11:23,281 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~k~0,QUANTIFIED] [2020-07-21 23:11:23,281 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~j~0,QUANTIFIED] [2020-07-21 23:11:23,282 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~j~0,QUANTIFIED] [2020-07-21 23:11:23,282 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~k~0,QUANTIFIED] [2020-07-21 23:11:23,282 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~j~0,QUANTIFIED] [2020-07-21 23:11:23,282 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~k~0,QUANTIFIED] [2020-07-21 23:11:23,282 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: ((0 == j || (\exists main_~j~0 : int, main_~k~0 : int :: (((unknown-#memory_int-unknown[matriz][main_~k~0 % 4294967296 * 4 + main_~j~0 % 4294967296 * 4 + matriz] <= maior && main_~j~0 % 4294967296 < 1) && main_~k~0 % 4294967296 <= 2147483647) && main_~j~0 % 4294967296 <= 2147483647) && main_~k~0 % 4294967296 < 1)) && 1 == N_COL) && 1 == N_LIN - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 24 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 32.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 73 SDtfs, 83 SDslu, 169 SDs, 0 SdLazy, 216 SolverSat, 33 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 120 GetRequests, 76 SyntacticMatches, 4 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 7.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 8 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 12 PreInvPairs, 21 NumberOfFragments, 174 HoareAnnotationTreeSize, 12 FomulaSimplifications, 100 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 8 FomulaSimplificationsInter, 344 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 29.2s InterpolantComputationTime, 75 NumberOfCodeBlocks, 62 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 104 ConstructedInterpolants, 15 QuantifiedInterpolants, 18556 SizeOfPredicates, 38 NumberOfNonLiveVariables, 304 ConjunctsInSsa, 41 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 1/9 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...