java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-crafted/simple_array_index_value_4.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:14:28,509 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:14:28,512 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:14:28,532 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:14:28,533 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:14:28,535 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:14:28,537 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:14:28,549 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:14:28,551 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:14:28,552 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:14:28,555 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:14:28,557 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:14:28,557 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:14:28,561 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:14:28,563 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:14:28,564 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:14:28,566 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:14:28,567 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:14:28,570 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:14:28,573 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:14:28,577 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:14:28,578 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:14:28,579 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:14:28,580 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:14:28,585 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-14 23:14:28,597 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:14:28,599 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:14:28,602 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:14:28,603 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 [2019-10-14 23:14:28,619 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:14:28,619 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:14:28,620 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:14:28,620 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:14:28,621 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:14:28,621 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:14:28,621 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:14:28,621 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:14:28,621 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:14:28,622 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:14:28,622 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:14:28,622 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:14:28,622 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:14:28,623 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:14:28,623 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:14:28,623 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:14:28,623 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:14:28,623 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:14:28,624 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:14:28,624 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:14:28,624 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:14:28,624 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:14:28,624 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:14:28,625 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:14:28,625 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:14:28,625 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:14:28,625 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:14:28,625 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:14:28,626 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:14:28,905 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:14:28,924 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:14:28,927 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:14:28,929 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:14:28,929 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:14:28,930 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-crafted/simple_array_index_value_4.i [2019-10-14 23:14:28,998 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b4cb7da0/5401945d14aa4969bc9ba8d2a4aa9d57/FLAG6c966fe8f [2019-10-14 23:14:29,459 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:14:29,461 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-crafted/simple_array_index_value_4.i [2019-10-14 23:14:29,469 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b4cb7da0/5401945d14aa4969bc9ba8d2a4aa9d57/FLAG6c966fe8f [2019-10-14 23:14:29,874 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b4cb7da0/5401945d14aa4969bc9ba8d2a4aa9d57 [2019-10-14 23:14:29,886 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:14:29,888 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:14:29,889 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:14:29,889 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:14:29,892 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:14:29,893 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:14:29" (1/1) ... [2019-10-14 23:14:29,896 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62c0bab3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:14:29, skipping insertion in model container [2019-10-14 23:14:29,897 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:14:29" (1/1) ... [2019-10-14 23:14:29,905 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:14:29,928 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:14:30,180 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:14:30,189 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:14:30,213 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:14:30,310 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:14:30,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:14:30 WrapperNode [2019-10-14 23:14:30,311 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:14:30,312 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:14:30,312 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:14:30,312 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:14:30,326 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:14:30" (1/1) ... [2019-10-14 23:14:30,327 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:14:30" (1/1) ... [2019-10-14 23:14:30,335 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:14:30" (1/1) ... [2019-10-14 23:14:30,335 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:14:30" (1/1) ... [2019-10-14 23:14:30,343 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:14:30" (1/1) ... [2019-10-14 23:14:30,348 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:14:30" (1/1) ... [2019-10-14 23:14:30,350 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:14:30" (1/1) ... [2019-10-14 23:14:30,352 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:14:30,352 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:14:30,352 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:14:30,352 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:14:30,353 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:14:30" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:14:30,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:14:30,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:14:30,411 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-14 23:14:30,411 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:14:30,411 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:14:30,411 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-14 23:14:30,411 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-14 23:14:30,411 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-14 23:14:30,411 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:14:30,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 23:14:30,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 23:14:30,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 23:14:30,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:14:30,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:14:30,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 23:14:30,702 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:14:30,702 INFO L284 CfgBuilder]: Removed 2 assume(true) statements. [2019-10-14 23:14:30,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:14:30 BoogieIcfgContainer [2019-10-14 23:14:30,713 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:14:30,714 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:14:30,714 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:14:30,717 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:14:30,719 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:14:29" (1/3) ... [2019-10-14 23:14:30,723 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@422fbf94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:14:30, skipping insertion in model container [2019-10-14 23:14:30,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:14:30" (2/3) ... [2019-10-14 23:14:30,723 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@422fbf94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:14:30, skipping insertion in model container [2019-10-14 23:14:30,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:14:30" (3/3) ... [2019-10-14 23:14:30,725 INFO L109 eAbstractionObserver]: Analyzing ICFG simple_array_index_value_4.i [2019-10-14 23:14:30,735 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:14:30,743 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:14:30,755 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:14:30,779 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:14:30,780 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:14:30,780 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:14:30,780 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:14:30,780 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:14:30,780 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:14:30,781 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:14:30,781 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:14:30,799 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2019-10-14 23:14:30,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-14 23:14:30,805 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:14:30,806 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:14:30,808 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:14:30,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:14:30,813 INFO L82 PathProgramCache]: Analyzing trace with hash -1079158542, now seen corresponding path program 1 times [2019-10-14 23:14:30,819 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:14:30,820 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025482618] [2019-10-14 23:14:30,820 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:14:30,820 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:14:30,820 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:14:30,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:14:31,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:14:31,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:14:31,116 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025482618] [2019-10-14 23:14:31,116 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:14:31,117 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-14 23:14:31,117 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764094351] [2019-10-14 23:14:31,121 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-14 23:14:31,122 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:14:31,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-14 23:14:31,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-14 23:14:31,139 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 6 states. [2019-10-14 23:14:31,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:14:31,398 INFO L93 Difference]: Finished difference Result 56 states and 79 transitions. [2019-10-14 23:14:31,399 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-14 23:14:31,400 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11 [2019-10-14 23:14:31,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:14:31,411 INFO L225 Difference]: With dead ends: 56 [2019-10-14 23:14:31,411 INFO L226 Difference]: Without dead ends: 30 [2019-10-14 23:14:31,417 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-10-14 23:14:31,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-10-14 23:14:31,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 25. [2019-10-14 23:14:31,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-10-14 23:14:31,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions. [2019-10-14 23:14:31,482 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 28 transitions. Word has length 11 [2019-10-14 23:14:31,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:14:31,483 INFO L462 AbstractCegarLoop]: Abstraction has 25 states and 28 transitions. [2019-10-14 23:14:31,484 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-14 23:14:31,484 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2019-10-14 23:14:31,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-10-14 23:14:31,487 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:14:31,487 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:14:31,488 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:14:31,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:14:31,490 INFO L82 PathProgramCache]: Analyzing trace with hash -476045897, now seen corresponding path program 1 times [2019-10-14 23:14:31,490 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:14:31,491 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057411375] [2019-10-14 23:14:31,491 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:14:31,491 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:14:31,492 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:14:31,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:14:31,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:14:31,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:14:31,609 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057411375] [2019-10-14 23:14:31,609 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:14:31,610 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-14 23:14:31,610 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916418160] [2019-10-14 23:14:31,611 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-14 23:14:31,612 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:14:31,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-14 23:14:31,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-14 23:14:31,613 INFO L87 Difference]: Start difference. First operand 25 states and 28 transitions. Second operand 4 states. [2019-10-14 23:14:31,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:14:31,671 INFO L93 Difference]: Finished difference Result 36 states and 39 transitions. [2019-10-14 23:14:31,671 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-14 23:14:31,671 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2019-10-14 23:14:31,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:14:31,672 INFO L225 Difference]: With dead ends: 36 [2019-10-14 23:14:31,672 INFO L226 Difference]: Without dead ends: 26 [2019-10-14 23:14:31,674 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-14 23:14:31,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-10-14 23:14:31,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 25. [2019-10-14 23:14:31,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-10-14 23:14:31,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 27 transitions. [2019-10-14 23:14:31,681 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 27 transitions. Word has length 13 [2019-10-14 23:14:31,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:14:31,682 INFO L462 AbstractCegarLoop]: Abstraction has 25 states and 27 transitions. [2019-10-14 23:14:31,682 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-14 23:14:31,682 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2019-10-14 23:14:31,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-14 23:14:31,683 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:14:31,684 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:14:31,684 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:14:31,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:14:31,684 INFO L82 PathProgramCache]: Analyzing trace with hash 1393486425, now seen corresponding path program 1 times [2019-10-14 23:14:31,685 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:14:31,685 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192163668] [2019-10-14 23:14:31,685 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:14:31,685 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:14:31,686 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:14:31,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:14:31,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:14:31,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:14:32,003 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:14:32,007 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192163668] [2019-10-14 23:14:32,008 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [642907845] [2019-10-14 23:14:32,008 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 23:14:32,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:14:32,079 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 12 conjunts are in the unsatisfiable core [2019-10-14 23:14:32,086 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 23:14:34,573 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 23:14:34,618 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:14:34,619 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-14 23:14:34,620 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 13 [2019-10-14 23:14:34,621 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864049059] [2019-10-14 23:14:34,621 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-10-14 23:14:34,621 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:14:34,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-10-14 23:14:34,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=122, Unknown=1, NotChecked=0, Total=156 [2019-10-14 23:14:34,623 INFO L87 Difference]: Start difference. First operand 25 states and 27 transitions. Second operand 13 states. [2019-10-14 23:14:37,518 WARN L191 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 33 DAG size of output: 25 [2019-10-14 23:14:39,201 WARN L191 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 29 DAG size of output: 26 [2019-10-14 23:14:39,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:14:39,286 INFO L93 Difference]: Finished difference Result 45 states and 49 transitions. [2019-10-14 23:14:39,291 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-14 23:14:39,291 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 18 [2019-10-14 23:14:39,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:14:39,292 INFO L225 Difference]: With dead ends: 45 [2019-10-14 23:14:39,293 INFO L226 Difference]: Without dead ends: 31 [2019-10-14 23:14:39,293 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 17 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=66, Invalid=239, Unknown=1, NotChecked=0, Total=306 [2019-10-14 23:14:39,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-10-14 23:14:39,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 21. [2019-10-14 23:14:39,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-10-14 23:14:39,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2019-10-14 23:14:39,299 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 18 [2019-10-14 23:14:39,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:14:39,300 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2019-10-14 23:14:39,300 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-10-14 23:14:39,300 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2019-10-14 23:14:39,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-14 23:14:39,301 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:14:39,301 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:14:39,504 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 23:14:39,505 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:14:39,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:14:39,505 INFO L82 PathProgramCache]: Analyzing trace with hash 618852702, now seen corresponding path program 1 times [2019-10-14 23:14:39,505 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:14:39,505 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350122481] [2019-10-14 23:14:39,505 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:14:39,506 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:14:39,506 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:14:39,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:14:39,982 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 36 [2019-10-14 23:14:40,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:14:40,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:14:40,114 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:14:40,115 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350122481] [2019-10-14 23:14:40,116 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [841298480] [2019-10-14 23:14:40,116 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 23:14:40,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:14:40,248 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 20 conjunts are in the unsatisfiable core [2019-10-14 23:14:40,253 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 23:15:15,404 WARN L191 SmtUtils]: Spent 34.27 s on a formula simplification. DAG size of input: 59 DAG size of output: 47 [2019-10-14 23:15:17,455 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse3 (select |c_#memory_int| |c_main_~#array~0.base|)) (.cse1 (mod (+ c_main_~index1~0 4294967295) 4294967296)) (.cse5 (+ c_main_~index2~0 1))) (let ((.cse0 (* 4294967296 (div .cse5 4294967296))) (.cse4 (* .cse1 4)) (.cse2 (mod (select .cse3 (+ (* (mod .cse5 4294967296) 4) |c_main_~#array~0.offset|)) 4294967296))) (and (<= (+ .cse0 c_main_~index1~0) (+ (* 4294967296 (div (+ c_main_~index1~0 (- 1)) 4294967296)) c_main_~index2~0 1)) (or (<= .cse1 2147483647) (= .cse2 (mod (select .cse3 (+ .cse4 |c_main_~#array~0.offset| (- 17179869184))) 4294967296))) (<= c_main_~index2~0 (+ .cse0 99998)) (or (= (mod (select .cse3 (+ .cse4 |c_main_~#array~0.offset|)) 4294967296) .cse2) (< 2147483647 .cse1)) (<= (mod c_main_~index2~0 4294967296) (mod c_main_~index1~0 4294967296))))) is different from false [2019-10-14 23:15:17,460 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 23:15:17,462 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 23:15:17,463 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 23:15:17,464 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 23:15:17,468 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 23:15:17,471 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 23:15:17,473 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 23:15:17,476 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 23:15:17,479 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 23:15:17,480 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 23:15:17,481 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 23:15:17,484 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 23:15:17,487 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 23:15:17,489 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 23:15:17,491 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 23:15:17,576 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-14 23:15:17,576 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-14 23:15:17,594 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-14 23:15:17,599 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-14 23:15:17,602 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-14 23:15:17,618 INFO L172 IndexEqualityManager]: detected equality via solver [2019-10-14 23:15:17,621 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-14 23:15:17,624 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-14 23:15:17,975 INFO L172 IndexEqualityManager]: detected equality via solver [2019-10-14 23:15:18,130 INFO L172 IndexEqualityManager]: detected equality via solver [2019-10-14 23:15:20,430 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (let ((.cse0 (select |#memory_int| |main_~#array~0.base|))) (= (select .cse0 (+ (* (mod (+ main_~index1~0 4294967295) 4294967296) 4) |main_~#array~0.offset| (- 17179869184))) (select .cse0 (+ (* (mod main_~index1~0 4294967296) 4) |main_~#array~0.offset|)))) [2019-10-14 23:15:20,471 INFO L172 IndexEqualityManager]: detected equality via solver [2019-10-14 23:15:20,472 INFO L235 Elim1Store]: Index analysis took 2885 ms [2019-10-14 23:15:20,483 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 76 [2019-10-14 23:15:20,487 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-14 23:15:20,496 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-14 23:15:20,497 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-10-14 23:15:20,720 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-14 23:15:20,728 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-14 23:15:20,731 INFO L172 IndexEqualityManager]: detected equality via solver [2019-10-14 23:15:20,733 INFO L172 IndexEqualityManager]: detected equality via solver [2019-10-14 23:15:20,758 INFO L172 IndexEqualityManager]: detected equality via solver [2019-10-14 23:15:20,775 INFO L172 IndexEqualityManager]: detected equality via solver [2019-10-14 23:15:20,775 INFO L235 Elim1Store]: Index analysis took 258 ms [2019-10-14 23:15:20,777 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 76 [2019-10-14 23:15:20,778 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-10-14 23:15:20,787 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-14 23:15:20,788 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-10-14 23:15:20,799 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-14 23:15:20,800 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-10-14 23:15:20,810 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-14 23:15:20,810 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-10-14 23:15:20,827 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-14 23:15:20,827 INFO L496 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-10-14 23:15:20,860 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-14 23:15:20,861 INFO L496 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2019-10-14 23:15:20,874 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-14 23:15:20,875 INFO L496 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2019-10-14 23:15:20,881 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-14 23:15:20,881 INFO L496 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts.