/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 NOT_INCREMENTALLY -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 11:39:26,798 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 11:39:26,800 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 11:39:26,819 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 11:39:26,820 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 11:39:26,821 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 11:39:26,823 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 11:39:26,825 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 11:39:26,827 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 11:39:26,828 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 11:39:26,829 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 11:39:26,831 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 11:39:26,831 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 11:39:26,833 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 11:39:26,834 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 11:39:26,835 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 11:39:26,836 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 11:39:26,838 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 11:39:26,840 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 11:39:26,842 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 11:39:26,844 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 11:39:26,846 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 11:39:26,847 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 11:39:26,848 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 11:39:26,851 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-21 11:39:26,860 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 11:39:26,861 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 11:39:26,862 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 11:39:26,863 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 11:39:26,879 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 11:39:26,880 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 11:39:26,881 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 11:39:26,882 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 11:39:26,882 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 11:39:26,882 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 11:39:26,882 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 11:39:26,883 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 11:39:26,883 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 11:39:26,883 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 11:39:26,883 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 11:39:26,883 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 11:39:26,884 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 11:39:26,884 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 11:39:26,884 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 11:39:26,884 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 11:39:26,884 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 11:39:26,885 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 11:39:26,885 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 11:39:26,885 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 11:39:26,885 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 11:39:26,885 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 11:39:26,886 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 11:39:26,886 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 11:39:26,886 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 11:39:26,886 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 11:39:26,887 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:39:26,887 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 11:39:26,887 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 11:39:26,887 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 -> NOT_INCREMENTALLY [2020-07-21 11:39:27,183 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 11:39:27,207 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 11:39:27,214 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 11:39:27,216 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 11:39:27,217 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 11:39:27,218 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/matrix-1.c [2020-07-21 11:39:27,320 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96dd4f14c/d0032df283db4616a88c43552a5915fd/FLAGdb695e68e [2020-07-21 11:39:27,926 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 11:39:27,927 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/matrix-1.c [2020-07-21 11:39:27,935 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96dd4f14c/d0032df283db4616a88c43552a5915fd/FLAGdb695e68e [2020-07-21 11:39:28,284 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96dd4f14c/d0032df283db4616a88c43552a5915fd [2020-07-21 11:39:28,296 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 11:39:28,300 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 11:39:28,301 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 11:39:28,301 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 11:39:28,306 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 11:39:28,307 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:39:28" (1/1) ... [2020-07-21 11:39:28,311 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a84c9b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:39:28, skipping insertion in model container [2020-07-21 11:39:28,311 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:39:28" (1/1) ... [2020-07-21 11:39:28,321 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 11:39:28,342 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 11:39:28,551 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 11:39:28,556 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 11:39:28,585 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 11:39:28,614 INFO L208 MainTranslator]: Completed translation [2020-07-21 11:39:28,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:39:28 WrapperNode [2020-07-21 11:39:28,615 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 11:39:28,616 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 11:39:28,616 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 11:39:28,616 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 11:39:28,719 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:39:28" (1/1) ... [2020-07-21 11:39:28,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:39:28" (1/1) ... [2020-07-21 11:39:28,728 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:39:28" (1/1) ... [2020-07-21 11:39:28,729 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:39:28" (1/1) ... [2020-07-21 11:39:28,737 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:39:28" (1/1) ... [2020-07-21 11:39:28,744 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:39:28" (1/1) ... [2020-07-21 11:39:28,746 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:39:28" (1/1) ... [2020-07-21 11:39:28,748 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 11:39:28,749 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 11:39:28,749 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 11:39:28,749 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 11:39:28,750 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:39:28" (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 11:39:28,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 11:39:28,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 11:39:28,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-21 11:39:28,826 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 11:39:28,826 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 11:39:28,826 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-21 11:39:28,826 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 11:39:28,827 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 11:39:28,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 11:39:28,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 11:39:28,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 11:39:28,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 11:39:28,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 11:39:28,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 11:39:29,174 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 11:39:29,175 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-07-21 11:39:29,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:39:29 BoogieIcfgContainer [2020-07-21 11:39:29,180 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 11:39:29,182 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 11:39:29,182 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 11:39:29,186 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 11:39:29,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 11:39:28" (1/3) ... [2020-07-21 11:39:29,187 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68659d6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:39:29, skipping insertion in model container [2020-07-21 11:39:29,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:39:28" (2/3) ... [2020-07-21 11:39:29,188 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68659d6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:39:29, skipping insertion in model container [2020-07-21 11:39:29,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:39:29" (3/3) ... [2020-07-21 11:39:29,191 INFO L109 eAbstractionObserver]: Analyzing ICFG matrix-1.c [2020-07-21 11:39:29,204 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 11:39:29,213 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 11:39:29,230 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 11:39:29,262 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 11:39:29,263 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 11:39:29,263 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 11:39:29,263 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 11:39:29,263 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 11:39:29,264 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 11:39:29,264 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 11:39:29,264 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 11:39:29,283 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2020-07-21 11:39:29,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-07-21 11:39:29,289 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:39:29,290 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 11:39:29,291 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:39:29,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:39:29,297 INFO L82 PathProgramCache]: Analyzing trace with hash 1330517862, now seen corresponding path program 1 times [2020-07-21 11:39:29,307 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:39:29,307 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [56078071] [2020-07-21 11:39:29,308 INFO L95 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 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 11:39:29,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:39:29,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 11:39:29,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:39:29,456 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 11:39:29,456 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 11:39:29,458 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [56078071] [2020-07-21 11:39:29,459 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 11:39:29,460 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 11:39:29,461 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44710332] [2020-07-21 11:39:29,467 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 11:39:29,468 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:39:29,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 11:39:29,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 11:39:29,484 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 2 states. [2020-07-21 11:39:29,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:39:29,515 INFO L93 Difference]: Finished difference Result 42 states and 53 transitions. [2020-07-21 11:39:29,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 11:39:29,517 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-07-21 11:39:29,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:39:29,527 INFO L225 Difference]: With dead ends: 42 [2020-07-21 11:39:29,528 INFO L226 Difference]: Without dead ends: 17 [2020-07-21 11:39:29,533 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 11:39:29,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2020-07-21 11:39:29,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2020-07-21 11:39:29,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-07-21 11:39:29,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2020-07-21 11:39:29,578 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 12 [2020-07-21 11:39:29,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:39:29,578 INFO L479 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2020-07-21 11:39:29,579 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 11:39:29,579 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2020-07-21 11:39:29,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-07-21 11:39:29,580 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:39:29,580 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 11:39:29,796 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:39:29,797 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:39:29,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:39:29,798 INFO L82 PathProgramCache]: Analyzing trace with hash 672047389, now seen corresponding path program 1 times [2020-07-21 11:39:29,798 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:39:29,799 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1384220654] [2020-07-21 11:39:29,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 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 11:39:29,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:39:29,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 11:39:29,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:39:29,893 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 11:39:29,893 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 11:39:29,894 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1384220654] [2020-07-21 11:39:29,894 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 11:39:29,894 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 11:39:29,895 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545711581] [2020-07-21 11:39:29,897 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 11:39:29,897 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:39:29,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 11:39:29,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 11:39:29,898 INFO L87 Difference]: Start difference. First operand 17 states and 19 transitions. Second operand 3 states. [2020-07-21 11:39:29,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:39:29,945 INFO L93 Difference]: Finished difference Result 28 states and 32 transitions. [2020-07-21 11:39:29,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 11:39:29,946 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-07-21 11:39:29,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:39:29,948 INFO L225 Difference]: With dead ends: 28 [2020-07-21 11:39:29,948 INFO L226 Difference]: Without dead ends: 22 [2020-07-21 11:39:29,949 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 11:39:29,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2020-07-21 11:39:29,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 18. [2020-07-21 11:39:29,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-07-21 11:39:29,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions. [2020-07-21 11:39:29,956 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 20 transitions. Word has length 12 [2020-07-21 11:39:29,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:39:29,957 INFO L479 AbstractCegarLoop]: Abstraction has 18 states and 20 transitions. [2020-07-21 11:39:29,957 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 11:39:29,957 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2020-07-21 11:39:29,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-07-21 11:39:29,958 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:39:29,958 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 11:39:30,170 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:39:30,171 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:39:30,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:39:30,172 INFO L82 PathProgramCache]: Analyzing trace with hash -830834987, now seen corresponding path program 1 times [2020-07-21 11:39:30,172 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:39:30,173 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1122975761] [2020-07-21 11:39:30,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 11:39:30,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:39:30,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 11:39:30,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:39:30,269 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 11:39:30,269 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 11:39:30,270 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1122975761] [2020-07-21 11:39:30,270 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 11:39:30,270 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-21 11:39:30,271 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533498244] [2020-07-21 11:39:30,271 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-21 11:39:30,272 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:39:30,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-21 11:39:30,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-21 11:39:30,273 INFO L87 Difference]: Start difference. First operand 18 states and 20 transitions. Second operand 4 states. [2020-07-21 11:39:30,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:39:30,331 INFO L93 Difference]: Finished difference Result 32 states and 38 transitions. [2020-07-21 11:39:30,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-21 11:39:30,332 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2020-07-21 11:39:30,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:39:30,333 INFO L225 Difference]: With dead ends: 32 [2020-07-21 11:39:30,333 INFO L226 Difference]: Without dead ends: 21 [2020-07-21 11:39:30,334 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 11:39:30,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-07-21 11:39:30,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 19. [2020-07-21 11:39:30,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-07-21 11:39:30,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2020-07-21 11:39:30,341 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 15 [2020-07-21 11:39:30,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:39:30,341 INFO L479 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions. [2020-07-21 11:39:30,341 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-21 11:39:30,341 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2020-07-21 11:39:30,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-07-21 11:39:30,342 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:39:30,342 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 11:39:30,555 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:39:30,556 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:39:30,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:39:30,557 INFO L82 PathProgramCache]: Analyzing trace with hash -1529445450, now seen corresponding path program 1 times [2020-07-21 11:39:30,557 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:39:30,557 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1978741803] [2020-07-21 11:39:30,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 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 11:39:30,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:39:30,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 16 conjunts are in the unsatisfiable core [2020-07-21 11:39:30,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:39:30,783 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 11:39:30,783 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 11:39:31,292 WARN L193 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 27 [2020-07-21 11:39:31,296 INFO L624 ElimStorePlain]: treesize reduction 461, result has 6.5 percent of original size [2020-07-21 11:39:31,296 INFO L512 ElimStorePlain]: Eliminatee v_prenex_13 vanished before elimination [2020-07-21 11:39:31,296 INFO L512 ElimStorePlain]: Eliminatee v_prenex_1 vanished before elimination [2020-07-21 11:39:31,297 INFO L512 ElimStorePlain]: Eliminatee |v_#memory_int_7| vanished before elimination [2020-07-21 11:39:31,297 INFO L512 ElimStorePlain]: Eliminatee v_prenex_3 vanished before elimination [2020-07-21 11:39:31,297 INFO L512 ElimStorePlain]: Eliminatee v_prenex_11 vanished before elimination [2020-07-21 11:39:31,300 INFO L512 ElimStorePlain]: Eliminatee v_prenex_5 vanished before elimination [2020-07-21 11:39:31,300 INFO L512 ElimStorePlain]: Eliminatee v_prenex_7 vanished before elimination [2020-07-21 11:39:31,301 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 11:39:31,301 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 16 variables, input treesize:497, output treesize:10 [2020-07-21 11:39:31,338 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 15 treesize of output 7 [2020-07-21 11:39:31,343 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 11:39:31,350 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 11:39:31,350 INFO L544 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-21 11:39:31,351 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:15, output treesize:3 [2020-07-21 11:39:31,369 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 11:39:31,414 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 11:39:31,420 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 11:39:31,452 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:39:31,484 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:39:31,486 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:39:31,488 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:39:31,491 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:39:31,495 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:39:31,496 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:39:31,500 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:39:33,284 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification that was a NOOP. DAG size: 104 [2020-07-21 11:39:33,305 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:39:33,308 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:39:33,311 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:39:33,316 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:39:33,322 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:39:33,324 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:39:33,336 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:39:33,351 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:39:33,353 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:39:33,361 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:39:33,385 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:39:33,390 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:39:33,392 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:39:33,399 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:39:33,414 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:39:33,417 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:39:33,428 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:39:33,450 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:39:33,455 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:39:33,457 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:39:33,460 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:39:33,464 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:39:33,471 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:39:33,474 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:39:33,479 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:39:33,488 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:39:33,494 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:39:33,498 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:39:33,504 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:39:33,514 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:39:33,515 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:39:33,519 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:39:33,526 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:39:33,527 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:39:33,529 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:39:33,530 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:39:33,531 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:39:33,534 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:39:33,538 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:39:33,539 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:39:33,543 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:39:33,547 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:39:33,548 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:39:33,549 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:39:33,552 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:39:33,555 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:39:33,556 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:39:33,559 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:39:33,564 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:39:33,566 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:39:33,567 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:39:33,568 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:39:33,570 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:39:33,574 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:39:33,575 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:39:33,578 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:39:33,583 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:39:33,584 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:39:33,585 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:39:33,588 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:39:33,591 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:39:33,592 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:39:33,595 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:39:33,673 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:39:33,674 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 11:39:33,696 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 11:39:33,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 11:39:34,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 11:39:34,549 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 11:39:34,551 INFO L544 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-07-21 11:39:34,592 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 11:39:34,592 INFO L544 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-07-21 11:39:34,611 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:39:34,612 INFO L544 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-07-21 11:39:34,635 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:39:34,636 INFO L544 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-07-21 11:39:34,666 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:39:34,666 INFO L544 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-07-21 11:39:34,687 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:39:34,688 INFO L544 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-07-21 11:39:34,709 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:39:34,709 INFO L544 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-07-21 11:39:34,738 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:39:34,739 INFO L544 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2020-07-21 11:39:34,760 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:39:34,761 INFO L544 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2020-07-21 11:39:34,779 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:39:34,779 INFO L544 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2020-07-21 11:39:34,804 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 11:39:34,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 11:39:34,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 11:39:34,918 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 11:39:34,919 INFO L544 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2020-07-21 11:39:34,942 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 11:39:34,942 INFO L544 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-07-21 11:39:34,963 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:39:34,963 INFO L544 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2020-07-21 11:39:34,982 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:39:34,983 INFO L544 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2020-07-21 11:39:35,002 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 11:39:35,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 11:39:35,017 INFO L173 IndexEqualityManager]: detected equality via solver [2020-07-21 11:39:35,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 11:39:35,034 INFO L173 IndexEqualityManager]: detected equality via solver [2020-07-21 11:39:35,047 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 11:39:35,048 INFO L544 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2020-07-21 11:39:35,051 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 11:39:35,051 INFO L544 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-07-21 11:39:35,070 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:39:35,070 INFO L544 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2020-07-21 11:39:35,091 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:39:35,092 INFO L544 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2020-07-21 11:39:35,110 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:39:35,111 INFO L544 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2020-07-21 11:39:35,127 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:39:35,127 INFO L544 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2020-07-21 11:39:35,143 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:39:35,144 INFO L544 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2020-07-21 11:39:35,160 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:39:35,161 INFO L544 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2020-07-21 11:39:35,178 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:39:35,179 INFO L544 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2020-07-21 11:39:35,195 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:39:35,195 INFO L544 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2020-07-21 11:39:35,215 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 11:39:35,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 11:39:35,547 INFO L173 IndexEqualityManager]: detected equality via solver [2020-07-21 11:39:35,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 11:39:36,385 INFO L173 IndexEqualityManager]: detected equality via solver [2020-07-21 11:39:36,396 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 11:39:36,397 INFO L544 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2020-07-21 11:39:36,401 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 11:39:36,402 INFO L544 ElimStorePlain]: Start of recursive call 27: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-07-21 11:39:36,416 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:39:36,417 INFO L544 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2020-07-21 11:39:36,432 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:39:36,433 INFO L544 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2020-07-21 11:39:36,453 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 11:39:36,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 11:39:36,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 11:39:36,498 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 11:39:36,499 INFO L544 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2020-07-21 11:39:36,505 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 11:39:36,506 INFO L544 ElimStorePlain]: Start of recursive call 31: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-07-21 11:39:36,533 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:39:36,533 INFO L544 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2020-07-21 11:39:36,551 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:39:36,552 INFO L544 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2020-07-21 11:39:36,567 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:39:36,568 INFO L544 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2020-07-21 11:39:36,585 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:39:36,585 INFO L544 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2020-07-21 11:39:36,604 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:39:36,604 INFO L544 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2020-07-21 11:39:36,621 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:39:36,621 INFO L544 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2020-07-21 11:39:36,637 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:39:36,638 INFO L544 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2020-07-21 11:39:36,655 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:39:36,655 INFO L544 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2020-07-21 11:39:36,671 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:39:36,671 INFO L544 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2020-07-21 11:39:36,686 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:39:36,687 INFO L544 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2020-07-21 11:39:36,702 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:39:36,703 INFO L544 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2020-07-21 11:39:36,720 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:39:36,721 INFO L544 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2020-07-21 11:39:36,739 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:39:36,739 INFO L544 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2020-07-21 11:39:36,755 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:39:36,755 INFO L544 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2020-07-21 11:39:36,771 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:39:36,772 INFO L544 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2020-07-21 11:39:36,786 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:39:36,787 INFO L544 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2020-07-21 11:39:36,813 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 11:39:36,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 11:39:36,830 INFO L173 IndexEqualityManager]: detected equality via solver [2020-07-21 11:39:36,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 11:39:36,845 INFO L173 IndexEqualityManager]: detected equality via solver [2020-07-21 11:39:36,861 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 11:39:36,862 INFO L544 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2020-07-21 11:39:36,864 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 11:39:36,865 INFO L544 ElimStorePlain]: Start of recursive call 49: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-07-21 11:39:36,879 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:39:36,879 INFO L544 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2020-07-21 11:39:36,894 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:39:36,895 INFO L544 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2020-07-21 11:39:36,910 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:39:36,910 INFO L544 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2020-07-21 11:39:36,927 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:39:36,928 INFO L544 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2020-07-21 11:39:36,942 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:39:36,943 INFO L544 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2020-07-21 11:39:36,960 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:39:36,961 INFO L544 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2020-07-21 11:39:36,977 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:39:36,977 INFO L544 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2020-07-21 11:39:36,994 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:39:36,995 INFO L544 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2020-07-21 11:39:37,038 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:39:37,039 INFO L544 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2020-07-21 11:39:37,052 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:39:37,052 INFO L544 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2020-07-21 11:39:37,062 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:39:37,063 INFO L544 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2020-07-21 11:39:37,075 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:39:37,076 INFO L544 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2020-07-21 11:39:37,085 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:39:37,085 INFO L544 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2020-07-21 11:39:37,093 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:39:37,094 INFO L544 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2020-07-21 11:39:37,102 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:39:37,103 INFO L544 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2020-07-21 11:39:37,112 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:39:37,112 INFO L544 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 1 xjuncts. [2020-07-21 11:39:37,121 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:39:37,121 INFO L544 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2020-07-21 11:39:37,130 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:39:37,130 INFO L544 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2020-07-21 11:39:37,138 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:39:37,139 INFO L544 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2020-07-21 11:39:37,146 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:39:37,146 INFO L544 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2020-07-21 11:39:37,153 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:39:37,153 INFO L544 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2020-07-21 11:39:37,872 WARN L193 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 56 [2020-07-21 11:39:37,874 INFO L624 ElimStorePlain]: treesize reduction 204, result has 33.1 percent of original size [2020-07-21 11:39:37,883 INFO L544 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 3 xjuncts. [2020-07-21 11:39:37,884 INFO L244 ElimStorePlain]: Needed 71 recursive calls to eliminate 4 variables, input treesize:7169, output treesize:101 [2020-07-21 11:39:38,453 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2020-07-21 11:39:38,767 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 18 [2020-07-21 11:39:38,787 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 11:39:38,788 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1978741803] [2020-07-21 11:39:38,788 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 11:39:38,788 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 11 [2020-07-21 11:39:38,789 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362020824] [2020-07-21 11:39:38,789 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-21 11:39:38,789 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:39:38,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-21 11:39:38,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-07-21 11:39:38,790 INFO L87 Difference]: Start difference. First operand 19 states and 21 transitions. Second operand 11 states. [2020-07-21 11:39:39,127 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 44 [2020-07-21 11:39:39,361 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 46 [2020-07-21 11:39:45,508 WARN L193 SmtUtils]: Spent 5.87 s on a formula simplification. DAG size of input: 173 DAG size of output: 160 [2020-07-21 11:39:54,388 WARN L193 SmtUtils]: Spent 8.41 s on a formula simplification. DAG size of input: 171 DAG size of output: 158 [2020-07-21 11:40:03,098 WARN L193 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 80 [2020-07-21 11:40:04,456 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 73 [2020-07-21 11:40:04,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:40:04,825 INFO L93 Difference]: Finished difference Result 51 states and 63 transitions. [2020-07-21 11:40:04,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-07-21 11:40:04,827 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 18 [2020-07-21 11:40:04,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:40:04,829 INFO L225 Difference]: With dead ends: 51 [2020-07-21 11:40:04,830 INFO L226 Difference]: Without dead ends: 45 [2020-07-21 11:40:04,831 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 23 SyntacticMatches, 3 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 21.6s TimeCoverageRelationStatistics Valid=126, Invalid=380, Unknown=0, NotChecked=0, Total=506 [2020-07-21 11:40:04,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-07-21 11:40:04,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 35. [2020-07-21 11:40:04,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-07-21 11:40:04,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 43 transitions. [2020-07-21 11:40:04,843 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 43 transitions. Word has length 18 [2020-07-21 11:40:04,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:40:04,843 INFO L479 AbstractCegarLoop]: Abstraction has 35 states and 43 transitions. [2020-07-21 11:40:04,843 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-21 11:40:04,844 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 43 transitions. [2020-07-21 11:40:04,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-07-21 11:40:04,844 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:40:04,845 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 11:40:05,047 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:40:05,048 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:40:05,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:40:05,049 INFO L82 PathProgramCache]: Analyzing trace with hash -1922472460, now seen corresponding path program 1 times [2020-07-21 11:40:05,049 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:40:05,050 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1065410308] [2020-07-21 11:40:05,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 11:40:05,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:40:05,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2020-07-21 11:40:05,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:40:05,144 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 11 treesize of output 7 [2020-07-21 11:40:05,145 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 11:40:05,151 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 11:40:05,152 INFO L544 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-21 11:40:05,153 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:19, output treesize:7 [2020-07-21 11:40:05,188 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 17 treesize of output 9 [2020-07-21 11:40:05,189 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 11:40:05,192 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 11:40:05,192 INFO L544 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-21 11:40:05,193 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:17, output treesize:5 [2020-07-21 11:40:05,206 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 11:40:05,238 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 11:40:05,238 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 11:40:05,267 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:40:05,343 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:40:05,346 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:40:05,347 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:40:05,349 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:40:05,351 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:40:05,352 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:40:05,354 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:40:05,363 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:40:05,365 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:40:05,366 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:40:05,367 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:40:05,369 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:40:05,372 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:40:05,376 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:40:05,378 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:40:05,379 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:40:05,382 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:40:05,386 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:40:05,387 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:40:05,388 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:40:05,390 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:40:05,393 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:40:05,394 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:40:05,398 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:40:05,403 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:40:05,404 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:40:05,405 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:40:05,406 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:40:05,407 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:40:05,410 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:40:05,413 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:40:05,415 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:40:05,418 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:40:05,419 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:40:05,420 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:40:05,422 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:40:05,425 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:40:05,426 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:40:05,428 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:40:05,434 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:40:05,436 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:40:05,437 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:40:05,438 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:40:05,439 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:40:05,441 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:40:05,447 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:40:05,448 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:40:05,450 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:40:05,454 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:40:05,455 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:40:05,456 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:40:05,459 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:40:05,461 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:40:05,462 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:40:05,464 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:40:05,467 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:40:05,468 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:40:05,469 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:40:05,470 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:40:05,472 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:40:05,475 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:40:05,476 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:40:05,479 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:40:05,482 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:40:05,483 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:40:05,484 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:40:05,486 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:40:05,489 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:40:05,490 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:40:05,492 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:40:05,574 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:40:05,574 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 11:40:05,589 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:40:05,589 INFO L544 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-07-21 11:40:05,602 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:40:05,602 INFO L544 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-07-21 11:40:05,623 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:40:05,624 INFO L544 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-07-21 11:40:05,650 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:40:05,651 INFO L544 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-07-21 11:40:05,667 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:40:05,667 INFO L544 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-07-21 11:40:05,683 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:40:05,684 INFO L544 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-07-21 11:40:05,699 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:40:05,700 INFO L544 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-07-21 11:40:05,714 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:40:05,715 INFO L544 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2020-07-21 11:40:05,743 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 11:40:05,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 11:40:05,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 11:40:05,916 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 11:40:05,917 INFO L544 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2020-07-21 11:40:05,990 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 11:40:05,990 INFO L544 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-07-21 11:40:06,008 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:40:06,008 INFO L544 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2020-07-21 11:40:06,028 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:40:06,029 INFO L544 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2020-07-21 11:40:06,046 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:40:06,046 INFO L544 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2020-07-21 11:40:06,064 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:40:06,064 INFO L544 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2020-07-21 11:40:06,081 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:40:06,082 INFO L544 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2020-07-21 11:40:06,100 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:40:06,101 INFO L544 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2020-07-21 11:40:06,118 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:40:06,119 INFO L544 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2020-07-21 11:40:06,137 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:40:06,138 INFO L544 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2020-07-21 11:40:06,155 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:40:06,156 INFO L544 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2020-07-21 11:40:06,172 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:40:06,173 INFO L544 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2020-07-21 11:40:06,203 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 11:40:06,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 11:40:06,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 11:40:06,454 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 11:40:06,455 INFO L544 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2020-07-21 11:40:06,472 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 11:40:06,472 INFO L544 ElimStorePlain]: Start of recursive call 23: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-07-21 11:40:06,489 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:40:06,490 INFO L544 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2020-07-21 11:40:06,506 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:40:06,507 INFO L544 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2020-07-21 11:40:06,523 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:40:06,523 INFO L544 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2020-07-21 11:40:06,537 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:40:06,538 INFO L544 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2020-07-21 11:40:06,563 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 11:40:06,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 11:40:06,822 INFO L173 IndexEqualityManager]: detected equality via solver [2020-07-21 11:40:06,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 11:40:06,915 INFO L173 IndexEqualityManager]: detected equality via solver [2020-07-21 11:40:06,929 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 11:40:06,930 INFO L544 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2020-07-21 11:40:06,931 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 11:40:06,932 INFO L544 ElimStorePlain]: Start of recursive call 29: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-07-21 11:40:06,945 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:40:06,946 INFO L544 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2020-07-21 11:40:06,962 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:40:06,963 INFO L544 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2020-07-21 11:40:06,978 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:40:06,979 INFO L544 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2020-07-21 11:40:06,999 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:40:07,000 INFO L544 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2020-07-21 11:40:07,020 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:40:07,021 INFO L544 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2020-07-21 11:40:07,040 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:40:07,040 INFO L544 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2020-07-21 11:40:07,058 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:40:07,059 INFO L544 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2020-07-21 11:40:07,081 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:40:07,081 INFO L544 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2020-07-21 11:40:07,098 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:40:07,098 INFO L544 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2020-07-21 11:40:07,126 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 11:40:07,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 11:40:07,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 11:40:07,180 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 11:40:07,180 INFO L544 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2020-07-21 11:40:07,189 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 11:40:07,189 INFO L544 ElimStorePlain]: Start of recursive call 40: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-07-21 11:40:07,201 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:40:07,201 INFO L544 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2020-07-21 11:40:07,214 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:40:07,215 INFO L544 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2020-07-21 11:40:07,235 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:40:07,236 INFO L544 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2020-07-21 11:40:07,250 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:40:07,251 INFO L544 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2020-07-21 11:40:07,263 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:40:07,264 INFO L544 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2020-07-21 11:40:07,281 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:40:07,281 INFO L544 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2020-07-21 11:40:07,295 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:40:07,296 INFO L544 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2020-07-21 11:40:07,309 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:40:07,310 INFO L544 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2020-07-21 11:40:07,329 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:40:07,329 INFO L544 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2020-07-21 11:40:07,343 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:40:07,343 INFO L544 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2020-07-21 11:40:07,357 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:40:07,357 INFO L544 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2020-07-21 11:40:07,392 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:40:07,393 INFO L544 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2020-07-21 11:40:07,405 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:40:07,406 INFO L544 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2020-07-21 11:40:07,436 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:40:07,436 INFO L544 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2020-07-21 11:40:07,451 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:40:07,451 INFO L544 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2020-07-21 11:40:07,458 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:40:07,459 INFO L544 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2020-07-21 11:40:07,479 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 11:40:07,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 11:40:07,514 INFO L173 IndexEqualityManager]: detected equality via solver [2020-07-21 11:40:07,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 11:40:07,542 INFO L173 IndexEqualityManager]: detected equality via solver [2020-07-21 11:40:07,555 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 7 treesize of output 5 [2020-07-21 11:40:07,556 INFO L544 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2020-07-21 11:40:07,563 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 11:40:07,564 INFO L544 ElimStorePlain]: Start of recursive call 58: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-07-21 11:40:07,570 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:40:07,571 INFO L544 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2020-07-21 11:40:07,579 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:40:07,579 INFO L544 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2020-07-21 11:40:07,587 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:40:07,587 INFO L544 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2020-07-21 11:40:07,596 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:40:07,597 INFO L544 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2020-07-21 11:40:07,605 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:40:07,605 INFO L544 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2020-07-21 11:40:07,623 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:40:07,624 INFO L544 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2020-07-21 11:40:07,631 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:40:07,632 INFO L544 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 1 xjuncts. [2020-07-21 11:40:07,649 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 11:40:07,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 11:40:07,682 INFO L173 IndexEqualityManager]: detected equality via solver [2020-07-21 11:40:07,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 11:40:07,720 INFO L173 IndexEqualityManager]: detected equality via solver [2020-07-21 11:40:07,732 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 11:40:07,733 INFO L544 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2020-07-21 11:40:07,734 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 11:40:07,735 INFO L544 ElimStorePlain]: Start of recursive call 67: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-07-21 11:40:07,741 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:40:07,742 INFO L544 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2020-07-21 11:40:07,748 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:40:07,748 INFO L544 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2020-07-21 11:40:07,758 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-21 11:40:07,758 INFO L544 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2020-07-21 11:40:23,578 WARN L193 SmtUtils]: Spent 15.82 s on a formula simplification. DAG size of input: 73 DAG size of output: 51 [2020-07-21 11:40:23,579 INFO L624 ElimStorePlain]: treesize reduction 221, result has 29.6 percent of original size [2020-07-21 11:40:23,581 INFO L544 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2020-07-21 11:40:23,582 INFO L244 ElimStorePlain]: Needed 71 recursive calls to eliminate 4 variables, input treesize:7265, output treesize:93 [2020-07-21 11:40:30,271 WARN L193 SmtUtils]: Spent 5.38 s on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 11:40:35,788 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 31 DAG size of output: 24 [2020-07-21 11:40:35,796 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 11:40:35,797 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1065410308] [2020-07-21 11:40:35,797 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 11:40:35,797 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 14 [2020-07-21 11:40:35,798 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519571380] [2020-07-21 11:40:35,798 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-21 11:40:35,798 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:40:35,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-21 11:40:35,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=149, Unknown=1, NotChecked=0, Total=182 [2020-07-21 11:40:35,799 INFO L87 Difference]: Start difference. First operand 35 states and 43 transitions. Second operand 14 states. [2020-07-21 11:40:36,830 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2020-07-21 11:40:37,552 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2020-07-21 11:40:44,842 WARN L193 SmtUtils]: Spent 7.08 s on a formula simplification that was a NOOP. DAG size: 81 [2020-07-21 11:40:49,649 WARN L193 SmtUtils]: Spent 4.50 s on a formula simplification that was a NOOP. DAG size: 81 [2020-07-21 11:41:01,872 WARN L193 SmtUtils]: Spent 8.97 s on a formula simplification that was a NOOP. DAG size: 81 [2020-07-21 11:41:02,791 WARN L193 SmtUtils]: Spent 612.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2020-07-21 11:41:13,296 WARN L193 SmtUtils]: Spent 6.83 s on a formula simplification that was a NOOP. DAG size: 72 [2020-07-21 11:41:18,419 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-07-21 11:41:18,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:41:18,853 INFO L93 Difference]: Finished difference Result 60 states and 73 transitions. [2020-07-21 11:41:18,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-07-21 11:41:18,854 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 18 [2020-07-21 11:41:18,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:41:18,857 INFO L225 Difference]: With dead ends: 60 [2020-07-21 11:41:18,857 INFO L226 Difference]: Without dead ends: 52 [2020-07-21 11:41:18,858 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 21 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 44.3s TimeCoverageRelationStatistics Valid=170, Invalid=699, Unknown=1, NotChecked=0, Total=870 [2020-07-21 11:41:18,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-07-21 11:41:18,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 31. [2020-07-21 11:41:18,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-07-21 11:41:18,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 37 transitions. [2020-07-21 11:41:18,871 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 37 transitions. Word has length 18 [2020-07-21 11:41:18,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:41:18,871 INFO L479 AbstractCegarLoop]: Abstraction has 31 states and 37 transitions. [2020-07-21 11:41:18,871 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-21 11:41:18,871 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 37 transitions. [2020-07-21 11:41:18,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-07-21 11:41:18,872 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:41:18,873 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 11:41:19,077 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:41:19,077 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:41:19,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:41:19,078 INFO L82 PathProgramCache]: Analyzing trace with hash -1347405636, now seen corresponding path program 2 times [2020-07-21 11:41:19,079 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:41:19,079 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1900019980] [2020-07-21 11:41:19,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:41:19,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:41:19,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 11:41:19,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:41:19,188 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 17 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-07-21 11:41:19,189 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 11:41:19,396 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 11 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-07-21 11:41:19,396 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1900019980] [2020-07-21 11:41:19,397 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 11:41:19,397 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2020-07-21 11:41:19,397 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496661288] [2020-07-21 11:41:19,398 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-21 11:41:19,398 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:41:19,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-21 11:41:19,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-07-21 11:41:19,403 INFO L87 Difference]: Start difference. First operand 31 states and 37 transitions. Second operand 8 states. [2020-07-21 11:41:19,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:41:19,525 INFO L93 Difference]: Finished difference Result 54 states and 66 transitions. [2020-07-21 11:41:19,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 11:41:19,529 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 27 [2020-07-21 11:41:19,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:41:19,530 INFO L225 Difference]: With dead ends: 54 [2020-07-21 11:41:19,530 INFO L226 Difference]: Without dead ends: 31 [2020-07-21 11:41:19,531 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-07-21 11:41:19,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-07-21 11:41:19,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-07-21 11:41:19,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-07-21 11:41:19,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 34 transitions. [2020-07-21 11:41:19,540 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 34 transitions. Word has length 27 [2020-07-21 11:41:19,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:41:19,540 INFO L479 AbstractCegarLoop]: Abstraction has 31 states and 34 transitions. [2020-07-21 11:41:19,540 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-21 11:41:19,540 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 34 transitions. [2020-07-21 11:41:19,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-07-21 11:41:19,541 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:41:19,541 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 11:41:19,756 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:41:19,757 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:41:19,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:41:19,758 INFO L82 PathProgramCache]: Analyzing trace with hash -795208536, now seen corresponding path program 3 times [2020-07-21 11:41:19,758 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:41:19,759 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [636329396] [2020-07-21 11:41:19,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:41:19,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:41:19,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-21 11:41:19,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:41:19,888 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-21 11:41:19,888 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 11:41:20,126 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-21 11:41:20,127 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [636329396] [2020-07-21 11:41:20,127 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 11:41:20,127 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2020-07-21 11:41:20,128 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648367598] [2020-07-21 11:41:20,128 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-21 11:41:20,128 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:41:20,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-21 11:41:20,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-07-21 11:41:20,129 INFO L87 Difference]: Start difference. First operand 31 states and 34 transitions. Second operand 8 states. [2020-07-21 11:41:20,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:41:20,193 INFO L93 Difference]: Finished difference Result 31 states and 34 transitions. [2020-07-21 11:41:20,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-21 11:41:20,198 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 30 [2020-07-21 11:41:20,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:41:20,198 INFO L225 Difference]: With dead ends: 31 [2020-07-21 11:41:20,198 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 11:41:20,199 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-07-21 11:41:20,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 11:41:20,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 11:41:20,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 11:41:20,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 11:41:20,200 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2020-07-21 11:41:20,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:41:20,201 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 11:41:20,201 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-21 11:41:20,201 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 11:41:20,201 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 11:41:20,402 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:41:20,406 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 11:41:20,810 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 15 [2020-07-21 11:41:21,020 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 22 [2020-07-21 11:41:21,024 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 11:41:21,024 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-21 11:41:21,024 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 11:41:21,024 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 11:41:21,025 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-21 11:41:21,025 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 11:41:21,025 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 11:41:21,025 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 11 31) no Hoare annotation was computed. [2020-07-21 11:41:21,025 INFO L268 CegarLoopResult]: For program point L19-2(lines 19 26) no Hoare annotation was computed. [2020-07-21 11:41:21,025 INFO L264 CegarLoopResult]: At program point L19-3(lines 19 26) the Hoare annotation is: (let ((.cse0 (= 1 main_~N_COL~0)) (.cse1 (= 1 main_~N_LIN~0))) (or (and (<= (select (select |#memory_int| |main_~#matriz~0.base|) |main_~#matriz~0.offset|) main_~maior~0) .cse0 (= 1 main_~k~0) (= 1 main_~j~0) .cse1) (and .cse0 (= 0 main_~j~0) .cse1))) [2020-07-21 11:41:21,025 INFO L268 CegarLoopResult]: For program point L19-4(lines 19 26) no Hoare annotation was computed. [2020-07-21 11:41:21,025 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 11 31) no Hoare annotation was computed. [2020-07-21 11:41:21,026 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 11 31) the Hoare annotation is: true [2020-07-21 11:41:21,026 INFO L264 CegarLoopResult]: At program point L28(line 28) the Hoare annotation is: (and (<= |main_#t~mem6| main_~maior~0) (<= (select (select |#memory_int| |main_~#matriz~0.base|) |main_~#matriz~0.offset|) main_~maior~0) (= 1 main_~N_COL~0) (= 1 main_~N_LIN~0)) [2020-07-21 11:41:21,026 INFO L268 CegarLoopResult]: For program point L28-1(line 28) no Hoare annotation was computed. [2020-07-21 11:41:21,026 INFO L268 CegarLoopResult]: For program point L24(lines 24 25) no Hoare annotation was computed. [2020-07-21 11:41:21,026 INFO L268 CegarLoopResult]: For program point L20-2(lines 20 26) no Hoare annotation was computed. [2020-07-21 11:41:21,026 INFO L264 CegarLoopResult]: At program point L20-3(lines 20 26) the Hoare annotation is: (let ((.cse0 (= 1 main_~N_COL~0)) (.cse1 (= 0 main_~j~0)) (.cse2 (= 1 main_~N_LIN~0))) (or (and (<= (select (select |#memory_int| |main_~#matriz~0.base|) |main_~#matriz~0.offset|) main_~maior~0) (= 1 main_~k~0) .cse0 .cse1 .cse2) (and (= 0 main_~k~0) .cse0 .cse1 .cse2))) [2020-07-21 11:41:21,027 INFO L271 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true [2020-07-21 11:41:21,027 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed. [2020-07-21 11:41:21,027 INFO L268 CegarLoopResult]: For program point L5(line 5) no Hoare annotation was computed. [2020-07-21 11:41:21,027 INFO L268 CegarLoopResult]: For program point L4(lines 4 6) no Hoare annotation was computed. [2020-07-21 11:41:21,027 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2020-07-21 11:41:21,027 INFO L268 CegarLoopResult]: For program point L4-2(lines 3 8) no Hoare annotation was computed. [2020-07-21 11:41:21,038 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:41:21,043 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:41:21,044 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:41:21,045 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:41:21,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 11:41:21 BoogieIcfgContainer [2020-07-21 11:41:21,048 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 11:41:21,050 INFO L168 Benchmark]: Toolchain (without parser) took 112751.72 ms. Allocated memory was 137.9 MB in the beginning and 296.2 MB in the end (delta: 158.3 MB). Free memory was 101.9 MB in the beginning and 188.8 MB in the end (delta: -86.9 MB). Peak memory consumption was 71.4 MB. Max. memory is 7.1 GB. [2020-07-21 11:41:21,050 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-21 11:41:21,051 INFO L168 Benchmark]: CACSL2BoogieTranslator took 314.40 ms. Allocated memory is still 137.9 MB. Free memory was 101.5 MB in the beginning and 91.4 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2020-07-21 11:41:21,052 INFO L168 Benchmark]: Boogie Preprocessor took 132.55 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 91.4 MB in the beginning and 179.4 MB in the end (delta: -88.0 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. [2020-07-21 11:41:21,052 INFO L168 Benchmark]: RCFGBuilder took 431.53 ms. Allocated memory is still 201.9 MB. Free memory was 179.4 MB in the beginning and 163.9 MB in the end (delta: 15.5 MB). Peak memory consumption was 15.5 MB. Max. memory is 7.1 GB. [2020-07-21 11:41:21,053 INFO L168 Benchmark]: TraceAbstraction took 111866.46 ms. Allocated memory was 201.9 MB in the beginning and 296.2 MB in the end (delta: 94.4 MB). Free memory was 163.2 MB in the beginning and 188.8 MB in the end (delta: -25.6 MB). Peak memory consumption was 68.8 MB. Max. memory is 7.1 GB. [2020-07-21 11:41:21,056 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 314.40 ms. Allocated memory is still 137.9 MB. Free memory was 101.5 MB in the beginning and 91.4 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 132.55 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 91.4 MB in the beginning and 179.4 MB in the end (delta: -88.0 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 431.53 ms. Allocated memory is still 201.9 MB. Free memory was 179.4 MB in the beginning and 163.9 MB in the end (delta: 15.5 MB). Peak memory consumption was 15.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 111866.46 ms. Allocated memory was 201.9 MB in the beginning and 296.2 MB in the end (delta: 94.4 MB). Free memory was 163.2 MB in the beginning and 188.8 MB in the end (delta: -25.6 MB). Peak memory consumption was 68.8 MB. Max. memory is 7.1 GB. * 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 11:41:21,063 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:41:21,063 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: ((((unknown-#memory_int-unknown[matriz][matriz] <= maior && 1 == k) && 1 == N_COL) && 0 == j) && 1 == N_LIN) || (((0 == k && 1 == N_COL) && 0 == j) && 1 == N_LIN) - InvariantResult [Line: 19]: Loop Invariant [2020-07-21 11:41:21,064 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:41:21,064 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: ((((unknown-#memory_int-unknown[matriz][matriz] <= maior && 1 == N_COL) && 1 == k) && 1 == j) && 1 == N_LIN) || ((1 == N_COL && 0 == j) && 1 == N_LIN) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 24 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 111.1s, OverallIterations: 7, TraceHistogramMax: 3, AutomataDifference: 69.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 98 SDtfs, 110 SDslu, 232 SDs, 0 SdLazy, 335 SolverSat, 61 SolverUnsat, 6 SolverUnknown, 0 SolverNotchecked, 17.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 247 GetRequests, 177 SyntacticMatches, 5 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 66.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=35occurred in iteration=4, 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, 7 MinimizatonAttempts, 37 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 15 PreInvPairs, 22 NumberOfFragments, 87 HoareAnnotationTreeSize, 15 FomulaSimplifications, 54 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 8 FomulaSimplificationsInter, 344 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 39.5s InterpolantComputationTime, 132 NumberOfCodeBlocks, 132 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 214 ConstructedInterpolants, 0 QuantifiedInterpolants, 26178 SizeOfPredicates, 38 NumberOfNonLiveVariables, 540 ConjunctsInSsa, 65 ConjunctsInUnsatCore, 11 InterpolantComputations, 3 PerfectInterpolantSequences, 73/109 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...