/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loops/matrix-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 14:18:03,773 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 14:18:03,776 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 14:18:03,800 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 14:18:03,801 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 14:18:03,804 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 14:18:03,806 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 14:18:03,823 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 14:18:03,824 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 14:18:03,826 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 14:18:03,827 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 14:18:03,831 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 14:18:03,831 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 14:18:03,836 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 14:18:03,839 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 14:18:03,842 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 14:18:03,845 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 14:18:03,848 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 14:18:03,850 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 14:18:03,858 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 14:18:03,863 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 14:18:03,867 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 14:18:03,868 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 14:18:03,869 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 14:18:03,872 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 14:18:03,873 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 14:18:03,873 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 14:18:03,876 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 14:18:03,877 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 14:18:03,878 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 14:18:03,878 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 14:18:03,880 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 14:18:03,881 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 14:18:03,881 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 14:18:03,885 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 14:18:03,885 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 14:18:03,886 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 14:18:03,886 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 14:18:03,887 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 14:18:03,888 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 14:18:03,889 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 14:18:03,890 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 [2020-07-20 14:18:03,905 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 14:18:03,906 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 14:18:03,907 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 14:18:03,907 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 14:18:03,908 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 14:18:03,908 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 14:18:03,908 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 14:18:03,908 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 14:18:03,908 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 14:18:03,909 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 14:18:03,909 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 14:18:03,909 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 14:18:03,909 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 14:18:03,910 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 14:18:03,910 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 14:18:03,910 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 14:18:03,910 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 14:18:03,910 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 14:18:03,911 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 14:18:03,911 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 14:18:03,911 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 14:18:03,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 14:18:03,912 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 14:18:03,912 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 14:18:03,912 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 14:18:03,912 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 14:18:03,912 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:18:03,913 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 14:18:03,913 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 14:18:03,913 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_FUNCTIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-20 14:18:04,217 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 14:18:04,232 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 14:18:04,236 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 14:18:04,238 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 14:18:04,238 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 14:18:04,239 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/matrix-1.c [2020-07-20 14:18:04,309 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2122b00ad/64d28001114946ca8cd3d53741a9d663/FLAG9b9219435 [2020-07-20 14:18:04,775 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 14:18:04,776 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/matrix-1.c [2020-07-20 14:18:04,782 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2122b00ad/64d28001114946ca8cd3d53741a9d663/FLAG9b9219435 [2020-07-20 14:18:05,198 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2122b00ad/64d28001114946ca8cd3d53741a9d663 [2020-07-20 14:18:05,209 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 14:18:05,213 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 14:18:05,216 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 14:18:05,217 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 14:18:05,221 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 14:18:05,222 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:18:05" (1/1) ... [2020-07-20 14:18:05,225 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d00c3a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:18:05, skipping insertion in model container [2020-07-20 14:18:05,225 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:18:05" (1/1) ... [2020-07-20 14:18:05,235 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 14:18:05,255 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 14:18:05,476 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 14:18:05,480 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 14:18:05,502 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 14:18:05,610 INFO L208 MainTranslator]: Completed translation [2020-07-20 14:18:05,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:18:05 WrapperNode [2020-07-20 14:18:05,611 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 14:18:05,612 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 14:18:05,612 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 14:18:05,612 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 14:18:05,628 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:18:05" (1/1) ... [2020-07-20 14:18:05,629 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:18:05" (1/1) ... [2020-07-20 14:18:05,638 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:18:05" (1/1) ... [2020-07-20 14:18:05,639 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:18:05" (1/1) ... [2020-07-20 14:18:05,646 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:18:05" (1/1) ... [2020-07-20 14:18:05,652 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:18:05" (1/1) ... [2020-07-20 14:18:05,654 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:18:05" (1/1) ... [2020-07-20 14:18:05,656 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 14:18:05,657 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 14:18:05,657 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 14:18:05,657 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 14:18:05,658 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:18:05" (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 [2020-07-20 14:18:05,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 14:18:05,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 14:18:05,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-20 14:18:05,726 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 14:18:05,726 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 14:18:05,727 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-20 14:18:05,727 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 14:18:05,727 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 14:18:05,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 14:18:05,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 14:18:05,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 14:18:05,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 14:18:05,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 14:18:05,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 14:18:06,076 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 14:18:06,089 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-07-20 14:18:06,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 02:18:06 BoogieIcfgContainer [2020-07-20 14:18:06,096 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 14:18:06,098 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 14:18:06,098 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 14:18:06,102 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 14:18:06,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 02:18:05" (1/3) ... [2020-07-20 14:18:06,103 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e7fb5ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 02:18:06, skipping insertion in model container [2020-07-20 14:18:06,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:18:05" (2/3) ... [2020-07-20 14:18:06,105 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e7fb5ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 02:18:06, skipping insertion in model container [2020-07-20 14:18:06,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 02:18:06" (3/3) ... [2020-07-20 14:18:06,108 INFO L109 eAbstractionObserver]: Analyzing ICFG matrix-1.c [2020-07-20 14:18:06,117 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 14:18:06,124 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 14:18:06,138 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 14:18:06,160 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 14:18:06,161 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 14:18:06,161 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 14:18:06,161 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 14:18:06,161 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 14:18:06,161 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 14:18:06,162 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 14:18:06,162 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 14:18:06,180 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2020-07-20 14:18:06,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-07-20 14:18:06,185 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 14:18:06,186 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 14:18:06,187 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 14:18:06,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 14:18:06,193 INFO L82 PathProgramCache]: Analyzing trace with hash 1330517862, now seen corresponding path program 1 times [2020-07-20 14:18:06,202 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 14:18:06,203 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1429172220] [2020-07-20 14:18:06,204 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:18:06,303 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 14:18:06,304 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 14:18:06,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 14:18:06,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 14:18:06,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 14:18:06,333 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 14:18:06,335 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1429172220] [2020-07-20 14:18:06,336 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 14:18:06,336 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 14:18:06,337 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179329033] [2020-07-20 14:18:06,342 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 14:18:06,343 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 14:18:06,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 14:18:06,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 14:18:06,357 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 2 states. [2020-07-20 14:18:06,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 14:18:06,383 INFO L93 Difference]: Finished difference Result 42 states and 53 transitions. [2020-07-20 14:18:06,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 14:18:06,385 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-07-20 14:18:06,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 14:18:06,394 INFO L225 Difference]: With dead ends: 42 [2020-07-20 14:18:06,394 INFO L226 Difference]: Without dead ends: 17 [2020-07-20 14:18:06,398 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 [2020-07-20 14:18:06,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2020-07-20 14:18:06,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2020-07-20 14:18:06,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-07-20 14:18:06,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2020-07-20 14:18:06,443 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 12 [2020-07-20 14:18:06,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 14:18:06,443 INFO L479 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2020-07-20 14:18:06,443 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 14:18:06,444 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2020-07-20 14:18:06,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-07-20 14:18:06,444 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 14:18:06,445 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 14:18:06,645 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:18:06,647 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 14:18:06,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 14:18:06,648 INFO L82 PathProgramCache]: Analyzing trace with hash 672047389, now seen corresponding path program 1 times [2020-07-20 14:18:06,649 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 14:18:06,649 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1333880317] [2020-07-20 14:18:06,649 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:18:06,706 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-20 14:18:06,706 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 14:18:06,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 14:18:06,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 14:18:06,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 14:18:06,749 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 14:18:06,749 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1333880317] [2020-07-20 14:18:06,750 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 14:18:06,750 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 14:18:06,750 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576610374] [2020-07-20 14:18:06,752 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 14:18:06,752 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 14:18:06,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 14:18:06,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 14:18:06,753 INFO L87 Difference]: Start difference. First operand 17 states and 19 transitions. Second operand 3 states. [2020-07-20 14:18:06,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 14:18:06,804 INFO L93 Difference]: Finished difference Result 28 states and 32 transitions. [2020-07-20 14:18:06,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 14:18:06,806 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-07-20 14:18:06,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 14:18:06,807 INFO L225 Difference]: With dead ends: 28 [2020-07-20 14:18:06,807 INFO L226 Difference]: Without dead ends: 22 [2020-07-20 14:18:06,808 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 [2020-07-20 14:18:06,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2020-07-20 14:18:06,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 18. [2020-07-20 14:18:06,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-07-20 14:18:06,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions. [2020-07-20 14:18:06,815 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 20 transitions. Word has length 12 [2020-07-20 14:18:06,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 14:18:06,815 INFO L479 AbstractCegarLoop]: Abstraction has 18 states and 20 transitions. [2020-07-20 14:18:06,816 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 14:18:06,816 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2020-07-20 14:18:06,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-07-20 14:18:06,817 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 14:18:06,817 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 14:18:07,030 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:18:07,031 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 14:18:07,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 14:18:07,032 INFO L82 PathProgramCache]: Analyzing trace with hash -830834987, now seen corresponding path program 1 times [2020-07-20 14:18:07,032 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 14:18:07,033 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [748502025] [2020-07-20 14:18:07,033 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:18:07,071 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-20 14:18:07,071 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 14:18:07,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 14:18:07,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 14:18:07,127 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 14:18:07,127 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 14:18:07,128 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [748502025] [2020-07-20 14:18:07,128 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 14:18:07,128 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-20 14:18:07,129 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817500767] [2020-07-20 14:18:07,129 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-20 14:18:07,129 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 14:18:07,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-20 14:18:07,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-20 14:18:07,130 INFO L87 Difference]: Start difference. First operand 18 states and 20 transitions. Second operand 4 states. [2020-07-20 14:18:07,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 14:18:07,188 INFO L93 Difference]: Finished difference Result 32 states and 38 transitions. [2020-07-20 14:18:07,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-20 14:18:07,189 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2020-07-20 14:18:07,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 14:18:07,190 INFO L225 Difference]: With dead ends: 32 [2020-07-20 14:18:07,190 INFO L226 Difference]: Without dead ends: 21 [2020-07-20 14:18:07,190 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 [2020-07-20 14:18:07,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-07-20 14:18:07,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 19. [2020-07-20 14:18:07,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-07-20 14:18:07,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2020-07-20 14:18:07,196 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 15 [2020-07-20 14:18:07,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 14:18:07,197 INFO L479 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions. [2020-07-20 14:18:07,197 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-20 14:18:07,197 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2020-07-20 14:18:07,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-07-20 14:18:07,198 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 14:18:07,198 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 14:18:07,411 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:18:07,412 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 14:18:07,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 14:18:07,412 INFO L82 PathProgramCache]: Analyzing trace with hash -1529445450, now seen corresponding path program 1 times [2020-07-20 14:18:07,413 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 14:18:07,413 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1737461222] [2020-07-20 14:18:07,414 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:18:07,475 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 14:18:07,475 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 14:18:07,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 13 conjunts are in the unsatisfiable core [2020-07-20 14:18:07,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 14:18:07,576 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-07-20 14:18:07,577 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:07,832 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 29 [2020-07-20 14:18:07,836 INFO L624 ElimStorePlain]: treesize reduction 395, result has 8.4 percent of original size [2020-07-20 14:18:07,858 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 [2020-07-20 14:18:07,858 INFO L544 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:07,874 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 14:18:07,874 INFO L512 ElimStorePlain]: Eliminatee v_prenex_13 vanished before elimination [2020-07-20 14:18:07,875 INFO L512 ElimStorePlain]: Eliminatee |v_#memory_int_7| vanished before elimination [2020-07-20 14:18:07,875 INFO L512 ElimStorePlain]: Eliminatee v_prenex_3 vanished before elimination [2020-07-20 14:18:07,875 INFO L512 ElimStorePlain]: Eliminatee v_prenex_11 vanished before elimination [2020-07-20 14:18:07,875 INFO L512 ElimStorePlain]: Eliminatee v_prenex_5 vanished before elimination [2020-07-20 14:18:07,875 INFO L512 ElimStorePlain]: Eliminatee v_prenex_7 vanished before elimination [2020-07-20 14:18:07,876 INFO L544 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 8 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-20 14:18:07,876 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 16 variables, input treesize:497, output treesize:10 [2020-07-20 14:18:07,904 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 [2020-07-20 14:18:07,907 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:07,909 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 14:18:07,909 INFO L544 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-20 14:18:07,910 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:15, output treesize:3 [2020-07-20 14:18:07,922 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 14:18:07,955 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 14:18:07,956 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 14:18:07,987 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:08,004 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:08,006 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:08,007 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:08,010 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:08,014 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:08,016 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:08,019 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:08,595 WARN L193 SmtUtils]: Spent 500.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-07-20 14:18:08,614 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:08,617 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:08,620 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:08,622 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:08,624 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:08,626 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:08,631 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:08,637 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:08,639 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:08,643 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:08,652 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:08,654 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:08,655 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:08,660 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:08,666 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:08,667 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:08,671 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:08,679 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:08,681 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:08,682 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:08,683 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:08,691 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:08,704 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:08,706 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:08,718 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:08,731 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:08,735 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:08,738 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:08,749 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:08,757 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:08,758 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:08,772 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:08,796 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:08,798 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:08,799 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:08,801 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:08,802 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:08,805 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:08,809 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:08,810 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:08,813 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:08,818 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:08,819 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:08,820 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:08,823 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:08,826 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:08,827 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:08,830 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:08,844 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:08,845 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:08,846 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:08,847 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:08,850 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:08,853 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:08,854 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:08,856 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:08,860 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:08,861 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:08,862 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:08,865 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:08,868 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:08,869 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:08,872 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:08,964 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:08,965 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:08,985 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:08,986 INFO L544 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:09,007 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:09,007 INFO L544 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:09,028 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:09,029 INFO L544 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:09,050 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:09,051 INFO L544 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:09,074 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:09,074 INFO L544 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:09,093 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:09,094 INFO L544 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:09,113 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:09,114 INFO L544 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:09,135 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 [2020-07-20 14:18:09,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-20 14:18:09,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-20 14:18:09,217 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 [2020-07-20 14:18:09,219 INFO L544 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:09,225 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 14:18:09,226 INFO L544 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-07-20 14:18:09,241 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:09,242 INFO L544 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:09,256 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:09,257 INFO L544 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:09,274 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:09,275 INFO L544 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:09,295 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:09,296 INFO L544 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:09,314 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 [2020-07-20 14:18:09,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-20 14:18:09,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-20 14:18:09,376 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 [2020-07-20 14:18:09,377 INFO L544 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:09,382 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 14:18:09,382 INFO L544 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-07-20 14:18:09,400 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:09,401 INFO L544 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:09,421 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:09,421 INFO L544 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:09,441 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:09,442 INFO L544 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:09,460 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:09,460 INFO L544 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:09,479 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:09,480 INFO L544 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:09,497 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:09,497 INFO L544 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:09,514 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:09,514 INFO L544 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:09,535 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:09,536 INFO L544 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:09,552 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:09,553 INFO L544 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:09,569 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:09,570 INFO L544 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:09,588 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:09,589 INFO L544 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:09,604 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:09,604 INFO L544 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:09,621 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:09,622 INFO L544 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:09,653 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:09,653 INFO L544 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:09,668 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:09,668 INFO L544 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:09,684 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:09,684 INFO L544 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:09,704 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:09,705 INFO L544 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:09,722 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 [2020-07-20 14:18:09,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-20 14:18:09,736 INFO L173 IndexEqualityManager]: detected equality via solver [2020-07-20 14:18:09,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-20 14:18:09,757 INFO L173 IndexEqualityManager]: detected equality via solver [2020-07-20 14:18:09,768 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 [2020-07-20 14:18:09,768 INFO L544 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:09,770 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 14:18:09,771 INFO L544 ElimStorePlain]: Start of recursive call 35: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-07-20 14:18:09,785 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:09,785 INFO L544 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:09,800 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:09,801 INFO L544 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:09,816 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:09,816 INFO L544 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:09,831 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:09,831 INFO L544 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:09,846 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:09,847 INFO L544 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:09,862 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:09,862 INFO L544 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:09,878 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:09,878 INFO L544 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:09,893 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:09,893 INFO L544 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:09,907 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:09,907 INFO L544 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:09,921 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:09,921 INFO L544 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:09,935 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:09,935 INFO L544 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:09,948 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:09,949 INFO L544 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:09,963 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:09,964 INFO L544 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:09,976 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:09,977 INFO L544 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:09,989 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:09,990 INFO L544 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:10,004 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:10,005 INFO L544 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:10,057 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 [2020-07-20 14:18:10,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-20 14:18:10,067 INFO L173 IndexEqualityManager]: detected equality via solver [2020-07-20 14:18:10,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-20 14:18:10,083 INFO L173 IndexEqualityManager]: detected equality via solver [2020-07-20 14:18:10,091 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 [2020-07-20 14:18:10,092 INFO L544 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:10,095 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 14:18:10,096 INFO L544 ElimStorePlain]: Start of recursive call 53: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-07-20 14:18:10,106 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:10,106 INFO L544 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:10,117 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:10,117 INFO L544 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:10,128 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:10,128 INFO L544 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:10,140 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:10,140 INFO L544 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:10,150 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:10,150 INFO L544 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:10,158 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:10,158 INFO L544 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:10,169 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 [2020-07-20 14:18:10,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-20 14:18:10,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-20 14:18:10,212 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 [2020-07-20 14:18:10,213 INFO L544 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:10,225 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 14:18:10,226 INFO L544 ElimStorePlain]: Start of recursive call 61: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-07-20 14:18:10,234 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:10,234 INFO L544 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:10,248 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:10,248 INFO L544 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:10,261 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:10,262 INFO L544 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:10,276 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 [2020-07-20 14:18:10,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-20 14:18:10,297 INFO L173 IndexEqualityManager]: detected equality via solver [2020-07-20 14:18:10,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-20 14:18:11,030 INFO L173 IndexEqualityManager]: detected equality via solver [2020-07-20 14:18:11,037 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 [2020-07-20 14:18:11,038 INFO L544 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:11,040 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 14:18:11,041 INFO L544 ElimStorePlain]: Start of recursive call 66: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-07-20 14:18:11,055 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:11,055 INFO L544 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:11,067 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:11,068 INFO L544 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:11,074 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:11,075 INFO L544 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:11,086 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:11,087 INFO L544 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:12,111 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 73 DAG size of output: 60 [2020-07-20 14:18:12,113 INFO L624 ElimStorePlain]: treesize reduction 202, result has 33.8 percent of original size [2020-07-20 14:18:12,122 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. [2020-07-20 14:18:12,123 INFO L244 ElimStorePlain]: Needed 71 recursive calls to eliminate 4 variables, input treesize:7169, output treesize:103 [2020-07-20 14:18:12,403 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-07-20 14:18:12,566 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 14:18:12,567 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1737461222] [2020-07-20 14:18:12,567 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 14:18:12,567 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 11 [2020-07-20 14:18:12,568 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816926462] [2020-07-20 14:18:12,568 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-20 14:18:12,568 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 14:18:12,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-20 14:18:12,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-07-20 14:18:12,569 INFO L87 Difference]: Start difference. First operand 19 states and 21 transitions. Second operand 11 states. [2020-07-20 14:18:12,810 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 43 [2020-07-20 14:18:12,969 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 45 [2020-07-20 14:18:13,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 14:18:13,433 INFO L93 Difference]: Finished difference Result 38 states and 44 transitions. [2020-07-20 14:18:13,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-20 14:18:13,434 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 18 [2020-07-20 14:18:13,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 14:18:13,435 INFO L225 Difference]: With dead ends: 38 [2020-07-20 14:18:13,435 INFO L226 Difference]: Without dead ends: 32 [2020-07-20 14:18:13,436 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 23 SyntacticMatches, 3 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2020-07-20 14:18:13,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-07-20 14:18:13,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 27. [2020-07-20 14:18:13,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-07-20 14:18:13,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 32 transitions. [2020-07-20 14:18:13,443 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 32 transitions. Word has length 18 [2020-07-20 14:18:13,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 14:18:13,443 INFO L479 AbstractCegarLoop]: Abstraction has 27 states and 32 transitions. [2020-07-20 14:18:13,443 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-20 14:18:13,443 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2020-07-20 14:18:13,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-07-20 14:18:13,444 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 14:18:13,444 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 14:18:13,655 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:18:13,655 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 14:18:13,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 14:18:13,656 INFO L82 PathProgramCache]: Analyzing trace with hash -1922472460, now seen corresponding path program 1 times [2020-07-20 14:18:13,656 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 14:18:13,657 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [609748101] [2020-07-20 14:18:13,657 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:18:13,701 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 14:18:13,702 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 14:18:13,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-20 14:18:13,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 14:18:13,735 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 [2020-07-20 14:18:13,735 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:13,740 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 14:18:13,741 INFO L544 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-20 14:18:13,741 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:19, output treesize:7 [2020-07-20 14:18:13,757 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 [2020-07-20 14:18:13,758 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:13,760 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 14:18:13,760 INFO L544 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-20 14:18:13,761 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:17, output treesize:5 [2020-07-20 14:18:13,768 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 14:18:13,803 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 14:18:13,803 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 14:18:13,822 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:13,893 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:13,894 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:13,896 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:13,897 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:13,898 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:13,899 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:13,901 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:13,903 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:13,904 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:13,905 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:13,905 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:13,906 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:13,908 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:13,910 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:13,912 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:13,913 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:13,919 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:13,921 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:13,922 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:13,923 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:13,924 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:13,926 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:13,927 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:13,928 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:13,931 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:13,932 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:13,934 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:13,934 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:13,937 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:13,939 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:13,939 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:13,941 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:13,943 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:13,944 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:13,945 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:13,946 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:13,948 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:13,949 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:13,950 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:13,953 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:13,954 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:13,954 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:13,955 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:13,956 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:13,957 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:13,959 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:13,960 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:13,961 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:13,963 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:13,964 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:13,965 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:13,966 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:13,968 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:13,968 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:13,970 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:13,973 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:13,974 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:13,975 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:13,977 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:13,979 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:13,981 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:13,981 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:13,983 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:13,985 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:13,986 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:13,986 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:13,988 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:13,989 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:13,991 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:13,993 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:18:14,072 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:14,073 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:14,087 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:14,087 INFO L544 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:14,099 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:14,099 INFO L544 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:14,113 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:14,114 INFO L544 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:14,130 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:14,130 INFO L544 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:14,147 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:14,147 INFO L544 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:14,164 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:14,164 INFO L544 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:14,184 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:14,184 INFO L544 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:14,198 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:14,199 INFO L544 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:14,213 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:14,214 INFO L544 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:14,229 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:14,229 INFO L544 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:14,246 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:14,246 INFO L544 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:14,263 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:14,263 INFO L544 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:14,278 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:14,279 INFO L544 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:14,293 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:14,294 INFO L544 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:14,308 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:14,308 INFO L544 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:14,323 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:14,324 INFO L544 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:14,339 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:14,340 INFO L544 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:14,357 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:14,357 INFO L544 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:14,373 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:14,374 INFO L544 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:14,390 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:14,390 INFO L544 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:14,429 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:14,430 INFO L544 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:14,443 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:14,443 INFO L544 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:14,455 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:14,455 INFO L544 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:14,469 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:14,469 INFO L544 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:14,482 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:14,482 INFO L544 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:14,493 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:14,493 INFO L544 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:14,503 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:14,504 INFO L544 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:14,514 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:14,514 INFO L544 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:14,523 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:14,523 INFO L544 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:14,537 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:14,538 INFO L544 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:14,553 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 [2020-07-20 14:18:14,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-20 14:18:14,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-20 14:18:14,582 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 [2020-07-20 14:18:14,582 INFO L544 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:14,586 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 14:18:14,587 INFO L544 ElimStorePlain]: Start of recursive call 33: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-07-20 14:18:14,596 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:14,596 INFO L544 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:14,617 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:14,617 INFO L544 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:14,626 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:14,627 INFO L544 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:14,646 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:14,647 INFO L544 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:14,658 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:14,659 INFO L544 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:14,669 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:14,670 INFO L544 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:14,682 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:14,683 INFO L544 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:14,695 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:14,696 INFO L544 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:14,713 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 [2020-07-20 14:18:14,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-20 14:18:14,850 INFO L173 IndexEqualityManager]: detected equality via solver [2020-07-20 14:18:14,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-20 14:18:15,009 INFO L173 IndexEqualityManager]: detected equality via solver [2020-07-20 14:18:15,019 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 [2020-07-20 14:18:15,020 INFO L544 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:15,024 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 14:18:15,025 INFO L544 ElimStorePlain]: Start of recursive call 43: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-07-20 14:18:15,040 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:15,040 INFO L544 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:15,050 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:15,050 INFO L544 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:15,064 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:15,064 INFO L544 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:15,075 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:15,076 INFO L544 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:15,088 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:15,088 INFO L544 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:15,099 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:15,099 INFO L544 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:15,109 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:15,109 INFO L544 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:15,125 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 [2020-07-20 14:18:15,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-20 14:18:15,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-20 14:18:15,187 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 [2020-07-20 14:18:15,188 INFO L544 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:15,199 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 14:18:15,199 INFO L544 ElimStorePlain]: Start of recursive call 52: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-07-20 14:18:15,213 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:15,213 INFO L544 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:15,224 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:15,224 INFO L544 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:15,235 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:15,236 INFO L544 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:15,248 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:15,248 INFO L544 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:15,268 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:15,269 INFO L544 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:15,285 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 [2020-07-20 14:18:15,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-20 14:18:15,297 INFO L173 IndexEqualityManager]: detected equality via solver [2020-07-20 14:18:15,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-20 14:18:15,311 INFO L173 IndexEqualityManager]: detected equality via solver [2020-07-20 14:18:15,319 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 [2020-07-20 14:18:15,319 INFO L544 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:15,321 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 14:18:15,322 INFO L544 ElimStorePlain]: Start of recursive call 59: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-07-20 14:18:15,330 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:15,330 INFO L544 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:15,343 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 [2020-07-20 14:18:15,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-20 14:18:15,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-20 14:18:15,486 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 [2020-07-20 14:18:15,487 INFO L544 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:15,495 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 14:18:15,495 INFO L544 ElimStorePlain]: Start of recursive call 62: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-07-20 14:18:15,503 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:15,504 INFO L544 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:15,514 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:15,515 INFO L544 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:15,532 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 [2020-07-20 14:18:15,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-20 14:18:15,549 INFO L173 IndexEqualityManager]: detected equality via solver [2020-07-20 14:18:15,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-20 14:18:15,560 INFO L173 IndexEqualityManager]: detected equality via solver [2020-07-20 14:18:15,567 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 [2020-07-20 14:18:15,568 INFO L544 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:15,570 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 14:18:15,570 INFO L544 ElimStorePlain]: Start of recursive call 66: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-07-20 14:18:15,578 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:15,578 INFO L544 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:15,586 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:15,586 INFO L544 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:15,595 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:15,595 INFO L544 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:15,601 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 14:18:15,602 INFO L544 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2020-07-20 14:18:19,834 WARN L193 SmtUtils]: Spent 4.23 s on a formula simplification. DAG size of input: 73 DAG size of output: 52 [2020-07-20 14:18:19,835 INFO L624 ElimStorePlain]: treesize reduction 201, result has 36.0 percent of original size [2020-07-20 14:18:19,837 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 4 xjuncts. [2020-07-20 14:18:19,838 INFO L244 ElimStorePlain]: Needed 71 recursive calls to eliminate 4 variables, input treesize:7265, output treesize:113 [2020-07-20 14:18:23,205 WARN L193 SmtUtils]: Spent 3.17 s on a formula simplification that was a NOOP. DAG size: 53 [2020-07-20 14:18:23,830 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 17 [2020-07-20 14:18:23,843 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 14:18:23,844 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [609748101] [2020-07-20 14:18:23,844 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 14:18:23,845 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 14 [2020-07-20 14:18:23,845 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642306505] [2020-07-20 14:18:23,845 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-20 14:18:23,846 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 14:18:23,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-20 14:18:23,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2020-07-20 14:18:23,846 INFO L87 Difference]: Start difference. First operand 27 states and 32 transitions. Second operand 14 states. [2020-07-20 14:18:25,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 14:18:25,704 INFO L93 Difference]: Finished difference Result 43 states and 50 transitions. [2020-07-20 14:18:25,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-20 14:18:25,705 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 18 [2020-07-20 14:18:25,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 14:18:25,711 INFO L225 Difference]: With dead ends: 43 [2020-07-20 14:18:25,712 INFO L226 Difference]: Without dead ends: 37 [2020-07-20 14:18:25,712 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 21 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=92, Invalid=370, Unknown=0, NotChecked=0, Total=462 [2020-07-20 14:18:25,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-07-20 14:18:25,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 25. [2020-07-20 14:18:25,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-07-20 14:18:25,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2020-07-20 14:18:25,729 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 18 [2020-07-20 14:18:25,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 14:18:25,729 INFO L479 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions. [2020-07-20 14:18:25,729 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-20 14:18:25,729 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2020-07-20 14:18:25,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-20 14:18:25,730 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 14:18:25,731 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 14:18:25,932 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:18:25,933 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 14:18:25,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 14:18:25,933 INFO L82 PathProgramCache]: Analyzing trace with hash 239488911, now seen corresponding path program 2 times [2020-07-20 14:18:25,934 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 14:18:25,934 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [15365022] [2020-07-20 14:18:25,935 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2020-07-20 14:18:25,986 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 14:18:25,987 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 14:18:25,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 14:18:25,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 14:18:26,019 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-07-20 14:18:26,019 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 14:18:26,070 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-07-20 14:18:26,071 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [15365022] [2020-07-20 14:18:26,071 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 14:18:26,072 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2020-07-20 14:18:26,072 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934592128] [2020-07-20 14:18:26,072 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 14:18:26,073 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 14:18:26,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 14:18:26,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-20 14:18:26,073 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand 6 states. [2020-07-20 14:18:26,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 14:18:26,108 INFO L93 Difference]: Finished difference Result 25 states and 29 transitions. [2020-07-20 14:18:26,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-20 14:18:26,110 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2020-07-20 14:18:26,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 14:18:26,110 INFO L225 Difference]: With dead ends: 25 [2020-07-20 14:18:26,110 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 14:18:26,111 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-20 14:18:26,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 14:18:26,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 14:18:26,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 14:18:26,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 14:18:26,112 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2020-07-20 14:18:26,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 14:18:26,112 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 14:18:26,112 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 14:18:26,113 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 14:18:26,113 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 14:18:26,319 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:18:26,322 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 14:18:26,594 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 14:18:26,594 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-20 14:18:26,594 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 14:18:26,594 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 14:18:26,594 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-20 14:18:26,594 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 14:18:26,594 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 14:18:26,594 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 11 31) no Hoare annotation was computed. [2020-07-20 14:18:26,595 INFO L268 CegarLoopResult]: For program point L19-2(lines 19 26) no Hoare annotation was computed. [2020-07-20 14:18:26,595 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_~j~0) .cse1) (and .cse0 (= 0 main_~j~0) .cse1))) [2020-07-20 14:18:26,595 INFO L268 CegarLoopResult]: For program point L19-4(lines 19 26) no Hoare annotation was computed. [2020-07-20 14:18:26,595 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 11 31) no Hoare annotation was computed. [2020-07-20 14:18:26,595 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 11 31) the Hoare annotation is: true [2020-07-20 14:18:26,595 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)) [2020-07-20 14:18:26,595 INFO L268 CegarLoopResult]: For program point L28-1(line 28) no Hoare annotation was computed. [2020-07-20 14:18:26,595 INFO L268 CegarLoopResult]: For program point L24(lines 24 25) no Hoare annotation was computed. [2020-07-20 14:18:26,595 INFO L268 CegarLoopResult]: For program point L20-2(lines 20 26) no Hoare annotation was computed. [2020-07-20 14:18:26,596 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) .cse0 .cse1 .cse2) (and (= 0 main_~k~0) .cse0 .cse1 .cse2))) [2020-07-20 14:18:26,596 INFO L271 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true [2020-07-20 14:18:26,596 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed. [2020-07-20 14:18:26,596 INFO L268 CegarLoopResult]: For program point L5(line 5) no Hoare annotation was computed. [2020-07-20 14:18:26,596 INFO L268 CegarLoopResult]: For program point L4(lines 4 6) no Hoare annotation was computed. [2020-07-20 14:18:26,597 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2020-07-20 14:18:26,597 INFO L268 CegarLoopResult]: For program point L4-2(lines 3 8) no Hoare annotation was computed. [2020-07-20 14:18:26,609 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 14:18:26,614 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 14:18:26,616 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 14:18:26,617 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 14:18:26,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 02:18:26 BoogieIcfgContainer [2020-07-20 14:18:26,620 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 14:18:26,621 INFO L168 Benchmark]: Toolchain (without parser) took 21410.57 ms. Allocated memory was 146.3 MB in the beginning and 294.1 MB in the end (delta: 147.8 MB). Free memory was 104.2 MB in the beginning and 191.8 MB in the end (delta: -87.6 MB). Peak memory consumption was 60.2 MB. Max. memory is 7.1 GB. [2020-07-20 14:18:26,622 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 146.3 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-20 14:18:26,623 INFO L168 Benchmark]: CACSL2BoogieTranslator took 395.04 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 103.9 MB in the beginning and 182.7 MB in the end (delta: -78.7 MB). Peak memory consumption was 19.5 MB. Max. memory is 7.1 GB. [2020-07-20 14:18:26,624 INFO L168 Benchmark]: Boogie Preprocessor took 44.83 ms. Allocated memory is still 203.9 MB. Free memory was 182.7 MB in the beginning and 180.3 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2020-07-20 14:18:26,624 INFO L168 Benchmark]: RCFGBuilder took 439.49 ms. Allocated memory is still 203.9 MB. Free memory was 180.3 MB in the beginning and 164.9 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 7.1 GB. [2020-07-20 14:18:26,625 INFO L168 Benchmark]: TraceAbstraction took 20522.34 ms. Allocated memory was 203.9 MB in the beginning and 294.1 MB in the end (delta: 90.2 MB). Free memory was 164.9 MB in the beginning and 191.8 MB in the end (delta: -26.8 MB). Peak memory consumption was 63.3 MB. Max. memory is 7.1 GB. [2020-07-20 14:18:26,628 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 146.3 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 395.04 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 103.9 MB in the beginning and 182.7 MB in the end (delta: -78.7 MB). Peak memory consumption was 19.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.83 ms. Allocated memory is still 203.9 MB. Free memory was 182.7 MB in the beginning and 180.3 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 439.49 ms. Allocated memory is still 203.9 MB. Free memory was 180.3 MB in the beginning and 164.9 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 20522.34 ms. Allocated memory was 203.9 MB in the beginning and 294.1 MB in the end (delta: 90.2 MB). Free memory was 164.9 MB in the beginning and 191.8 MB in the end (delta: -26.8 MB). Peak memory consumption was 63.3 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 [2020-07-20 14:18:26,636 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 14:18:26,636 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: (((unknown-#memory_int-unknown[matriz][matriz] <= maior && 1 == N_COL) && 0 == j) && 1 == N_LIN) || (((0 == k && 1 == N_COL) && 0 == j) && 1 == N_LIN) - InvariantResult [Line: 19]: Loop Invariant [2020-07-20 14:18:26,637 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 14:18:26,637 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: (((unknown-#memory_int-unknown[matriz][matriz] <= maior && 1 == N_COL) && 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: 20.1s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 87 SDtfs, 59 SDslu, 220 SDs, 0 SdLazy, 265 SolverSat, 28 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 168 GetRequests, 120 SyntacticMatches, 5 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 5.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred 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, 6 MinimizatonAttempts, 23 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 13 PreInvPairs, 19 NumberOfFragments, 81 HoareAnnotationTreeSize, 13 FomulaSimplifications, 63 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 56 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 15.4s InterpolantComputationTime, 99 NumberOfCodeBlocks, 70 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 150 ConstructedInterpolants, 0 QuantifiedInterpolants, 18643 SizeOfPredicates, 34 NumberOfNonLiveVariables, 336 ConjunctsInSsa, 50 ConjunctsInUnsatCore, 9 InterpolantComputations, 3 PerfectInterpolantSequences, 23/33 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...