/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks NOT_INCREMENTALLY -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loops/matrix-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 11:47:48,888 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 11:47:48,890 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 11:47:48,903 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 11:47:48,904 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 11:47:48,905 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 11:47:48,908 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 11:47:48,917 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 11:47:48,921 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 11:47:48,922 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 11:47:48,923 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 11:47:48,925 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 11:47:48,925 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 11:47:48,926 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 11:47:48,929 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 11:47:48,931 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 11:47:48,932 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 11:47:48,937 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 11:47:48,938 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 11:47:48,943 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 11:47:48,944 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 11:47:48,949 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 11:47:48,950 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 11:47:48,951 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 11:47:48,956 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-20 11:47:48,969 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 11:47:48,970 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 11:47:48,972 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 11:47:48,972 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 11:47:48,998 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 11:47:48,999 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 11:47:49,000 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 11:47:49,000 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 11:47:49,000 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 11:47:49,001 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 11:47:49,001 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 11:47:49,001 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 11:47:49,001 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 11:47:49,001 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 11:47:49,002 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 11:47:49,002 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 11:47:49,002 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 11:47:49,002 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 11:47:49,002 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 11:47:49,003 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 11:47:49,003 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 11:47:49,003 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 11:47:49,003 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 11:47:49,004 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 11:47:49,004 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 11:47:49,004 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 11:47:49,004 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 11:47:49,004 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 11:47:49,005 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 11:47:49,005 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 11:47:49,005 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:47:49,005 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 11:47:49,005 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 11:47:49,006 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> NOT_INCREMENTALLY [2020-07-20 11:47:49,291 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 11:47:49,305 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 11:47:49,310 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 11:47:49,311 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 11:47:49,312 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 11:47:49,313 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/matrix-1.c [2020-07-20 11:47:49,377 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/163784a86/b44afc8903ce4f8f89496b140779d717/FLAG41321fb31 [2020-07-20 11:47:49,849 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 11:47:49,856 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/matrix-1.c [2020-07-20 11:47:49,863 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/163784a86/b44afc8903ce4f8f89496b140779d717/FLAG41321fb31 [2020-07-20 11:47:50,215 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/163784a86/b44afc8903ce4f8f89496b140779d717 [2020-07-20 11:47:50,226 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 11:47:50,230 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 11:47:50,231 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 11:47:50,231 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 11:47:50,235 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 11:47:50,236 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 11:47:50" (1/1) ... [2020-07-20 11:47:50,240 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61860a50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:47:50, skipping insertion in model container [2020-07-20 11:47:50,240 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 11:47:50" (1/1) ... [2020-07-20 11:47:50,249 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 11:47:50,268 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 11:47:50,450 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 11:47:50,454 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 11:47:50,477 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 11:47:50,496 INFO L208 MainTranslator]: Completed translation [2020-07-20 11:47:50,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:47:50 WrapperNode [2020-07-20 11:47:50,497 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 11:47:50,498 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 11:47:50,498 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 11:47:50,498 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 11:47:50,603 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:47:50" (1/1) ... [2020-07-20 11:47:50,603 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:47:50" (1/1) ... [2020-07-20 11:47:50,612 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:47:50" (1/1) ... [2020-07-20 11:47:50,613 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:47:50" (1/1) ... [2020-07-20 11:47:50,621 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:47:50" (1/1) ... [2020-07-20 11:47:50,627 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:47:50" (1/1) ... [2020-07-20 11:47:50,629 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:47:50" (1/1) ... [2020-07-20 11:47:50,631 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 11:47:50,632 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 11:47:50,632 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 11:47:50,632 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 11:47:50,633 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:47:50" (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 11:47:50,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 11:47:50,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 11:47:50,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-20 11:47:50,712 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 11:47:50,712 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 11:47:50,712 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-20 11:47:50,713 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 11:47:50,713 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 11:47:50,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 11:47:50,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 11:47:50,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 11:47:50,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 11:47:50,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 11:47:50,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 11:47:50,990 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 11:47:50,991 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-07-20 11:47:50,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 11:47:50 BoogieIcfgContainer [2020-07-20 11:47:50,995 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 11:47:50,996 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 11:47:50,996 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 11:47:51,000 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 11:47:51,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 11:47:50" (1/3) ... [2020-07-20 11:47:51,001 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@339047db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 11:47:51, skipping insertion in model container [2020-07-20 11:47:51,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:47:50" (2/3) ... [2020-07-20 11:47:51,002 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@339047db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 11:47:51, skipping insertion in model container [2020-07-20 11:47:51,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 11:47:50" (3/3) ... [2020-07-20 11:47:51,004 INFO L109 eAbstractionObserver]: Analyzing ICFG matrix-1.c [2020-07-20 11:47:51,015 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 11:47:51,022 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 11:47:51,039 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 11:47:51,065 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 11:47:51,066 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 11:47:51,066 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 11:47:51,066 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 11:47:51,066 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 11:47:51,066 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 11:47:51,067 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 11:47:51,067 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 11:47:51,092 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2020-07-20 11:47:51,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-07-20 11:47:51,098 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:47:51,099 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 11:47:51,099 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:47:51,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:47:51,105 INFO L82 PathProgramCache]: Analyzing trace with hash 1330517862, now seen corresponding path program 1 times [2020-07-20 11:47:51,114 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:47:51,115 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [890558155] [2020-07-20 11:47:51,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:47:51,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:47:51,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 11:47:51,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:47:51,240 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 11:47:51,240 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 11:47:51,242 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [890558155] [2020-07-20 11:47:51,243 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 11:47:51,243 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 11:47:51,244 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159660921] [2020-07-20 11:47:51,250 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 11:47:51,251 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:47:51,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 11:47:51,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 11:47:51,269 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 2 states. [2020-07-20 11:47:51,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:47:51,298 INFO L93 Difference]: Finished difference Result 42 states and 53 transitions. [2020-07-20 11:47:51,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 11:47:51,300 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-07-20 11:47:51,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:47:51,310 INFO L225 Difference]: With dead ends: 42 [2020-07-20 11:47:51,310 INFO L226 Difference]: Without dead ends: 17 [2020-07-20 11:47:51,314 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 11:47:51,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2020-07-20 11:47:51,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2020-07-20 11:47:51,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-07-20 11:47:51,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2020-07-20 11:47:51,353 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 12 [2020-07-20 11:47:51,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:47:51,353 INFO L479 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2020-07-20 11:47:51,353 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 11:47:51,354 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2020-07-20 11:47:51,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-07-20 11:47:51,355 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:47:51,355 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 11:47:51,569 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:47:51,570 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:47:51,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:47:51,571 INFO L82 PathProgramCache]: Analyzing trace with hash 672047389, now seen corresponding path program 1 times [2020-07-20 11:47:51,572 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:47:51,572 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1459153784] [2020-07-20 11:47:51,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:47:51,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:47:51,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 11:47:51,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:47:51,675 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 11:47:51,676 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 11:47:51,676 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1459153784] [2020-07-20 11:47:51,677 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 11:47:51,677 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 11:47:51,677 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89017883] [2020-07-20 11:47:51,679 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 11:47:51,680 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:47:51,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 11:47:51,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 11:47:51,681 INFO L87 Difference]: Start difference. First operand 17 states and 19 transitions. Second operand 3 states. [2020-07-20 11:47:51,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:47:51,723 INFO L93 Difference]: Finished difference Result 28 states and 32 transitions. [2020-07-20 11:47:51,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 11:47:51,724 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-07-20 11:47:51,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:47:51,725 INFO L225 Difference]: With dead ends: 28 [2020-07-20 11:47:51,725 INFO L226 Difference]: Without dead ends: 22 [2020-07-20 11:47:51,726 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 11:47:51,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2020-07-20 11:47:51,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 18. [2020-07-20 11:47:51,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-07-20 11:47:51,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions. [2020-07-20 11:47:51,733 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 20 transitions. Word has length 12 [2020-07-20 11:47:51,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:47:51,734 INFO L479 AbstractCegarLoop]: Abstraction has 18 states and 20 transitions. [2020-07-20 11:47:51,734 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 11:47:51,734 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2020-07-20 11:47:51,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-07-20 11:47:51,735 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:47:51,735 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 11:47:51,936 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:47:51,937 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:47:51,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:47:51,938 INFO L82 PathProgramCache]: Analyzing trace with hash -830834987, now seen corresponding path program 1 times [2020-07-20 11:47:51,938 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:47:51,939 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [784933846] [2020-07-20 11:47:51,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:47:51,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:47:51,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 11:47:51,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:47:52,035 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 11:47:52,036 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 11:47:52,036 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [784933846] [2020-07-20 11:47:52,037 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 11:47:52,037 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-20 11:47:52,037 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983583652] [2020-07-20 11:47:52,038 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-20 11:47:52,038 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:47:52,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-20 11:47:52,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-20 11:47:52,039 INFO L87 Difference]: Start difference. First operand 18 states and 20 transitions. Second operand 4 states. [2020-07-20 11:47:52,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:47:52,100 INFO L93 Difference]: Finished difference Result 32 states and 38 transitions. [2020-07-20 11:47:52,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-20 11:47:52,101 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2020-07-20 11:47:52,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:47:52,102 INFO L225 Difference]: With dead ends: 32 [2020-07-20 11:47:52,102 INFO L226 Difference]: Without dead ends: 21 [2020-07-20 11:47:52,103 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 11:47:52,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-07-20 11:47:52,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 19. [2020-07-20 11:47:52,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-07-20 11:47:52,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2020-07-20 11:47:52,109 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 15 [2020-07-20 11:47:52,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:47:52,109 INFO L479 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions. [2020-07-20 11:47:52,109 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-20 11:47:52,110 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2020-07-20 11:47:52,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-07-20 11:47:52,110 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:47:52,111 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 11:47:52,325 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:47:52,326 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:47:52,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:47:52,328 INFO L82 PathProgramCache]: Analyzing trace with hash -1529445450, now seen corresponding path program 1 times [2020-07-20 11:47:52,328 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:47:52,329 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [747021425] [2020-07-20 11:47:52,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:47:52,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:47:52,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 16 conjunts are in the unsatisfiable core [2020-07-20 11:47:52,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:47:52,501 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-07-20 11:47:52,502 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-20 11:47:52,997 WARN L193 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 29 [2020-07-20 11:47:53,000 INFO L624 ElimStorePlain]: treesize reduction 397, result has 8.3 percent of original size [2020-07-20 11:47:53,000 INFO L512 ElimStorePlain]: Eliminatee v_prenex_13 vanished before elimination [2020-07-20 11:47:53,032 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 11:47:53,033 INFO L544 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-07-20 11:47:53,045 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 11:47:53,045 INFO L512 ElimStorePlain]: Eliminatee |v_#memory_int_7| vanished before elimination [2020-07-20 11:47:53,046 INFO L512 ElimStorePlain]: Eliminatee v_prenex_11 vanished before elimination [2020-07-20 11:47:53,046 INFO L512 ElimStorePlain]: Eliminatee v_prenex_3 vanished before elimination [2020-07-20 11:47:53,046 INFO L512 ElimStorePlain]: Eliminatee v_prenex_5 vanished before elimination [2020-07-20 11:47:53,046 INFO L512 ElimStorePlain]: Eliminatee v_prenex_7 vanished before elimination [2020-07-20 11:47:53,048 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 11:47:53,048 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 16 variables, input treesize:497, output treesize:10 [2020-07-20 11:47:53,079 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 11:47:53,084 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-20 11:47:53,091 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 11:47:53,091 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 11:47:53,092 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:15, output treesize:3 [2020-07-20 11:47:53,106 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 11:47:53,135 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 11:47:53,136 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 11:47:53,160 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:47:53,177 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:47:53,179 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:47:53,180 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:47:53,183 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:47:53,185 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:47:53,187 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:47:53,189 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:47:54,006 WARN L193 SmtUtils]: Spent 678.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-07-20 11:47:54,027 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:47:54,031 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:47:54,036 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:47:54,037 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:47:54,042 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:47:54,046 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:47:54,053 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:47:54,063 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:47:54,068 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:47:54,073 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:47:54,080 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:47:54,081 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:47:54,086 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:47:54,092 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:47:54,098 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:47:54,099 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:47:54,105 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:47:54,116 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:47:54,119 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:47:54,120 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:47:54,121 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:47:54,131 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:47:54,134 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:47:54,135 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:47:54,138 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:47:54,141 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:47:54,143 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:47:54,144 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:47:54,146 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:47:54,149 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:47:54,151 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:47:54,154 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:47:54,159 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:47:54,161 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:47:54,162 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:47:54,163 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:47:54,164 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:47:54,167 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:47:54,170 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:47:54,171 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:47:54,174 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:47:54,178 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:47:54,179 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:47:54,180 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:47:54,183 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:47:54,186 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:47:54,187 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:47:54,190 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:47:54,194 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:47:54,195 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:47:54,197 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:47:54,198 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:47:54,200 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:47:54,203 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:47:54,204 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:47:54,207 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:47:54,211 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:47:54,212 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:47:54,213 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:47:54,215 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:47:54,218 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:47:54,219 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:47:54,222 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:47:54,304 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:47:54,305 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-20 11:47:54,322 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:47:54,323 INFO L544 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-07-20 11:47:54,338 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:47:54,339 INFO L544 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-07-20 11:47:54,355 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:47:54,355 INFO L544 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-07-20 11:47:54,373 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:47:54,374 INFO L544 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-07-20 11:47:54,390 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:47:54,391 INFO L544 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-07-20 11:47:54,411 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:47:54,412 INFO L544 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-07-20 11:47:54,428 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:47:54,429 INFO L544 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-07-20 11:47:54,450 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:47:54,451 INFO L544 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2020-07-20 11:47:54,468 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:47:54,468 INFO L544 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2020-07-20 11:47:54,486 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:47:54,486 INFO L544 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2020-07-20 11:47:54,507 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 11:47:54,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-20 11:47:54,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-20 11:47:54,547 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 11:47:54,549 INFO L544 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2020-07-20 11:47:54,553 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 11:47:54,554 INFO L544 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-07-20 11:47:54,586 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:47:54,587 INFO L544 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2020-07-20 11:47:54,599 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:47:54,600 INFO L544 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2020-07-20 11:47:54,613 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:47:54,614 INFO L544 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2020-07-20 11:47:54,626 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:47:54,627 INFO L544 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2020-07-20 11:47:54,642 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:47:54,642 INFO L544 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2020-07-20 11:47:54,656 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:47:54,657 INFO L544 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2020-07-20 11:47:54,670 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:47:54,671 INFO L544 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2020-07-20 11:47:54,690 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:47:54,691 INFO L544 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2020-07-20 11:47:54,704 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:47:54,705 INFO L544 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2020-07-20 11:47:54,721 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 11:47:54,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-20 11:47:54,733 INFO L173 IndexEqualityManager]: detected equality via solver [2020-07-20 11:47:54,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-20 11:47:54,748 INFO L173 IndexEqualityManager]: detected equality via solver [2020-07-20 11:47:54,759 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 11:47:54,760 INFO L544 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2020-07-20 11:47:54,762 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 11:47:54,762 INFO L544 ElimStorePlain]: Start of recursive call 24: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-07-20 11:47:54,778 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:47:54,779 INFO L544 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2020-07-20 11:47:54,795 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:47:54,796 INFO L544 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2020-07-20 11:47:54,812 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:47:54,812 INFO L544 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2020-07-20 11:47:54,827 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:47:54,828 INFO L544 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2020-07-20 11:47:54,842 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:47:54,842 INFO L544 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2020-07-20 11:47:54,857 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:47:54,858 INFO L544 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2020-07-20 11:47:54,872 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:47:54,873 INFO L544 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2020-07-20 11:47:54,888 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:47:54,889 INFO L544 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2020-07-20 11:47:54,906 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:47:54,907 INFO L544 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2020-07-20 11:47:54,924 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:47:54,925 INFO L544 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2020-07-20 11:47:54,949 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 11:47:54,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-20 11:47:54,962 INFO L173 IndexEqualityManager]: detected equality via solver [2020-07-20 11:47:54,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-20 11:47:54,978 INFO L173 IndexEqualityManager]: detected equality via solver [2020-07-20 11:47:54,994 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 11:47:54,994 INFO L544 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2020-07-20 11:47:54,997 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 11:47:54,997 INFO L544 ElimStorePlain]: Start of recursive call 36: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-07-20 11:47:55,014 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:47:55,014 INFO L544 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2020-07-20 11:47:55,031 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:47:55,031 INFO L544 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2020-07-20 11:47:55,049 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:47:55,049 INFO L544 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2020-07-20 11:47:55,065 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:47:55,066 INFO L544 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2020-07-20 11:47:55,082 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:47:55,083 INFO L544 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2020-07-20 11:47:55,097 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:47:55,098 INFO L544 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2020-07-20 11:47:55,112 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:47:55,112 INFO L544 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2020-07-20 11:47:55,132 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:47:55,132 INFO L544 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2020-07-20 11:47:55,147 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:47:55,147 INFO L544 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2020-07-20 11:47:55,165 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 11:47:55,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-20 11:47:55,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-20 11:47:55,209 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 11:47:55,210 INFO L544 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2020-07-20 11:47:55,217 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 11:47:55,218 INFO L544 ElimStorePlain]: Start of recursive call 47: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-07-20 11:47:55,231 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:47:55,232 INFO L544 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2020-07-20 11:47:55,245 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:47:55,246 INFO L544 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2020-07-20 11:47:55,261 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:47:55,262 INFO L544 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2020-07-20 11:47:55,276 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:47:55,276 INFO L544 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2020-07-20 11:47:55,293 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 11:47:55,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-20 11:47:55,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-20 11:47:55,979 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 11:47:55,980 INFO L544 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2020-07-20 11:47:56,007 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 11:47:56,008 INFO L544 ElimStorePlain]: Start of recursive call 53: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-07-20 11:47:56,032 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:47:56,033 INFO L544 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2020-07-20 11:47:56,046 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:47:56,047 INFO L544 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2020-07-20 11:47:56,059 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:47:56,061 INFO L544 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2020-07-20 11:47:56,082 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:47:56,083 INFO L544 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2020-07-20 11:47:56,095 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:47:56,095 INFO L544 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2020-07-20 11:47:56,130 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:47:56,130 INFO L544 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2020-07-20 11:47:56,137 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:47:56,138 INFO L544 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2020-07-20 11:47:56,145 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:47:56,146 INFO L544 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2020-07-20 11:47:56,153 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:47:56,153 INFO L544 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2020-07-20 11:47:56,160 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:47:56,161 INFO L544 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2020-07-20 11:47:56,167 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:47:56,168 INFO L544 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2020-07-20 11:47:56,174 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:47:56,175 INFO L544 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 1 xjuncts. [2020-07-20 11:47:56,181 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:47:56,182 INFO L544 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2020-07-20 11:47:56,191 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 11:47:56,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-20 11:47:56,386 INFO L173 IndexEqualityManager]: detected equality via solver [2020-07-20 11:47:56,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-20 11:47:56,712 INFO L173 IndexEqualityManager]: detected equality via solver [2020-07-20 11:47:56,719 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 11:47:56,720 INFO L544 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2020-07-20 11:47:56,726 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 11:47:56,727 INFO L544 ElimStorePlain]: Start of recursive call 68: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-07-20 11:47:56,737 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:47:56,737 INFO L544 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2020-07-20 11:47:56,742 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:47:56,743 INFO L544 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2020-07-20 11:48:03,884 WARN L193 SmtUtils]: Spent 7.14 s on a formula simplification. DAG size of input: 73 DAG size of output: 51 [2020-07-20 11:48:03,887 INFO L624 ElimStorePlain]: treesize reduction 213, result has 30.2 percent of original size [2020-07-20 11:48:03,894 INFO L544 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2020-07-20 11:48:03,895 INFO L244 ElimStorePlain]: Needed 71 recursive calls to eliminate 4 variables, input treesize:7169, output treesize:92 [2020-07-20 11:48:06,322 WARN L193 SmtUtils]: Spent 2.25 s on a formula simplification that was a NOOP. DAG size: 52 [2020-07-20 11:48:06,810 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 24 [2020-07-20 11:48:06,828 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 11:48:06,828 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [747021425] [2020-07-20 11:48:06,829 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 11:48:06,829 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 11 [2020-07-20 11:48:06,829 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616124657] [2020-07-20 11:48:06,830 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-20 11:48:06,830 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:48:06,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-20 11:48:06,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-07-20 11:48:06,831 INFO L87 Difference]: Start difference. First operand 19 states and 21 transitions. Second operand 11 states. [2020-07-20 11:48:07,120 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 44 [2020-07-20 11:48:07,468 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 46 [2020-07-20 11:48:11,317 WARN L193 SmtUtils]: Spent 3.70 s on a formula simplification. DAG size of input: 172 DAG size of output: 159 [2020-07-20 11:48:24,998 WARN L193 SmtUtils]: Spent 13.43 s on a formula simplification. DAG size of input: 170 DAG size of output: 157 [2020-07-20 11:48:29,970 WARN L193 SmtUtils]: Spent 3.15 s on a formula simplification that was a NOOP. DAG size: 79 [2020-07-20 11:48:36,116 WARN L193 SmtUtils]: Spent 5.59 s on a formula simplification that was a NOOP. DAG size: 72 [2020-07-20 11:48:36,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:48:36,485 INFO L93 Difference]: Finished difference Result 51 states and 63 transitions. [2020-07-20 11:48:36,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-07-20 11:48:36,487 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 18 [2020-07-20 11:48:36,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:48:36,488 INFO L225 Difference]: With dead ends: 51 [2020-07-20 11:48:36,488 INFO L226 Difference]: Without dead ends: 45 [2020-07-20 11:48:36,489 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 23 SyntacticMatches, 3 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 31.0s TimeCoverageRelationStatistics Valid=126, Invalid=380, Unknown=0, NotChecked=0, Total=506 [2020-07-20 11:48:36,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-07-20 11:48:36,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 35. [2020-07-20 11:48:36,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-07-20 11:48:36,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 43 transitions. [2020-07-20 11:48:36,500 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 43 transitions. Word has length 18 [2020-07-20 11:48:36,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:48:36,501 INFO L479 AbstractCegarLoop]: Abstraction has 35 states and 43 transitions. [2020-07-20 11:48:36,501 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-20 11:48:36,501 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 43 transitions. [2020-07-20 11:48:36,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-07-20 11:48:36,502 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:48:36,502 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 11:48:36,703 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:48:36,704 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:48:36,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:48:36,704 INFO L82 PathProgramCache]: Analyzing trace with hash -1922472460, now seen corresponding path program 1 times [2020-07-20 11:48:36,705 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:48:36,705 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1282484646] [2020-07-20 11:48:36,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:48:36,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:48:36,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2020-07-20 11:48:36,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:48:36,789 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 11:48:36,790 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-20 11:48:36,796 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 11:48:36,796 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 11:48:36,797 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:19, output treesize:7 [2020-07-20 11:48:36,820 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 11:48:36,821 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-20 11:48:36,826 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 11:48:36,826 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 11:48:36,826 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:17, output treesize:5 [2020-07-20 11:48:36,838 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 11:48:36,864 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 11:48:36,864 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 11:48:36,888 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:48:36,958 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:48:36,961 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:48:36,962 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:48:36,963 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:48:36,965 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:48:36,966 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:48:36,968 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:48:36,979 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:48:36,981 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:48:36,984 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:48:36,985 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:48:36,986 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:48:36,986 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:48:36,990 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:48:37,002 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:48:37,003 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:48:37,005 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:48:37,009 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:48:37,010 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:48:37,010 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:48:37,013 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:48:37,016 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:48:37,017 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:48:37,019 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:48:37,024 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:48:37,027 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:48:37,028 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:48:37,029 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:48:37,042 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:48:37,046 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:48:37,048 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:48:37,050 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:48:37,054 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:48:37,055 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:48:37,055 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:48:37,058 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:48:37,061 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:48:37,061 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:48:37,063 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:48:37,068 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:48:37,069 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:48:37,070 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:48:37,071 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:48:37,072 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:48:37,074 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:48:37,076 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:48:37,077 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:48:37,080 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:48:37,083 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:48:37,084 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:48:37,085 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:48:37,087 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:48:37,090 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:48:37,091 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:48:37,094 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:48:37,098 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:48:37,099 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:48:37,100 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:48:37,101 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:48:37,103 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:48:37,105 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:48:37,118 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:48:37,119 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:48:37,121 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:48:37,122 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:48:37,123 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:48:37,124 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:48:37,126 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:48:37,129 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:48:37,131 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 11:48:37,199 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:48:37,200 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-20 11:48:37,214 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:48:37,215 INFO L544 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-07-20 11:48:37,230 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:48:37,230 INFO L544 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-07-20 11:48:37,260 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 11:48:37,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-20 11:48:37,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-20 11:48:37,313 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 11:48:37,314 INFO L544 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-07-20 11:48:37,329 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 11:48:37,329 INFO L544 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-07-20 11:48:37,351 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:48:37,351 INFO L544 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-07-20 11:48:37,368 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:48:37,368 INFO L544 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-07-20 11:48:37,383 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:48:37,384 INFO L544 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-07-20 11:48:37,397 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:48:37,398 INFO L544 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2020-07-20 11:48:37,411 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:48:37,411 INFO L544 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2020-07-20 11:48:37,430 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:48:37,431 INFO L544 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2020-07-20 11:48:37,446 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:48:37,447 INFO L544 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2020-07-20 11:48:37,464 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:48:37,465 INFO L544 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2020-07-20 11:48:37,493 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:48:37,493 INFO L544 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2020-07-20 11:48:37,509 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:48:37,509 INFO L544 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2020-07-20 11:48:37,535 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:48:37,536 INFO L544 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2020-07-20 11:48:37,555 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:48:37,555 INFO L544 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2020-07-20 11:48:37,571 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:48:37,571 INFO L544 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2020-07-20 11:48:37,587 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:48:37,587 INFO L544 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2020-07-20 11:48:37,603 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:48:37,603 INFO L544 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2020-07-20 11:48:37,619 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:48:37,620 INFO L544 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2020-07-20 11:48:37,637 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:48:37,637 INFO L544 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2020-07-20 11:48:37,653 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:48:37,654 INFO L544 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2020-07-20 11:48:37,682 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 66 [2020-07-20 11:48:37,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-20 11:48:37,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-20 11:48:37,774 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 11:48:37,775 INFO L544 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2020-07-20 11:48:37,791 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 11:48:37,791 INFO L544 ElimStorePlain]: Start of recursive call 25: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-07-20 11:48:37,805 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:48:37,805 INFO L544 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2020-07-20 11:48:37,820 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:48:37,821 INFO L544 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2020-07-20 11:48:37,836 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:48:37,837 INFO L544 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2020-07-20 11:48:37,852 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:48:37,853 INFO L544 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2020-07-20 11:48:37,867 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:48:37,867 INFO L544 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2020-07-20 11:48:37,895 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 11:48:37,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-20 11:48:37,920 INFO L173 IndexEqualityManager]: detected equality via solver [2020-07-20 11:48:37,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-20 11:48:37,969 INFO L173 IndexEqualityManager]: detected equality via solver [2020-07-20 11:48:37,986 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 11:48:37,987 INFO L544 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2020-07-20 11:48:37,989 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 11:48:37,989 INFO L544 ElimStorePlain]: Start of recursive call 32: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-07-20 11:48:38,004 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:48:38,004 INFO L544 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2020-07-20 11:48:38,019 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:48:38,019 INFO L544 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2020-07-20 11:48:38,034 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:48:38,035 INFO L544 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2020-07-20 11:48:38,049 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:48:38,050 INFO L544 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2020-07-20 11:48:38,073 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:48:38,074 INFO L544 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2020-07-20 11:48:38,088 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:48:38,089 INFO L544 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2020-07-20 11:48:38,116 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:48:38,116 INFO L544 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2020-07-20 11:48:38,131 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:48:38,131 INFO L544 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2020-07-20 11:48:38,145 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:48:38,146 INFO L544 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2020-07-20 11:48:38,162 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:48:38,162 INFO L544 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2020-07-20 11:48:38,184 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:48:38,184 INFO L544 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2020-07-20 11:48:38,210 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:48:38,210 INFO L544 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2020-07-20 11:48:38,224 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:48:38,225 INFO L544 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2020-07-20 11:48:38,242 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:48:38,259 INFO L544 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2020-07-20 11:48:38,288 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 11:48:38,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-20 11:48:38,311 INFO L173 IndexEqualityManager]: detected equality via solver [2020-07-20 11:48:38,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-20 11:48:38,348 INFO L173 IndexEqualityManager]: detected equality via solver [2020-07-20 11:48:38,361 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 11:48:38,362 INFO L544 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2020-07-20 11:48:38,364 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 11:48:38,364 INFO L544 ElimStorePlain]: Start of recursive call 48: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-07-20 11:48:38,375 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:48:38,375 INFO L544 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2020-07-20 11:48:38,383 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:48:38,384 INFO L544 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2020-07-20 11:48:38,394 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:48:38,394 INFO L544 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2020-07-20 11:48:38,406 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:48:38,407 INFO L544 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2020-07-20 11:48:38,442 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 11:48:38,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-20 11:48:38,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-20 11:48:38,723 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 11:48:38,723 INFO L544 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2020-07-20 11:48:38,742 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 11:48:38,742 INFO L544 ElimStorePlain]: Start of recursive call 54: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-07-20 11:48:38,750 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:48:38,751 INFO L544 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2020-07-20 11:48:38,758 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:48:38,759 INFO L544 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2020-07-20 11:48:38,765 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:48:38,765 INFO L544 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2020-07-20 11:48:38,784 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 11:48:38,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-20 11:48:38,819 INFO L173 IndexEqualityManager]: detected equality via solver [2020-07-20 11:48:38,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-20 11:48:39,065 INFO L173 IndexEqualityManager]: detected equality via solver [2020-07-20 11:48:39,079 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 11:48:39,080 INFO L544 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2020-07-20 11:48:39,082 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 11:48:39,082 INFO L544 ElimStorePlain]: Start of recursive call 59: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-07-20 11:48:39,090 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:48:39,091 INFO L544 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2020-07-20 11:48:39,100 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:48:39,100 INFO L544 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2020-07-20 11:48:39,108 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:48:39,109 INFO L544 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2020-07-20 11:48:39,119 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:48:39,119 INFO L544 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2020-07-20 11:48:39,127 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:48:39,128 INFO L544 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2020-07-20 11:48:39,134 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:48:39,135 INFO L544 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 1 xjuncts. [2020-07-20 11:48:39,141 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:48:39,141 INFO L544 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2020-07-20 11:48:39,148 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:48:39,149 INFO L544 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2020-07-20 11:48:39,160 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:48:39,160 INFO L544 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2020-07-20 11:48:39,166 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:48:39,167 INFO L544 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2020-07-20 11:48:39,172 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-07-20 11:48:39,173 INFO L544 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2020-07-20 11:48:43,242 WARN L193 SmtUtils]: Spent 4.07 s on a formula simplification. DAG size of input: 73 DAG size of output: 57 [2020-07-20 11:48:43,243 INFO L624 ElimStorePlain]: treesize reduction 211, result has 32.8 percent of original size [2020-07-20 11:48:43,246 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 11:48:43,246 INFO L244 ElimStorePlain]: Needed 71 recursive calls to eliminate 4 variables, input treesize:7265, output treesize:103 [2020-07-20 11:48:43,849 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2020-07-20 11:48:45,137 WARN L193 SmtUtils]: Spent 971.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 18 [2020-07-20 11:48:45,151 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 11:48:45,151 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1282484646] [2020-07-20 11:48:45,152 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 11:48:45,152 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 14 [2020-07-20 11:48:45,152 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544788863] [2020-07-20 11:48:45,153 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-20 11:48:45,153 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:48:45,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-20 11:48:45,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2020-07-20 11:48:45,154 INFO L87 Difference]: Start difference. First operand 35 states and 43 transitions. Second operand 14 states. [2020-07-20 11:48:45,774 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-07-20 11:48:46,764 WARN L193 SmtUtils]: Spent 650.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-07-20 11:48:48,458 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification that was a NOOP. DAG size: 82 [2020-07-20 11:48:53,191 WARN L193 SmtUtils]: Spent 2.09 s on a formula simplification that was a NOOP. DAG size: 82 [2020-07-20 11:48:58,547 WARN L193 SmtUtils]: Spent 1.95 s on a formula simplification that was a NOOP. DAG size: 73 [2020-07-20 11:49:01,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:49:01,867 INFO L93 Difference]: Finished difference Result 60 states and 73 transitions. [2020-07-20 11:49:01,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-07-20 11:49:01,880 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 18 [2020-07-20 11:49:01,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:49:01,881 INFO L225 Difference]: With dead ends: 60 [2020-07-20 11:49:01,881 INFO L226 Difference]: Without dead ends: 52 [2020-07-20 11:49:01,883 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 21 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 9.7s TimeCoverageRelationStatistics Valid=170, Invalid=700, Unknown=0, NotChecked=0, Total=870 [2020-07-20 11:49:01,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-07-20 11:49:01,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 31. [2020-07-20 11:49:01,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-07-20 11:49:01,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 37 transitions. [2020-07-20 11:49:01,904 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 37 transitions. Word has length 18 [2020-07-20 11:49:01,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:49:01,905 INFO L479 AbstractCegarLoop]: Abstraction has 31 states and 37 transitions. [2020-07-20 11:49:01,905 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-20 11:49:01,905 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 37 transitions. [2020-07-20 11:49:01,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-07-20 11:49:01,906 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:49:01,906 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 11:49:02,106 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:49:02,108 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:49:02,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:49:02,108 INFO L82 PathProgramCache]: Analyzing trace with hash -1347405636, now seen corresponding path program 2 times [2020-07-20 11:49:02,109 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:49:02,109 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1182564482] [2020-07-20 11:49:02,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:49:02,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:49:02,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 11:49:02,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:49:02,188 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 17 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-07-20 11:49:02,189 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 11:49:02,384 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 11 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-07-20 11:49:02,385 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1182564482] [2020-07-20 11:49:02,385 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 11:49:02,386 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2020-07-20 11:49:02,386 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055073931] [2020-07-20 11:49:02,386 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 11:49:02,387 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:49:02,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 11:49:02,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-07-20 11:49:02,389 INFO L87 Difference]: Start difference. First operand 31 states and 37 transitions. Second operand 8 states. [2020-07-20 11:49:02,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:49:02,487 INFO L93 Difference]: Finished difference Result 54 states and 66 transitions. [2020-07-20 11:49:02,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 11:49:02,493 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 27 [2020-07-20 11:49:02,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:49:02,494 INFO L225 Difference]: With dead ends: 54 [2020-07-20 11:49:02,494 INFO L226 Difference]: Without dead ends: 31 [2020-07-20 11:49:02,495 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-07-20 11:49:02,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-07-20 11:49:02,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-07-20 11:49:02,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-07-20 11:49:02,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 34 transitions. [2020-07-20 11:49:02,508 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 34 transitions. Word has length 27 [2020-07-20 11:49:02,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:49:02,509 INFO L479 AbstractCegarLoop]: Abstraction has 31 states and 34 transitions. [2020-07-20 11:49:02,509 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 11:49:02,509 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 34 transitions. [2020-07-20 11:49:02,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-07-20 11:49:02,510 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:49:02,510 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 11:49:02,723 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:49:02,724 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:49:02,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:49:02,725 INFO L82 PathProgramCache]: Analyzing trace with hash -795208536, now seen corresponding path program 3 times [2020-07-20 11:49:02,725 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:49:02,725 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1773629471] [2020-07-20 11:49:02,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:49:02,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:49:02,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 11:49:02,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:49:02,849 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 11:49:02,849 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 11:49:03,079 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 11:49:03,080 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1773629471] [2020-07-20 11:49:03,080 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 11:49:03,080 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2020-07-20 11:49:03,081 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953161904] [2020-07-20 11:49:03,081 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 11:49:03,081 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:49:03,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 11:49:03,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-07-20 11:49:03,082 INFO L87 Difference]: Start difference. First operand 31 states and 34 transitions. Second operand 8 states. [2020-07-20 11:49:03,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:49:03,152 INFO L93 Difference]: Finished difference Result 31 states and 34 transitions. [2020-07-20 11:49:03,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-20 11:49:03,160 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 30 [2020-07-20 11:49:03,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:49:03,160 INFO L225 Difference]: With dead ends: 31 [2020-07-20 11:49:03,160 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 11:49:03,161 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-07-20 11:49:03,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 11:49:03,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 11:49:03,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 11:49:03,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 11:49:03,162 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2020-07-20 11:49:03,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:49:03,162 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 11:49:03,162 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 11:49:03,162 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 11:49:03,162 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 11:49:03,363 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:49:03,367 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 11:49:03,744 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 15 [2020-07-20 11:49:03,867 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 21 [2020-07-20 11:49:03,870 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 11:49:03,871 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-20 11:49:03,871 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 11:49:03,871 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 11:49:03,871 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-20 11:49:03,871 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 11:49:03,872 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 11:49:03,872 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 11 31) no Hoare annotation was computed. [2020-07-20 11:49:03,872 INFO L268 CegarLoopResult]: For program point L19-2(lines 19 26) no Hoare annotation was computed. [2020-07-20 11:49:03,872 INFO L264 CegarLoopResult]: At program point L19-3(lines 19 26) the Hoare annotation is: (let ((.cse0 (= 1 main_~N_COL~0)) (.cse1 (= 1 main_~N_LIN~0))) (or (and (<= (select (select |#memory_int| |main_~#matriz~0.base|) |main_~#matriz~0.offset|) main_~maior~0) .cse0 (= 1 main_~k~0) (= 1 main_~j~0) .cse1) (and .cse0 (= 0 main_~j~0) .cse1))) [2020-07-20 11:49:03,872 INFO L268 CegarLoopResult]: For program point L19-4(lines 19 26) no Hoare annotation was computed. [2020-07-20 11:49:03,872 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 11 31) no Hoare annotation was computed. [2020-07-20 11:49:03,872 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 11 31) the Hoare annotation is: true [2020-07-20 11:49:03,873 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 11:49:03,873 INFO L268 CegarLoopResult]: For program point L28-1(line 28) no Hoare annotation was computed. [2020-07-20 11:49:03,873 INFO L268 CegarLoopResult]: For program point L24(lines 24 25) no Hoare annotation was computed. [2020-07-20 11:49:03,873 INFO L268 CegarLoopResult]: For program point L20-2(lines 20 26) no Hoare annotation was computed. [2020-07-20 11:49:03,873 INFO L264 CegarLoopResult]: At program point L20-3(lines 20 26) the Hoare annotation is: (let ((.cse0 (= 1 main_~N_COL~0)) (.cse1 (= 0 main_~j~0)) (.cse2 (= 1 main_~N_LIN~0))) (or (and (<= (select (select |#memory_int| |main_~#matriz~0.base|) |main_~#matriz~0.offset|) main_~maior~0) (= 1 main_~k~0) .cse0 .cse1 .cse2) (and (= 0 main_~k~0) .cse0 .cse1 .cse2))) [2020-07-20 11:49:03,873 INFO L271 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true [2020-07-20 11:49:03,873 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed. [2020-07-20 11:49:03,874 INFO L268 CegarLoopResult]: For program point L5(line 5) no Hoare annotation was computed. [2020-07-20 11:49:03,874 INFO L268 CegarLoopResult]: For program point L4(lines 4 6) no Hoare annotation was computed. [2020-07-20 11:49:03,874 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2020-07-20 11:49:03,874 INFO L268 CegarLoopResult]: For program point L4-2(lines 3 8) no Hoare annotation was computed. [2020-07-20 11:49:03,884 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 11:49:03,889 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 11:49:03,891 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 11:49:03,891 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 11:49:03,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 11:49:03 BoogieIcfgContainer [2020-07-20 11:49:03,894 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 11:49:03,896 INFO L168 Benchmark]: Toolchain (without parser) took 73668.26 ms. Allocated memory was 145.8 MB in the beginning and 294.1 MB in the end (delta: 148.4 MB). Free memory was 101.6 MB in the beginning and 177.6 MB in the end (delta: -76.0 MB). Peak memory consumption was 72.4 MB. Max. memory is 7.1 GB. [2020-07-20 11:49:03,897 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 145.8 MB. Free memory is still 120.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-20 11:49:03,897 INFO L168 Benchmark]: CACSL2BoogieTranslator took 266.33 ms. Allocated memory is still 145.8 MB. Free memory was 101.6 MB in the beginning and 91.2 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. [2020-07-20 11:49:03,898 INFO L168 Benchmark]: Boogie Preprocessor took 133.57 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 91.2 MB in the beginning and 180.8 MB in the end (delta: -89.6 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2020-07-20 11:49:03,899 INFO L168 Benchmark]: RCFGBuilder took 363.18 ms. Allocated memory is still 203.4 MB. Free memory was 180.8 MB in the beginning and 165.9 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 7.1 GB. [2020-07-20 11:49:03,899 INFO L168 Benchmark]: TraceAbstraction took 72898.30 ms. Allocated memory was 203.4 MB in the beginning and 294.1 MB in the end (delta: 90.7 MB). Free memory was 164.9 MB in the beginning and 177.6 MB in the end (delta: -12.7 MB). Peak memory consumption was 78.0 MB. Max. memory is 7.1 GB. [2020-07-20 11:49:03,902 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 145.8 MB. Free memory is still 120.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 266.33 ms. Allocated memory is still 145.8 MB. Free memory was 101.6 MB in the beginning and 91.2 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 133.57 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 91.2 MB in the beginning and 180.8 MB in the end (delta: -89.6 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 363.18 ms. Allocated memory is still 203.4 MB. Free memory was 180.8 MB in the beginning and 165.9 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 72898.30 ms. Allocated memory was 203.4 MB in the beginning and 294.1 MB in the end (delta: 90.7 MB). Free memory was 164.9 MB in the beginning and 177.6 MB in the end (delta: -12.7 MB). Peak memory consumption was 78.0 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 11:49:03,909 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 11:49:03,910 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: ((((unknown-#memory_int-unknown[matriz][matriz] <= maior && 1 == k) && 1 == N_COL) && 0 == j) && 1 == N_LIN) || (((0 == k && 1 == N_COL) && 0 == j) && 1 == N_LIN) - InvariantResult [Line: 19]: Loop Invariant [2020-07-20 11:49:03,911 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 11:49:03,911 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: ((((unknown-#memory_int-unknown[matriz][matriz] <= maior && 1 == N_COL) && 1 == k) && 1 == j) && 1 == N_LIN) || ((1 == N_COL && 0 == j) && 1 == N_LIN) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 24 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 72.3s, OverallIterations: 7, TraceHistogramMax: 3, AutomataDifference: 46.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 98 SDtfs, 110 SDslu, 232 SDs, 0 SdLazy, 336 SolverSat, 61 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 11.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 247 GetRequests, 177 SyntacticMatches, 5 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 207 ImplicationChecksByTransitivity, 41.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=35occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 37 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 15 PreInvPairs, 22 NumberOfFragments, 87 HoareAnnotationTreeSize, 15 FomulaSimplifications, 66 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 8 FomulaSimplificationsInter, 341 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 23.5s InterpolantComputationTime, 132 NumberOfCodeBlocks, 132 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 214 ConstructedInterpolants, 0 QuantifiedInterpolants, 26178 SizeOfPredicates, 38 NumberOfNonLiveVariables, 540 ConjunctsInSsa, 65 ConjunctsInUnsatCore, 11 InterpolantComputations, 3 PerfectInterpolantSequences, 73/109 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...