java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf -i ../../../trunk/examples/svcomp/forester-heap/sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cceb4a [2018-01-30 00:37:07,584 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-30 00:37:07,585 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-30 00:37:07,598 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-30 00:37:07,598 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-30 00:37:07,599 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-30 00:37:07,600 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-30 00:37:07,602 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-30 00:37:07,604 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-30 00:37:07,605 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-30 00:37:07,605 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-30 00:37:07,605 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-30 00:37:07,606 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-30 00:37:07,608 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-30 00:37:07,608 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-30 00:37:07,611 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-30 00:37:07,613 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-30 00:37:07,615 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-30 00:37:07,616 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-30 00:37:07,617 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-30 00:37:07,619 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-30 00:37:07,619 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-30 00:37:07,620 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-30 00:37:07,621 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-30 00:37:07,621 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-30 00:37:07,623 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-30 00:37:07,623 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-30 00:37:07,623 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-30 00:37:07,624 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-30 00:37:07,624 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-30 00:37:07,624 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-30 00:37:07,625 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf [2018-01-30 00:37:07,634 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-30 00:37:07,635 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-30 00:37:07,636 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-30 00:37:07,636 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-30 00:37:07,636 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-30 00:37:07,636 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-30 00:37:07,636 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-30 00:37:07,637 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-30 00:37:07,637 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-30 00:37:07,638 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-30 00:37:07,638 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-30 00:37:07,638 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-30 00:37:07,638 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-30 00:37:07,638 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-30 00:37:07,639 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-30 00:37:07,639 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-30 00:37:07,639 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-30 00:37:07,639 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-30 00:37:07,639 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-30 00:37:07,640 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-01-30 00:37:07,640 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-30 00:37:07,640 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-30 00:37:07,640 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-30 00:37:07,640 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-30 00:37:07,641 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-30 00:37:07,641 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-30 00:37:07,641 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-30 00:37:07,641 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-30 00:37:07,641 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-30 00:37:07,642 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-30 00:37:07,642 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-30 00:37:07,642 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-30 00:37:07,643 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-30 00:37:07,643 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-30 00:37:07,678 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-30 00:37:07,691 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-30 00:37:07,695 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-30 00:37:07,696 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-30 00:37:07,697 INFO L276 PluginConnector]: CDTParser initialized [2018-01-30 00:37:07,697 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-01-30 00:37:07,882 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-30 00:37:07,888 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-30 00:37:07,889 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-30 00:37:07,889 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-30 00:37:07,894 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-30 00:37:07,895 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.01 12:37:07" (1/1) ... [2018-01-30 00:37:07,898 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b4f1509 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 12:37:07, skipping insertion in model container [2018-01-30 00:37:07,898 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.01 12:37:07" (1/1) ... [2018-01-30 00:37:07,916 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-30 00:37:07,957 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-30 00:37:08,077 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-30 00:37:08,100 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-30 00:37:08,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 12:37:08 WrapperNode [2018-01-30 00:37:08,110 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-30 00:37:08,111 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-30 00:37:08,111 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-30 00:37:08,111 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-30 00:37:08,127 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 12:37:08" (1/1) ... [2018-01-30 00:37:08,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 12:37:08" (1/1) ... [2018-01-30 00:37:08,137 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 12:37:08" (1/1) ... [2018-01-30 00:37:08,137 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 12:37:08" (1/1) ... [2018-01-30 00:37:08,145 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 12:37:08" (1/1) ... [2018-01-30 00:37:08,150 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 12:37:08" (1/1) ... [2018-01-30 00:37:08,152 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 12:37:08" (1/1) ... [2018-01-30 00:37:08,154 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-30 00:37:08,155 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-30 00:37:08,155 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-30 00:37:08,155 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-30 00:37:08,156 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 12:37:08" (1/1) ... No working directory specified, using /storage/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 [2018-01-30 00:37:08,210 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-30 00:37:08,210 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-30 00:37:08,210 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-30 00:37:08,210 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-30 00:37:08,211 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-30 00:37:08,211 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-30 00:37:08,211 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-30 00:37:08,211 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-30 00:37:08,211 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-30 00:37:08,211 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-30 00:37:08,212 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-30 00:37:08,212 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-30 00:37:08,212 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-30 00:37:08,212 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-01-30 00:37:08,212 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-30 00:37:08,212 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-30 00:37:08,213 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-30 00:37:08,702 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-30 00:37:08,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.01 12:37:08 BoogieIcfgContainer [2018-01-30 00:37:08,703 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-30 00:37:08,704 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-30 00:37:08,704 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-30 00:37:08,708 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-30 00:37:08,708 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.01 12:37:07" (1/3) ... [2018-01-30 00:37:08,709 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19580f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.01 12:37:08, skipping insertion in model container [2018-01-30 00:37:08,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 12:37:08" (2/3) ... [2018-01-30 00:37:08,710 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19580f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.01 12:37:08, skipping insertion in model container [2018-01-30 00:37:08,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.01 12:37:08" (3/3) ... [2018-01-30 00:37:08,712 INFO L107 eAbstractionObserver]: Analyzing ICFG sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-01-30 00:37:08,719 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-30 00:37:08,725 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 47 error locations. [2018-01-30 00:37:08,777 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-30 00:37:08,777 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-30 00:37:08,778 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-30 00:37:08,778 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-30 00:37:08,778 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-30 00:37:08,778 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-30 00:37:08,778 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-30 00:37:08,778 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-01-30 00:37:08,779 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-30 00:37:08,802 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states. [2018-01-30 00:37:08,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-01-30 00:37:08,809 INFO L342 BasicCegarLoop]: Found error trace [2018-01-30 00:37:08,810 INFO L350 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-30 00:37:08,810 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-01-30 00:37:08,816 INFO L82 PathProgramCache]: Analyzing trace with hash -1334545819, now seen corresponding path program 1 times [2018-01-30 00:37:08,818 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-30 00:37:08,819 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-30 00:37:08,889 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:37:08,890 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 00:37:08,890 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:37:08,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:37:08,942 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-30 00:37:09,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:37:09,010 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-30 00:37:09,010 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-30 00:37:09,012 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-30 00:37:09,112 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-30 00:37:09,113 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-30 00:37:09,116 INFO L87 Difference]: Start difference. First operand 142 states. Second operand 4 states. [2018-01-30 00:37:09,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-30 00:37:09,308 INFO L93 Difference]: Finished difference Result 246 states and 295 transitions. [2018-01-30 00:37:09,308 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-30 00:37:09,309 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2018-01-30 00:37:09,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-30 00:37:09,320 INFO L225 Difference]: With dead ends: 246 [2018-01-30 00:37:09,321 INFO L226 Difference]: Without dead ends: 149 [2018-01-30 00:37:09,325 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-01-30 00:37:09,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2018-01-30 00:37:09,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 130. [2018-01-30 00:37:09,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-01-30 00:37:09,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 137 transitions. [2018-01-30 00:37:09,362 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 137 transitions. Word has length 9 [2018-01-30 00:37:09,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-30 00:37:09,362 INFO L432 AbstractCegarLoop]: Abstraction has 130 states and 137 transitions. [2018-01-30 00:37:09,362 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-30 00:37:09,362 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 137 transitions. [2018-01-30 00:37:09,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-01-30 00:37:09,362 INFO L342 BasicCegarLoop]: Found error trace [2018-01-30 00:37:09,363 INFO L350 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-30 00:37:09,363 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-01-30 00:37:09,363 INFO L82 PathProgramCache]: Analyzing trace with hash -1334545818, now seen corresponding path program 1 times [2018-01-30 00:37:09,363 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-30 00:37:09,363 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-30 00:37:09,365 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:37:09,365 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 00:37:09,365 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:37:09,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:37:09,382 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-30 00:37:09,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:37:09,448 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-30 00:37:09,448 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-30 00:37:09,450 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-30 00:37:09,450 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-30 00:37:09,450 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-30 00:37:09,450 INFO L87 Difference]: Start difference. First operand 130 states and 137 transitions. Second operand 4 states. [2018-01-30 00:37:09,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-30 00:37:09,621 INFO L93 Difference]: Finished difference Result 154 states and 160 transitions. [2018-01-30 00:37:09,622 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-30 00:37:09,622 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2018-01-30 00:37:09,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-30 00:37:09,624 INFO L225 Difference]: With dead ends: 154 [2018-01-30 00:37:09,624 INFO L226 Difference]: Without dead ends: 147 [2018-01-30 00:37:09,625 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-01-30 00:37:09,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2018-01-30 00:37:09,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 139. [2018-01-30 00:37:09,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2018-01-30 00:37:09,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 146 transitions. [2018-01-30 00:37:09,637 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 146 transitions. Word has length 9 [2018-01-30 00:37:09,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-30 00:37:09,637 INFO L432 AbstractCegarLoop]: Abstraction has 139 states and 146 transitions. [2018-01-30 00:37:09,637 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-30 00:37:09,638 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 146 transitions. [2018-01-30 00:37:09,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-01-30 00:37:09,638 INFO L342 BasicCegarLoop]: Found error trace [2018-01-30 00:37:09,638 INFO L350 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-30 00:37:09,639 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-01-30 00:37:09,639 INFO L82 PathProgramCache]: Analyzing trace with hash 612262476, now seen corresponding path program 1 times [2018-01-30 00:37:09,639 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-30 00:37:09,639 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-30 00:37:09,641 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:37:09,641 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 00:37:09,641 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:37:09,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:37:09,664 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-30 00:37:09,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:37:09,744 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-30 00:37:09,744 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-30 00:37:09,744 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-30 00:37:09,744 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-30 00:37:09,744 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-30 00:37:09,745 INFO L87 Difference]: Start difference. First operand 139 states and 146 transitions. Second operand 4 states. [2018-01-30 00:37:09,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-30 00:37:09,886 INFO L93 Difference]: Finished difference Result 160 states and 168 transitions. [2018-01-30 00:37:09,886 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-30 00:37:09,886 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2018-01-30 00:37:09,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-30 00:37:09,887 INFO L225 Difference]: With dead ends: 160 [2018-01-30 00:37:09,887 INFO L226 Difference]: Without dead ends: 148 [2018-01-30 00:37:09,888 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-01-30 00:37:09,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2018-01-30 00:37:09,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 131. [2018-01-30 00:37:09,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-01-30 00:37:09,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 140 transitions. [2018-01-30 00:37:09,895 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 140 transitions. Word has length 17 [2018-01-30 00:37:09,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-30 00:37:09,895 INFO L432 AbstractCegarLoop]: Abstraction has 131 states and 140 transitions. [2018-01-30 00:37:09,896 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-30 00:37:09,896 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 140 transitions. [2018-01-30 00:37:09,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-01-30 00:37:09,896 INFO L342 BasicCegarLoop]: Found error trace [2018-01-30 00:37:09,896 INFO L350 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-30 00:37:09,896 INFO L371 AbstractCegarLoop]: === Iteration 4 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-01-30 00:37:09,897 INFO L82 PathProgramCache]: Analyzing trace with hash 612262477, now seen corresponding path program 1 times [2018-01-30 00:37:09,897 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-30 00:37:09,897 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-30 00:37:09,898 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:37:09,898 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 00:37:09,898 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:37:09,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:37:09,916 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-30 00:37:10,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:37:10,025 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-30 00:37:10,025 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-30 00:37:10,026 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-01-30 00:37:10,026 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-01-30 00:37:10,026 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-01-30 00:37:10,026 INFO L87 Difference]: Start difference. First operand 131 states and 140 transitions. Second operand 7 states. [2018-01-30 00:37:10,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-30 00:37:10,279 INFO L93 Difference]: Finished difference Result 174 states and 184 transitions. [2018-01-30 00:37:10,279 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-30 00:37:10,279 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 17 [2018-01-30 00:37:10,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-30 00:37:10,281 INFO L225 Difference]: With dead ends: 174 [2018-01-30 00:37:10,281 INFO L226 Difference]: Without dead ends: 168 [2018-01-30 00:37:10,281 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-01-30 00:37:10,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2018-01-30 00:37:10,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 142. [2018-01-30 00:37:10,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2018-01-30 00:37:10,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 152 transitions. [2018-01-30 00:37:10,293 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 152 transitions. Word has length 17 [2018-01-30 00:37:10,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-30 00:37:10,294 INFO L432 AbstractCegarLoop]: Abstraction has 142 states and 152 transitions. [2018-01-30 00:37:10,294 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-01-30 00:37:10,294 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 152 transitions. [2018-01-30 00:37:10,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-01-30 00:37:10,295 INFO L342 BasicCegarLoop]: Found error trace [2018-01-30 00:37:10,295 INFO L350 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-30 00:37:10,295 INFO L371 AbstractCegarLoop]: === Iteration 5 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-01-30 00:37:10,296 INFO L82 PathProgramCache]: Analyzing trace with hash 514492176, now seen corresponding path program 1 times [2018-01-30 00:37:10,296 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-30 00:37:10,296 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-30 00:37:10,297 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:37:10,297 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 00:37:10,298 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:37:10,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:37:10,313 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-30 00:37:10,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:37:10,396 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-30 00:37:10,396 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-30 00:37:10,396 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-30 00:37:10,396 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-30 00:37:10,397 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-01-30 00:37:10,397 INFO L87 Difference]: Start difference. First operand 142 states and 152 transitions. Second operand 6 states. [2018-01-30 00:37:10,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-30 00:37:10,641 INFO L93 Difference]: Finished difference Result 230 states and 247 transitions. [2018-01-30 00:37:10,641 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-01-30 00:37:10,641 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 21 [2018-01-30 00:37:10,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-30 00:37:10,643 INFO L225 Difference]: With dead ends: 230 [2018-01-30 00:37:10,643 INFO L226 Difference]: Without dead ends: 229 [2018-01-30 00:37:10,643 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2018-01-30 00:37:10,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2018-01-30 00:37:10,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 141. [2018-01-30 00:37:10,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-01-30 00:37:10,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 151 transitions. [2018-01-30 00:37:10,654 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 151 transitions. Word has length 21 [2018-01-30 00:37:10,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-30 00:37:10,654 INFO L432 AbstractCegarLoop]: Abstraction has 141 states and 151 transitions. [2018-01-30 00:37:10,654 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-30 00:37:10,654 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 151 transitions. [2018-01-30 00:37:10,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-01-30 00:37:10,655 INFO L342 BasicCegarLoop]: Found error trace [2018-01-30 00:37:10,655 INFO L350 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-30 00:37:10,655 INFO L371 AbstractCegarLoop]: === Iteration 6 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-01-30 00:37:10,656 INFO L82 PathProgramCache]: Analyzing trace with hash 514492177, now seen corresponding path program 1 times [2018-01-30 00:37:10,656 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-30 00:37:10,656 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-30 00:37:10,657 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:37:10,657 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 00:37:10,657 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:37:10,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:37:10,672 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-30 00:37:10,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:37:10,750 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-30 00:37:10,750 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-30 00:37:10,750 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-30 00:37:10,750 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-30 00:37:10,751 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-01-30 00:37:10,751 INFO L87 Difference]: Start difference. First operand 141 states and 151 transitions. Second operand 6 states. [2018-01-30 00:37:11,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-30 00:37:11,007 INFO L93 Difference]: Finished difference Result 243 states and 261 transitions. [2018-01-30 00:37:11,007 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-01-30 00:37:11,007 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 21 [2018-01-30 00:37:11,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-30 00:37:11,009 INFO L225 Difference]: With dead ends: 243 [2018-01-30 00:37:11,009 INFO L226 Difference]: Without dead ends: 236 [2018-01-30 00:37:11,009 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2018-01-30 00:37:11,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2018-01-30 00:37:11,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 136. [2018-01-30 00:37:11,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2018-01-30 00:37:11,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 146 transitions. [2018-01-30 00:37:11,019 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 146 transitions. Word has length 21 [2018-01-30 00:37:11,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-30 00:37:11,019 INFO L432 AbstractCegarLoop]: Abstraction has 136 states and 146 transitions. [2018-01-30 00:37:11,019 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-30 00:37:11,020 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 146 transitions. [2018-01-30 00:37:11,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-01-30 00:37:11,021 INFO L342 BasicCegarLoop]: Found error trace [2018-01-30 00:37:11,021 INFO L350 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-30 00:37:11,021 INFO L371 AbstractCegarLoop]: === Iteration 7 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-01-30 00:37:11,021 INFO L82 PathProgramCache]: Analyzing trace with hash 751322256, now seen corresponding path program 1 times [2018-01-30 00:37:11,022 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-30 00:37:11,022 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-30 00:37:11,023 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:37:11,023 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 00:37:11,023 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:37:11,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:37:11,037 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-30 00:37:11,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:37:11,089 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-30 00:37:11,090 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-30 00:37:11,090 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-30 00:37:11,090 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-30 00:37:11,091 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-30 00:37:11,091 INFO L87 Difference]: Start difference. First operand 136 states and 146 transitions. Second operand 5 states. [2018-01-30 00:37:11,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-30 00:37:11,176 INFO L93 Difference]: Finished difference Result 198 states and 212 transitions. [2018-01-30 00:37:11,176 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-30 00:37:11,176 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2018-01-30 00:37:11,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-30 00:37:11,177 INFO L225 Difference]: With dead ends: 198 [2018-01-30 00:37:11,178 INFO L226 Difference]: Without dead ends: 153 [2018-01-30 00:37:11,178 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-01-30 00:37:11,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2018-01-30 00:37:11,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 136. [2018-01-30 00:37:11,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2018-01-30 00:37:11,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 144 transitions. [2018-01-30 00:37:11,186 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 144 transitions. Word has length 31 [2018-01-30 00:37:11,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-30 00:37:11,186 INFO L432 AbstractCegarLoop]: Abstraction has 136 states and 144 transitions. [2018-01-30 00:37:11,186 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-30 00:37:11,186 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 144 transitions. [2018-01-30 00:37:11,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-01-30 00:37:11,187 INFO L342 BasicCegarLoop]: Found error trace [2018-01-30 00:37:11,187 INFO L350 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-30 00:37:11,187 INFO L371 AbstractCegarLoop]: === Iteration 8 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-01-30 00:37:11,188 INFO L82 PathProgramCache]: Analyzing trace with hash 2062787231, now seen corresponding path program 1 times [2018-01-30 00:37:11,188 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-30 00:37:11,188 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-30 00:37:11,189 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:37:11,189 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 00:37:11,189 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:37:11,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:37:11,204 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-30 00:37:11,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:37:11,245 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-30 00:37:11,245 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-30 00:37:11,246 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-30 00:37:11,246 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-30 00:37:11,246 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-01-30 00:37:11,246 INFO L87 Difference]: Start difference. First operand 136 states and 144 transitions. Second operand 6 states. [2018-01-30 00:37:11,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-30 00:37:11,519 INFO L93 Difference]: Finished difference Result 220 states and 235 transitions. [2018-01-30 00:37:11,519 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-01-30 00:37:11,519 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2018-01-30 00:37:11,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-30 00:37:11,520 INFO L225 Difference]: With dead ends: 220 [2018-01-30 00:37:11,520 INFO L226 Difference]: Without dead ends: 219 [2018-01-30 00:37:11,521 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2018-01-30 00:37:11,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2018-01-30 00:37:11,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 135. [2018-01-30 00:37:11,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2018-01-30 00:37:11,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 143 transitions. [2018-01-30 00:37:11,526 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 143 transitions. Word has length 31 [2018-01-30 00:37:11,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-30 00:37:11,527 INFO L432 AbstractCegarLoop]: Abstraction has 135 states and 143 transitions. [2018-01-30 00:37:11,527 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-30 00:37:11,527 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 143 transitions. [2018-01-30 00:37:11,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-01-30 00:37:11,528 INFO L342 BasicCegarLoop]: Found error trace [2018-01-30 00:37:11,528 INFO L350 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-30 00:37:11,528 INFO L371 AbstractCegarLoop]: === Iteration 9 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-01-30 00:37:11,528 INFO L82 PathProgramCache]: Analyzing trace with hash 2062787232, now seen corresponding path program 1 times [2018-01-30 00:37:11,529 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-30 00:37:11,529 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-30 00:37:11,529 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:37:11,530 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 00:37:11,530 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:37:11,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:37:11,544 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-30 00:37:11,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:37:11,608 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-30 00:37:11,609 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-30 00:37:11,609 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-30 00:37:11,609 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-30 00:37:11,609 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-01-30 00:37:11,609 INFO L87 Difference]: Start difference. First operand 135 states and 143 transitions. Second operand 6 states. [2018-01-30 00:37:11,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-30 00:37:11,816 INFO L93 Difference]: Finished difference Result 245 states and 260 transitions. [2018-01-30 00:37:11,816 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-01-30 00:37:11,816 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2018-01-30 00:37:11,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-30 00:37:11,817 INFO L225 Difference]: With dead ends: 245 [2018-01-30 00:37:11,818 INFO L226 Difference]: Without dead ends: 241 [2018-01-30 00:37:11,818 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-01-30 00:37:11,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2018-01-30 00:37:11,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 124. [2018-01-30 00:37:11,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2018-01-30 00:37:11,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 131 transitions. [2018-01-30 00:37:11,825 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 131 transitions. Word has length 31 [2018-01-30 00:37:11,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-30 00:37:11,825 INFO L432 AbstractCegarLoop]: Abstraction has 124 states and 131 transitions. [2018-01-30 00:37:11,825 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-30 00:37:11,826 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 131 transitions. [2018-01-30 00:37:11,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-01-30 00:37:11,827 INFO L342 BasicCegarLoop]: Found error trace [2018-01-30 00:37:11,827 INFO L350 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-30 00:37:11,827 INFO L371 AbstractCegarLoop]: === Iteration 10 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-01-30 00:37:11,827 INFO L82 PathProgramCache]: Analyzing trace with hash -619310931, now seen corresponding path program 1 times [2018-01-30 00:37:11,827 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-30 00:37:11,827 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-30 00:37:11,829 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:37:11,829 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 00:37:11,829 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:37:11,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:37:11,839 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-30 00:37:12,084 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:37:12,084 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-30 00:37:12,084 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-30 00:37:12,104 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 00:37:12,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:37:12,150 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-30 00:37:12,272 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 11 treesize of output 8 [2018-01-30 00:37:12,275 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-01-30 00:37:12,275 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:12,277 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:12,285 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 11 treesize of output 8 [2018-01-30 00:37:12,287 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-01-30 00:37:12,287 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:12,288 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:12,293 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:12,293 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:29, output treesize:18 [2018-01-30 00:37:12,310 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 27 treesize of output 22 [2018-01-30 00:37:12,324 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:12,327 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2018-01-30 00:37:12,328 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:12,336 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:12,357 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 27 treesize of output 22 [2018-01-30 00:37:12,374 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:12,375 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2018-01-30 00:37:12,376 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:12,379 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:12,385 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:12,385 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:56, output treesize:18 [2018-01-30 00:37:12,425 INFO L477 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 11 [2018-01-30 00:37:12,428 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-01-30 00:37:12,428 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:12,430 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:12,442 INFO L477 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 11 [2018-01-30 00:37:12,445 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-01-30 00:37:12,445 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:12,448 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:12,452 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:12,452 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:29, output treesize:7 [2018-01-30 00:37:12,462 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:37:12,497 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-30 00:37:12,497 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 10 [2018-01-30 00:37:12,498 INFO L409 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-01-30 00:37:12,498 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-01-30 00:37:12,498 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-01-30 00:37:12,498 INFO L87 Difference]: Start difference. First operand 124 states and 131 transitions. Second operand 10 states. [2018-01-30 00:37:12,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-30 00:37:12,852 INFO L93 Difference]: Finished difference Result 270 states and 287 transitions. [2018-01-30 00:37:12,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-01-30 00:37:12,852 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 36 [2018-01-30 00:37:12,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-30 00:37:12,853 INFO L225 Difference]: With dead ends: 270 [2018-01-30 00:37:12,853 INFO L226 Difference]: Without dead ends: 199 [2018-01-30 00:37:12,854 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 34 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2018-01-30 00:37:12,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2018-01-30 00:37:12,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 148. [2018-01-30 00:37:12,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2018-01-30 00:37:12,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 157 transitions. [2018-01-30 00:37:12,864 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 157 transitions. Word has length 36 [2018-01-30 00:37:12,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-30 00:37:12,865 INFO L432 AbstractCegarLoop]: Abstraction has 148 states and 157 transitions. [2018-01-30 00:37:12,865 INFO L433 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-01-30 00:37:12,865 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 157 transitions. [2018-01-30 00:37:12,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-01-30 00:37:12,866 INFO L342 BasicCegarLoop]: Found error trace [2018-01-30 00:37:12,866 INFO L350 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-30 00:37:12,867 INFO L371 AbstractCegarLoop]: === Iteration 11 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-01-30 00:37:12,867 INFO L82 PathProgramCache]: Analyzing trace with hash 815685530, now seen corresponding path program 1 times [2018-01-30 00:37:12,867 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-30 00:37:12,867 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-30 00:37:12,868 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:37:12,869 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 00:37:12,869 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:37:12,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:37:12,879 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-30 00:37:13,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:37:13,008 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-30 00:37:13,008 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-30 00:37:13,009 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-30 00:37:13,009 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-30 00:37:13,009 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-30 00:37:13,009 INFO L87 Difference]: Start difference. First operand 148 states and 157 transitions. Second operand 5 states. [2018-01-30 00:37:13,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-30 00:37:13,144 INFO L93 Difference]: Finished difference Result 225 states and 238 transitions. [2018-01-30 00:37:13,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-30 00:37:13,145 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 38 [2018-01-30 00:37:13,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-30 00:37:13,146 INFO L225 Difference]: With dead ends: 225 [2018-01-30 00:37:13,146 INFO L226 Difference]: Without dead ends: 152 [2018-01-30 00:37:13,147 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-01-30 00:37:13,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2018-01-30 00:37:13,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 146. [2018-01-30 00:37:13,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-01-30 00:37:13,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 153 transitions. [2018-01-30 00:37:13,158 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 153 transitions. Word has length 38 [2018-01-30 00:37:13,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-30 00:37:13,158 INFO L432 AbstractCegarLoop]: Abstraction has 146 states and 153 transitions. [2018-01-30 00:37:13,158 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-30 00:37:13,158 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 153 transitions. [2018-01-30 00:37:13,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-01-30 00:37:13,159 INFO L342 BasicCegarLoop]: Found error trace [2018-01-30 00:37:13,159 INFO L350 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-30 00:37:13,160 INFO L371 AbstractCegarLoop]: === Iteration 12 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-01-30 00:37:13,160 INFO L82 PathProgramCache]: Analyzing trace with hash -494330149, now seen corresponding path program 1 times [2018-01-30 00:37:13,160 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-30 00:37:13,160 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-30 00:37:13,161 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:37:13,161 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 00:37:13,162 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:37:13,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:37:13,172 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-30 00:37:13,241 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:37:13,241 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-30 00:37:13,241 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-30 00:37:13,251 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 00:37:13,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:37:13,278 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-30 00:37:13,283 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 13 treesize of output 10 [2018-01-30 00:37:13,289 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 10 treesize of output 9 [2018-01-30 00:37:13,290 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:13,291 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:13,293 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:13,293 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:13, output treesize:9 [2018-01-30 00:37:13,299 INFO L477 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 19 treesize of output 15 [2018-01-30 00:37:13,301 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 3 [2018-01-30 00:37:13,301 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:13,302 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:13,311 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:13,311 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:19, output treesize:3 [2018-01-30 00:37:13,320 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-01-30 00:37:13,353 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-01-30 00:37:13,353 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 9 [2018-01-30 00:37:13,353 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-01-30 00:37:13,353 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-01-30 00:37:13,353 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-01-30 00:37:13,353 INFO L87 Difference]: Start difference. First operand 146 states and 153 transitions. Second operand 9 states. [2018-01-30 00:37:13,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-30 00:37:13,665 INFO L93 Difference]: Finished difference Result 209 states and 219 transitions. [2018-01-30 00:37:13,665 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-01-30 00:37:13,665 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 45 [2018-01-30 00:37:13,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-30 00:37:13,666 INFO L225 Difference]: With dead ends: 209 [2018-01-30 00:37:13,667 INFO L226 Difference]: Without dead ends: 173 [2018-01-30 00:37:13,667 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 44 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=233, Unknown=0, NotChecked=0, Total=306 [2018-01-30 00:37:13,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2018-01-30 00:37:13,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 141. [2018-01-30 00:37:13,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-01-30 00:37:13,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 147 transitions. [2018-01-30 00:37:13,676 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 147 transitions. Word has length 45 [2018-01-30 00:37:13,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-30 00:37:13,676 INFO L432 AbstractCegarLoop]: Abstraction has 141 states and 147 transitions. [2018-01-30 00:37:13,676 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-01-30 00:37:13,677 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 147 transitions. [2018-01-30 00:37:13,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-01-30 00:37:13,677 INFO L342 BasicCegarLoop]: Found error trace [2018-01-30 00:37:13,678 INFO L350 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-30 00:37:13,678 INFO L371 AbstractCegarLoop]: === Iteration 13 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-01-30 00:37:13,678 INFO L82 PathProgramCache]: Analyzing trace with hash 431286033, now seen corresponding path program 1 times [2018-01-30 00:37:13,678 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-30 00:37:13,678 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-30 00:37:13,679 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:37:13,680 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 00:37:13,680 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:37:13,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:37:13,691 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-30 00:37:13,821 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:37:13,821 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-30 00:37:13,821 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-30 00:37:13,831 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 00:37:13,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:37:13,866 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-30 00:37:13,898 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 19 treesize of output 16 [2018-01-30 00:37:13,899 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 16 treesize of output 1 [2018-01-30 00:37:13,899 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:13,900 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:13,901 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:13,901 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:23, output treesize:3 [2018-01-30 00:37:14,033 INFO L477 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 11 [2018-01-30 00:37:14,054 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 8 [2018-01-30 00:37:14,055 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-01-30 00:37:14,058 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-30 00:37:14,067 INFO L477 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 11 [2018-01-30 00:37:14,074 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 8 [2018-01-30 00:37:14,075 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-01-30 00:37:14,086 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-30 00:37:14,097 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-01-30 00:37:14,097 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:35, output treesize:18 [2018-01-30 00:37:14,224 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:37:14,255 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-30 00:37:14,255 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11] total 16 [2018-01-30 00:37:14,256 INFO L409 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-01-30 00:37:14,256 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-01-30 00:37:14,256 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=200, Unknown=4, NotChecked=0, Total=240 [2018-01-30 00:37:14,256 INFO L87 Difference]: Start difference. First operand 141 states and 147 transitions. Second operand 16 states. [2018-01-30 00:37:15,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-30 00:37:15,244 INFO L93 Difference]: Finished difference Result 222 states and 233 transitions. [2018-01-30 00:37:15,244 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-01-30 00:37:15,244 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 48 [2018-01-30 00:37:15,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-30 00:37:15,245 INFO L225 Difference]: With dead ends: 222 [2018-01-30 00:37:15,245 INFO L226 Difference]: Without dead ends: 191 [2018-01-30 00:37:15,246 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 44 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=153, Invalid=650, Unknown=9, NotChecked=0, Total=812 [2018-01-30 00:37:15,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2018-01-30 00:37:15,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 157. [2018-01-30 00:37:15,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2018-01-30 00:37:15,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 164 transitions. [2018-01-30 00:37:15,255 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 164 transitions. Word has length 48 [2018-01-30 00:37:15,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-30 00:37:15,256 INFO L432 AbstractCegarLoop]: Abstraction has 157 states and 164 transitions. [2018-01-30 00:37:15,256 INFO L433 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-01-30 00:37:15,256 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 164 transitions. [2018-01-30 00:37:15,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-01-30 00:37:15,257 INFO L342 BasicCegarLoop]: Found error trace [2018-01-30 00:37:15,257 INFO L350 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-30 00:37:15,257 INFO L371 AbstractCegarLoop]: === Iteration 14 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-01-30 00:37:15,258 INFO L82 PathProgramCache]: Analyzing trace with hash 484964627, now seen corresponding path program 1 times [2018-01-30 00:37:15,258 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-30 00:37:15,258 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-30 00:37:15,259 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:37:15,260 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 00:37:15,260 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:37:15,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:37:15,271 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-30 00:37:15,434 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-01-30 00:37:15,435 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-30 00:37:15,435 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-30 00:37:15,442 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 00:37:15,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:37:15,468 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-30 00:37:15,574 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-01-30 00:37:15,608 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-30 00:37:15,608 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 7] total 9 [2018-01-30 00:37:15,608 INFO L409 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-01-30 00:37:15,609 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-01-30 00:37:15,609 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=63, Unknown=6, NotChecked=0, Total=90 [2018-01-30 00:37:15,609 INFO L87 Difference]: Start difference. First operand 157 states and 164 transitions. Second operand 10 states. [2018-01-30 00:37:16,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-30 00:37:16,008 INFO L93 Difference]: Finished difference Result 174 states and 180 transitions. [2018-01-30 00:37:16,064 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-01-30 00:37:16,064 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 49 [2018-01-30 00:37:16,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-30 00:37:16,065 INFO L225 Difference]: With dead ends: 174 [2018-01-30 00:37:16,065 INFO L226 Difference]: Without dead ends: 138 [2018-01-30 00:37:16,065 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=150, Unknown=6, NotChecked=0, Total=210 [2018-01-30 00:37:16,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2018-01-30 00:37:16,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 136. [2018-01-30 00:37:16,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2018-01-30 00:37:16,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 142 transitions. [2018-01-30 00:37:16,073 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 142 transitions. Word has length 49 [2018-01-30 00:37:16,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-30 00:37:16,073 INFO L432 AbstractCegarLoop]: Abstraction has 136 states and 142 transitions. [2018-01-30 00:37:16,073 INFO L433 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-01-30 00:37:16,074 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 142 transitions. [2018-01-30 00:37:16,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-01-30 00:37:16,074 INFO L342 BasicCegarLoop]: Found error trace [2018-01-30 00:37:16,074 INFO L350 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-30 00:37:16,075 INFO L371 AbstractCegarLoop]: === Iteration 15 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-01-30 00:37:16,075 INFO L82 PathProgramCache]: Analyzing trace with hash -1494848415, now seen corresponding path program 1 times [2018-01-30 00:37:16,075 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-30 00:37:16,075 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-30 00:37:16,076 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:37:16,076 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 00:37:16,077 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:37:16,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:37:16,091 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-30 00:37:16,231 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:37:16,232 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-30 00:37:16,232 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-30 00:37:16,244 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 00:37:16,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:37:16,262 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-30 00:37:16,270 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:16,273 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:16,274 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-01-30 00:37:16,274 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:16,281 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:16,281 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:21 [2018-01-30 00:37:16,302 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-01-30 00:37:16,304 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-01-30 00:37:16,304 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:16,305 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:16,312 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:16,312 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:32, output treesize:29 [2018-01-30 00:37:16,359 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:16,362 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 37 [2018-01-30 00:37:16,364 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-01-30 00:37:16,364 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:16,369 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:16,374 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:16,374 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:41, output treesize:37 [2018-01-30 00:37:16,412 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 50 [2018-01-30 00:37:16,415 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:16,416 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2018-01-30 00:37:16,416 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:16,421 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:16,425 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-30 00:37:16,425 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:65, output treesize:34 [2018-01-30 00:37:16,571 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2018-01-30 00:37:16,573 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-01-30 00:37:16,574 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:16,579 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 10 [2018-01-30 00:37:16,580 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:16,582 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:16,588 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-30 00:37:16,588 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:41, output treesize:15 [2018-01-30 00:37:16,632 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:37:16,652 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-30 00:37:16,652 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2018-01-30 00:37:16,653 INFO L409 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-01-30 00:37:16,653 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-01-30 00:37:16,653 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=382, Unknown=0, NotChecked=0, Total=462 [2018-01-30 00:37:16,653 INFO L87 Difference]: Start difference. First operand 136 states and 142 transitions. Second operand 22 states. [2018-01-30 00:37:17,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-30 00:37:17,443 INFO L93 Difference]: Finished difference Result 235 states and 246 transitions. [2018-01-30 00:37:17,443 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-01-30 00:37:17,443 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 50 [2018-01-30 00:37:17,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-30 00:37:17,444 INFO L225 Difference]: With dead ends: 235 [2018-01-30 00:37:17,444 INFO L226 Difference]: Without dead ends: 234 [2018-01-30 00:37:17,444 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 41 SyntacticMatches, 2 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=223, Invalid=833, Unknown=0, NotChecked=0, Total=1056 [2018-01-30 00:37:17,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2018-01-30 00:37:17,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 172. [2018-01-30 00:37:17,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2018-01-30 00:37:17,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 182 transitions. [2018-01-30 00:37:17,453 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 182 transitions. Word has length 50 [2018-01-30 00:37:17,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-30 00:37:17,454 INFO L432 AbstractCegarLoop]: Abstraction has 172 states and 182 transitions. [2018-01-30 00:37:17,454 INFO L433 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-01-30 00:37:17,454 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 182 transitions. [2018-01-30 00:37:17,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-01-30 00:37:17,455 INFO L342 BasicCegarLoop]: Found error trace [2018-01-30 00:37:17,455 INFO L350 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-30 00:37:17,455 INFO L371 AbstractCegarLoop]: === Iteration 16 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-01-30 00:37:17,455 INFO L82 PathProgramCache]: Analyzing trace with hash -1494848414, now seen corresponding path program 1 times [2018-01-30 00:37:17,455 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-30 00:37:17,455 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-30 00:37:17,456 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:37:17,457 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 00:37:17,457 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:37:17,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:37:17,473 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-30 00:37:17,685 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:37:17,685 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-30 00:37:17,685 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-30 00:37:17,691 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 00:37:17,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:37:17,711 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-30 00:37:17,720 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:17,724 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:17,725 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-01-30 00:37:17,725 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:17,735 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-01-30 00:37:17,736 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:17,742 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:17,742 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:26, output treesize:19 [2018-01-30 00:37:17,750 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-01-30 00:37:17,752 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-01-30 00:37:17,752 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:17,757 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:17,773 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-01-30 00:37:17,776 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-01-30 00:37:17,776 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:17,780 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:17,787 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:17,788 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:38, output treesize:31 [2018-01-30 00:37:17,834 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:17,838 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 37 [2018-01-30 00:37:17,839 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-01-30 00:37:17,840 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:17,845 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:17,854 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:17,857 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 24 [2018-01-30 00:37:17,858 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 12 treesize of output 11 [2018-01-30 00:37:17,859 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:17,862 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:17,869 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:17,869 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:54, output treesize:50 [2018-01-30 00:37:17,896 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 92 [2018-01-30 00:37:17,898 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:17,899 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2018-01-30 00:37:17,900 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:17,909 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:17,923 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 45 [2018-01-30 00:37:17,935 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:17,937 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2018-01-30 00:37:17,938 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:17,946 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:17,952 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-30 00:37:17,952 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:109, output treesize:47 [2018-01-30 00:37:18,020 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 33 [2018-01-30 00:37:18,022 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-01-30 00:37:18,022 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:18,028 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 17 [2018-01-30 00:37:18,029 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:18,032 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:18,040 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2018-01-30 00:37:18,041 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-01-30 00:37:18,041 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:18,045 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-01-30 00:37:18,046 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:18,047 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:18,050 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:18,050 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 5 variables, input treesize:61, output treesize:9 [2018-01-30 00:37:18,068 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:37:18,088 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-30 00:37:18,088 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12] total 17 [2018-01-30 00:37:18,088 INFO L409 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-01-30 00:37:18,088 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-01-30 00:37:18,089 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=256, Unknown=0, NotChecked=0, Total=306 [2018-01-30 00:37:18,089 INFO L87 Difference]: Start difference. First operand 172 states and 182 transitions. Second operand 18 states. [2018-01-30 00:37:18,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-30 00:37:18,932 INFO L93 Difference]: Finished difference Result 243 states and 255 transitions. [2018-01-30 00:37:18,932 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-01-30 00:37:18,933 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 50 [2018-01-30 00:37:18,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-30 00:37:18,934 INFO L225 Difference]: With dead ends: 243 [2018-01-30 00:37:18,934 INFO L226 Difference]: Without dead ends: 240 [2018-01-30 00:37:18,934 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 42 SyntacticMatches, 6 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=171, Invalid=759, Unknown=0, NotChecked=0, Total=930 [2018-01-30 00:37:18,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2018-01-30 00:37:18,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 177. [2018-01-30 00:37:18,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2018-01-30 00:37:18,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 187 transitions. [2018-01-30 00:37:18,944 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 187 transitions. Word has length 50 [2018-01-30 00:37:18,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-30 00:37:18,944 INFO L432 AbstractCegarLoop]: Abstraction has 177 states and 187 transitions. [2018-01-30 00:37:18,945 INFO L433 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-01-30 00:37:18,945 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 187 transitions. [2018-01-30 00:37:18,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-01-30 00:37:18,945 INFO L342 BasicCegarLoop]: Found error trace [2018-01-30 00:37:18,946 INFO L350 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-30 00:37:18,946 INFO L371 AbstractCegarLoop]: === Iteration 17 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-01-30 00:37:18,946 INFO L82 PathProgramCache]: Analyzing trace with hash -595597002, now seen corresponding path program 1 times [2018-01-30 00:37:18,946 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-30 00:37:18,946 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-30 00:37:18,947 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:37:18,948 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 00:37:18,948 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:37:18,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:37:18,966 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-30 00:37:19,353 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:37:19,353 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-30 00:37:19,353 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-30 00:37:19,362 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 00:37:19,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:37:19,397 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-30 00:37:19,414 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:19,414 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:19,415 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-01-30 00:37:19,415 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:19,420 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:19,420 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:11 [2018-01-30 00:37:19,428 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-01-30 00:37:19,431 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-01-30 00:37:19,431 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:19,433 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:19,469 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:19,469 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:20 [2018-01-30 00:37:19,565 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 20 [2018-01-30 00:37:19,568 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-01-30 00:37:19,568 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:19,573 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:19,580 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:19,580 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:36, output treesize:24 [2018-01-30 00:37:19,618 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 33 [2018-01-30 00:37:19,621 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:19,622 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2018-01-30 00:37:19,622 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:19,627 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:19,634 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:19,634 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:43, output treesize:24 [2018-01-30 00:37:19,637 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:19,638 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:19,638 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-01-30 00:37:19,639 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:19,644 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:19,644 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:23 [2018-01-30 00:37:19,673 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 25 [2018-01-30 00:37:19,676 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 7 [2018-01-30 00:37:19,676 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:19,680 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:19,687 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:19,687 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:39, output treesize:25 [2018-01-30 00:37:19,760 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:19,773 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 65 [2018-01-30 00:37:19,777 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 61 treesize of output 60 [2018-01-30 00:37:19,778 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:19,818 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 39 [2018-01-30 00:37:19,818 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-01-30 00:37:19,842 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-30 00:37:19,856 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-01-30 00:37:19,857 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:52, output treesize:77 [2018-01-30 00:37:19,902 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 50 [2018-01-30 00:37:19,905 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:19,907 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2018-01-30 00:37:19,907 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:19,912 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:19,957 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 88 treesize of output 76 [2018-01-30 00:37:19,961 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:19,964 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 67 [2018-01-30 00:37:19,965 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:19,995 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:20,006 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 70 [2018-01-30 00:37:20,007 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-01-30 00:37:20,024 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-30 00:37:20,042 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 4 dim-0 vars, and 3 xjuncts. [2018-01-30 00:37:20,043 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 5 variables, input treesize:149, output treesize:106 [2018-01-30 00:37:22,129 WARN L146 SmtUtils]: Spent 2049ms on a formula simplification. DAG size of input: 37 DAG size of output 30 [2018-01-30 00:37:22,195 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 43 [2018-01-30 00:37:22,201 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 31 [2018-01-30 00:37:22,202 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-01-30 00:37:22,221 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 27 [2018-01-30 00:37:22,221 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:22,239 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 22 [2018-01-30 00:37:22,240 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:22,256 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 14 [2018-01-30 00:37:22,256 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:22,257 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 14 [2018-01-30 00:37:22,257 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:22,270 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2018-01-30 00:37:22,271 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:22,277 INFO L267 ElimStorePlain]: Start of recursive call 2: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:22,286 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2018-01-30 00:37:22,288 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-01-30 00:37:22,288 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:22,292 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 10 [2018-01-30 00:37:22,292 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:22,295 INFO L267 ElimStorePlain]: Start of recursive call 9: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:22,300 INFO L267 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:22,300 INFO L202 ElimStorePlain]: Needed 11 recursive calls to eliminate 9 variables, input treesize:89, output treesize:5 [2018-01-30 00:37:22,320 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:37:22,341 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-30 00:37:22,341 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 17] total 23 [2018-01-30 00:37:22,341 INFO L409 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-01-30 00:37:22,341 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-01-30 00:37:22,341 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=479, Unknown=1, NotChecked=0, Total=552 [2018-01-30 00:37:22,341 INFO L87 Difference]: Start difference. First operand 177 states and 187 transitions. Second operand 24 states. [2018-01-30 00:37:23,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-30 00:37:23,828 INFO L93 Difference]: Finished difference Result 271 states and 285 transitions. [2018-01-30 00:37:23,828 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-01-30 00:37:23,829 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 57 [2018-01-30 00:37:23,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-30 00:37:23,830 INFO L225 Difference]: With dead ends: 271 [2018-01-30 00:37:23,830 INFO L226 Difference]: Without dead ends: 270 [2018-01-30 00:37:23,830 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 44 SyntacticMatches, 10 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 488 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=298, Invalid=1681, Unknown=1, NotChecked=0, Total=1980 [2018-01-30 00:37:23,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2018-01-30 00:37:23,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 211. [2018-01-30 00:37:23,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2018-01-30 00:37:23,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 224 transitions. [2018-01-30 00:37:23,843 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 224 transitions. Word has length 57 [2018-01-30 00:37:23,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-30 00:37:23,843 INFO L432 AbstractCegarLoop]: Abstraction has 211 states and 224 transitions. [2018-01-30 00:37:23,843 INFO L433 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-01-30 00:37:23,843 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 224 transitions. [2018-01-30 00:37:23,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-01-30 00:37:23,844 INFO L342 BasicCegarLoop]: Found error trace [2018-01-30 00:37:23,844 INFO L350 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-30 00:37:23,844 INFO L371 AbstractCegarLoop]: === Iteration 18 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-01-30 00:37:23,845 INFO L82 PathProgramCache]: Analyzing trace with hash -595597001, now seen corresponding path program 1 times [2018-01-30 00:37:23,845 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-30 00:37:23,845 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-30 00:37:23,846 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:37:23,846 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 00:37:23,846 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:37:23,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:37:23,863 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-30 00:37:24,204 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:37:24,204 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-30 00:37:24,212 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-30 00:37:24,219 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 00:37:24,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:37:24,246 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-30 00:37:24,260 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:24,260 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:24,261 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-01-30 00:37:24,261 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:24,272 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-01-30 00:37:24,272 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:24,280 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:24,281 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:32, output treesize:29 [2018-01-30 00:37:24,307 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-01-30 00:37:24,309 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-01-30 00:37:24,309 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:24,311 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:24,322 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-01-30 00:37:24,324 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-01-30 00:37:24,324 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:24,325 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:24,335 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:24,335 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:48, output treesize:45 [2018-01-30 00:37:24,393 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 24 [2018-01-30 00:37:24,395 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 12 treesize of output 11 [2018-01-30 00:37:24,395 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:24,399 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:24,412 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 31 [2018-01-30 00:37:24,414 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-01-30 00:37:24,414 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:24,419 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:24,429 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:24,430 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:56, output treesize:52 [2018-01-30 00:37:24,477 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 44 [2018-01-30 00:37:24,480 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:24,481 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 37 [2018-01-30 00:37:24,482 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:24,534 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:24,603 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 44 [2018-01-30 00:37:24,609 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:24,610 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2018-01-30 00:37:24,610 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:24,617 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:24,627 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:24,627 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:90, output treesize:52 [2018-01-30 00:37:24,631 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:24,632 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:24,632 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:24,633 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2018-01-30 00:37:24,633 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:24,649 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 19 [2018-01-30 00:37:24,649 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:24,661 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:24,661 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:63, output treesize:59 [2018-01-30 00:37:24,699 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 45 [2018-01-30 00:37:24,702 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 7 [2018-01-30 00:37:24,703 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:24,710 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:24,732 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 36 [2018-01-30 00:37:24,734 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 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 18 treesize of output 11 [2018-01-30 00:37:24,735 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:24,740 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:24,753 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:24,753 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:81, output treesize:53 [2018-01-30 00:37:24,884 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:24,885 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:24,892 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 81 [2018-01-30 00:37:24,895 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-01-30 00:37:24,895 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:24,907 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:24,923 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:24,927 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 28 [2018-01-30 00:37:24,929 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 16 treesize of output 15 [2018-01-30 00:37:24,929 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:24,935 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:24,948 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-30 00:37:24,948 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:99, output treesize:91 [2018-01-30 00:37:25,010 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 175 treesize of output 128 [2018-01-30 00:37:25,013 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:25,015 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 22 [2018-01-30 00:37:25,015 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:25,028 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:25,047 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 57 [2018-01-30 00:37:25,049 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:25,050 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 22 [2018-01-30 00:37:25,051 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:25,055 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:25,066 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-01-30 00:37:25,066 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:182, output treesize:96 [2018-01-30 00:37:25,190 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 59 [2018-01-30 00:37:25,193 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2018-01-30 00:37:25,194 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-30 00:37:25,210 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 14 [2018-01-30 00:37:25,210 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:25,224 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-01-30 00:37:25,224 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:25,249 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-30 00:37:25,278 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2018-01-30 00:37:25,280 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-01-30 00:37:25,280 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:25,287 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-01-30 00:37:25,287 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:25,289 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:25,307 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-30 00:37:25,308 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 6 variables, input treesize:110, output treesize:18 [2018-01-30 00:37:25,437 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:37:25,472 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-30 00:37:25,472 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17] total 29 [2018-01-30 00:37:25,473 INFO L409 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-01-30 00:37:25,473 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-01-30 00:37:25,473 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=761, Unknown=0, NotChecked=0, Total=870 [2018-01-30 00:37:25,473 INFO L87 Difference]: Start difference. First operand 211 states and 224 transitions. Second operand 30 states. [2018-01-30 00:37:27,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-30 00:37:27,313 INFO L93 Difference]: Finished difference Result 327 states and 344 transitions. [2018-01-30 00:37:27,313 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-01-30 00:37:27,313 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 57 [2018-01-30 00:37:27,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-30 00:37:27,316 INFO L225 Difference]: With dead ends: 327 [2018-01-30 00:37:27,316 INFO L226 Difference]: Without dead ends: 324 [2018-01-30 00:37:27,316 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 44 SyntacticMatches, 5 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 703 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=337, Invalid=2213, Unknown=0, NotChecked=0, Total=2550 [2018-01-30 00:37:27,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2018-01-30 00:37:27,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 186. [2018-01-30 00:37:27,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2018-01-30 00:37:27,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 196 transitions. [2018-01-30 00:37:27,328 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 196 transitions. Word has length 57 [2018-01-30 00:37:27,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-30 00:37:27,329 INFO L432 AbstractCegarLoop]: Abstraction has 186 states and 196 transitions. [2018-01-30 00:37:27,329 INFO L433 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-01-30 00:37:27,329 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 196 transitions. [2018-01-30 00:37:27,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-01-30 00:37:27,330 INFO L342 BasicCegarLoop]: Found error trace [2018-01-30 00:37:27,330 INFO L350 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-30 00:37:27,330 INFO L371 AbstractCegarLoop]: === Iteration 19 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-01-30 00:37:27,330 INFO L82 PathProgramCache]: Analyzing trace with hash 1956914401, now seen corresponding path program 2 times [2018-01-30 00:37:27,330 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-30 00:37:27,330 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-30 00:37:27,331 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:37:27,332 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 00:37:27,332 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:37:27,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:37:27,344 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-30 00:37:27,713 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:37:27,713 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-30 00:37:27,713 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-30 00:37:27,718 INFO L101 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-01-30 00:37:27,729 INFO L201 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-30 00:37:27,736 INFO L214 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-30 00:37:27,739 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-30 00:37:27,741 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-30 00:37:27,795 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:27,796 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:27,796 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-01-30 00:37:27,796 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:27,802 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:27,802 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:17 [2018-01-30 00:37:27,825 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 11 treesize of output 8 [2018-01-30 00:37:27,827 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-01-30 00:37:27,827 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:27,830 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:27,840 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 11 treesize of output 8 [2018-01-30 00:37:27,842 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-01-30 00:37:27,842 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:27,844 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:27,851 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:27,851 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:36, output treesize:25 [2018-01-30 00:37:27,912 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:27,915 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 28 [2018-01-30 00:37:27,917 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 11 [2018-01-30 00:37:27,917 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:27,922 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:27,932 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:27,935 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2018-01-30 00:37:27,937 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 12 treesize of output 15 [2018-01-30 00:37:27,937 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:27,943 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:27,952 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:27,952 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:58, output treesize:59 [2018-01-30 00:37:27,984 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 107 [2018-01-30 00:37:27,987 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:27,989 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2018-01-30 00:37:27,989 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:27,996 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:28,008 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 72 [2018-01-30 00:37:28,011 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:28,012 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2018-01-30 00:37:28,013 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:28,018 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:28,024 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:28,024 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:127, output treesize:49 [2018-01-30 00:37:28,178 INFO L682 Elim1Store]: detected equality via solver [2018-01-30 00:37:28,180 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 63 [2018-01-30 00:37:28,182 INFO L682 Elim1Store]: detected equality via solver [2018-01-30 00:37:28,182 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 26 [2018-01-30 00:37:28,183 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:28,191 INFO L682 Elim1Store]: detected equality via solver [2018-01-30 00:37:28,192 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 30 [2018-01-30 00:37:28,192 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-30 00:37:28,198 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-30 00:37:28,207 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 29 [2018-01-30 00:37:28,214 INFO L682 Elim1Store]: detected equality via solver [2018-01-30 00:37:28,215 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2018-01-30 00:37:28,215 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:28,233 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-01-30 00:37:28,233 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:28,236 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:28,241 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:28,241 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:82, output treesize:7 [2018-01-30 00:37:28,261 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:37:28,281 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-30 00:37:28,282 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 17] total 28 [2018-01-30 00:37:28,282 INFO L409 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-01-30 00:37:28,282 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-01-30 00:37:28,282 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=671, Unknown=2, NotChecked=0, Total=756 [2018-01-30 00:37:28,282 INFO L87 Difference]: Start difference. First operand 186 states and 196 transitions. Second operand 28 states. [2018-01-30 00:37:29,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-30 00:37:29,358 INFO L93 Difference]: Finished difference Result 338 states and 357 transitions. [2018-01-30 00:37:29,358 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-01-30 00:37:29,358 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 58 [2018-01-30 00:37:29,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-30 00:37:29,359 INFO L225 Difference]: With dead ends: 338 [2018-01-30 00:37:29,359 INFO L226 Difference]: Without dead ends: 272 [2018-01-30 00:37:29,360 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 48 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 524 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=396, Invalid=2051, Unknown=3, NotChecked=0, Total=2450 [2018-01-30 00:37:29,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2018-01-30 00:37:29,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 218. [2018-01-30 00:37:29,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2018-01-30 00:37:29,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 231 transitions. [2018-01-30 00:37:29,376 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 231 transitions. Word has length 58 [2018-01-30 00:37:29,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-30 00:37:29,377 INFO L432 AbstractCegarLoop]: Abstraction has 218 states and 231 transitions. [2018-01-30 00:37:29,377 INFO L433 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-01-30 00:37:29,377 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 231 transitions. [2018-01-30 00:37:29,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-01-30 00:37:29,378 INFO L342 BasicCegarLoop]: Found error trace [2018-01-30 00:37:29,378 INFO L350 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-30 00:37:29,378 INFO L371 AbstractCegarLoop]: === Iteration 20 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-01-30 00:37:29,378 INFO L82 PathProgramCache]: Analyzing trace with hash -1627900210, now seen corresponding path program 1 times [2018-01-30 00:37:29,378 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-30 00:37:29,379 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-30 00:37:29,379 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:37:29,380 INFO L99 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-01-30 00:37:29,380 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:37:29,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:37:29,392 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-30 00:37:29,659 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:37:29,659 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-30 00:37:29,659 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-30 00:37:29,664 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 00:37:29,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:37:29,685 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-30 00:37:29,690 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:29,691 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:29,691 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-01-30 00:37:29,692 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:29,695 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:29,696 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:14 [2018-01-30 00:37:29,712 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-01-30 00:37:29,713 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-01-30 00:37:29,713 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:29,714 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:29,721 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-01-30 00:37:29,723 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-01-30 00:37:29,723 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:29,724 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:29,729 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:29,729 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:33, output treesize:22 [2018-01-30 00:37:29,780 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:29,783 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 31 [2018-01-30 00:37:29,785 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 12 treesize of output 15 [2018-01-30 00:37:29,785 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:29,790 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:29,800 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:29,802 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 43 [2018-01-30 00:37:29,804 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 11 [2018-01-30 00:37:29,804 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:29,809 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:29,816 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:29,816 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:55, output treesize:56 [2018-01-30 00:37:29,843 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 111 [2018-01-30 00:37:29,845 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:29,846 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2018-01-30 00:37:29,846 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:29,854 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:29,865 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 68 [2018-01-30 00:37:29,867 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:29,868 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2018-01-30 00:37:29,868 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:29,872 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:29,877 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:29,877 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:124, output treesize:46 [2018-01-30 00:37:29,975 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 56 [2018-01-30 00:37:29,977 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-01-30 00:37:29,978 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:29,986 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 27 [2018-01-30 00:37:29,986 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-30 00:37:29,992 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-30 00:37:30,000 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 29 [2018-01-30 00:37:30,001 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 14 [2018-01-30 00:37:30,002 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:30,006 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-01-30 00:37:30,006 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:30,008 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:30,011 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:30,011 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:76, output treesize:7 [2018-01-30 00:37:30,030 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:37:30,050 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-30 00:37:30,050 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 24 [2018-01-30 00:37:30,051 INFO L409 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-01-30 00:37:30,051 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-01-30 00:37:30,051 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=487, Unknown=1, NotChecked=0, Total=552 [2018-01-30 00:37:30,051 INFO L87 Difference]: Start difference. First operand 218 states and 231 transitions. Second operand 24 states. [2018-01-30 00:37:30,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-30 00:37:30,966 INFO L93 Difference]: Finished difference Result 315 states and 331 transitions. [2018-01-30 00:37:30,966 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-01-30 00:37:30,966 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 60 [2018-01-30 00:37:30,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-30 00:37:30,967 INFO L225 Difference]: With dead ends: 315 [2018-01-30 00:37:30,968 INFO L226 Difference]: Without dead ends: 243 [2018-01-30 00:37:30,968 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 52 SyntacticMatches, 3 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 371 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=221, Invalid=1417, Unknown=2, NotChecked=0, Total=1640 [2018-01-30 00:37:30,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2018-01-30 00:37:30,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 218. [2018-01-30 00:37:30,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2018-01-30 00:37:30,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 230 transitions. [2018-01-30 00:37:30,976 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 230 transitions. Word has length 60 [2018-01-30 00:37:30,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-30 00:37:30,976 INFO L432 AbstractCegarLoop]: Abstraction has 218 states and 230 transitions. [2018-01-30 00:37:30,976 INFO L433 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-01-30 00:37:30,976 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 230 transitions. [2018-01-30 00:37:30,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-01-30 00:37:30,977 INFO L342 BasicCegarLoop]: Found error trace [2018-01-30 00:37:30,977 INFO L350 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-30 00:37:30,977 INFO L371 AbstractCegarLoop]: === Iteration 21 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-01-30 00:37:30,977 INFO L82 PathProgramCache]: Analyzing trace with hash -1447738913, now seen corresponding path program 1 times [2018-01-30 00:37:30,977 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-30 00:37:30,977 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-30 00:37:30,978 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:37:30,978 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 00:37:30,978 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:37:30,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:37:30,988 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-30 00:37:31,150 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-01-30 00:37:31,151 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-30 00:37:31,151 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-30 00:37:31,156 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 00:37:31,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:37:31,181 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-30 00:37:31,223 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:31,224 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:31,225 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-01-30 00:37:31,225 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:31,230 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:31,230 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:18 [2018-01-30 00:37:31,247 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 11 treesize of output 8 [2018-01-30 00:37:31,248 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-01-30 00:37:31,248 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:31,258 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:31,264 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:31,265 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:29, output treesize:26 [2018-01-30 00:37:31,308 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:31,310 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 36 [2018-01-30 00:37:31,312 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-01-30 00:37:31,312 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:31,317 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:31,322 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:31,322 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:38, output treesize:34 [2018-01-30 00:37:31,344 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 49 [2018-01-30 00:37:31,346 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:31,347 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2018-01-30 00:37:31,348 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:31,352 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:31,357 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-30 00:37:31,357 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:62, output treesize:31 [2018-01-30 00:37:31,393 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 23 [2018-01-30 00:37:31,400 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 9 [2018-01-30 00:37:31,401 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:31,413 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-01-30 00:37:31,414 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:31,416 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:31,420 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:31,420 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:38, output treesize:8 [2018-01-30 00:37:31,473 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-01-30 00:37:31,493 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-30 00:37:31,493 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 14] total 23 [2018-01-30 00:37:31,493 INFO L409 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-01-30 00:37:31,493 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-01-30 00:37:31,493 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=437, Unknown=0, NotChecked=0, Total=506 [2018-01-30 00:37:31,493 INFO L87 Difference]: Start difference. First operand 218 states and 230 transitions. Second operand 23 states. [2018-01-30 00:37:32,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-30 00:37:32,292 INFO L93 Difference]: Finished difference Result 275 states and 288 transitions. [2018-01-30 00:37:32,292 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-01-30 00:37:32,292 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 63 [2018-01-30 00:37:32,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-30 00:37:32,293 INFO L225 Difference]: With dead ends: 275 [2018-01-30 00:37:32,293 INFO L226 Difference]: Without dead ends: 260 [2018-01-30 00:37:32,294 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 54 SyntacticMatches, 2 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 368 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=266, Invalid=1456, Unknown=0, NotChecked=0, Total=1722 [2018-01-30 00:37:32,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2018-01-30 00:37:32,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 230. [2018-01-30 00:37:32,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2018-01-30 00:37:32,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 241 transitions. [2018-01-30 00:37:32,302 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 241 transitions. Word has length 63 [2018-01-30 00:37:32,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-30 00:37:32,302 INFO L432 AbstractCegarLoop]: Abstraction has 230 states and 241 transitions. [2018-01-30 00:37:32,302 INFO L433 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-01-30 00:37:32,302 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 241 transitions. [2018-01-30 00:37:32,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-01-30 00:37:32,303 INFO L342 BasicCegarLoop]: Found error trace [2018-01-30 00:37:32,303 INFO L350 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-30 00:37:32,303 INFO L371 AbstractCegarLoop]: === Iteration 22 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-01-30 00:37:32,303 INFO L82 PathProgramCache]: Analyzing trace with hash -1279116011, now seen corresponding path program 3 times [2018-01-30 00:37:32,303 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-30 00:37:32,303 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-30 00:37:32,304 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:37:32,304 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 00:37:32,304 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:37:32,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:37:32,317 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-30 00:37:32,592 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:37:32,592 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-30 00:37:32,592 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-30 00:37:32,598 INFO L101 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-01-30 00:37:32,609 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-30 00:37:32,616 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-30 00:37:32,633 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-30 00:37:32,636 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-30 00:37:32,638 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-30 00:37:32,691 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:32,691 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:32,692 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-01-30 00:37:32,692 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:32,696 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:32,696 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:14 [2018-01-30 00:37:32,714 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 11 treesize of output 8 [2018-01-30 00:37:32,715 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-01-30 00:37:32,715 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:32,717 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:32,723 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:32,723 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:30, output treesize:23 [2018-01-30 00:37:32,784 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:32,787 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 28 [2018-01-30 00:37:32,788 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-01-30 00:37:32,788 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:32,792 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:32,797 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:32,798 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:35, output treesize:31 [2018-01-30 00:37:32,822 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:32,825 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 41 [2018-01-30 00:37:32,827 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:32,828 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2018-01-30 00:37:32,829 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:32,833 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:32,839 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:32,839 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:50, output treesize:31 [2018-01-30 00:37:32,841 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:32,842 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:32,842 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-01-30 00:37:32,842 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:32,848 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:32,848 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:36, output treesize:30 [2018-01-30 00:37:32,872 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:32,874 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 33 [2018-01-30 00:37:32,877 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 7 [2018-01-30 00:37:32,877 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:32,881 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:32,887 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:32,888 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:46, output treesize:32 [2018-01-30 00:37:32,970 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:32,983 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 65 [2018-01-30 00:37:32,985 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 61 treesize of output 60 [2018-01-30 00:37:32,986 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:33,021 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 39 [2018-01-30 00:37:33,021 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-01-30 00:37:33,042 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-30 00:37:33,058 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-01-30 00:37:33,058 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:55, output treesize:83 [2018-01-30 00:37:33,117 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 79 [2018-01-30 00:37:33,120 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:33,131 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 61 treesize of output 73 [2018-01-30 00:37:33,132 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-01-30 00:37:33,169 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:33,171 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 54 [2018-01-30 00:37:33,171 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:33,190 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-30 00:37:33,220 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 53 [2018-01-30 00:37:33,222 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:33,223 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2018-01-30 00:37:33,223 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:33,228 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:33,248 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 4 dim-0 vars, and 3 xjuncts. [2018-01-30 00:37:33,248 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 5 variables, input treesize:155, output treesize:115 [2018-01-30 00:37:33,390 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 54 [2018-01-30 00:37:33,392 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 39 [2018-01-30 00:37:33,392 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:33,413 INFO L682 Elim1Store]: detected equality via solver [2018-01-30 00:37:33,413 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 31 [2018-01-30 00:37:33,414 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:33,433 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 21 [2018-01-30 00:37:33,434 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:33,447 INFO L267 ElimStorePlain]: Start of recursive call 2: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:33,461 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 35 [2018-01-30 00:37:33,463 INFO L682 Elim1Store]: detected equality via solver [2018-01-30 00:37:33,463 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2018-01-30 00:37:33,463 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:33,471 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-01-30 00:37:33,471 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:33,475 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:33,483 INFO L267 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:33,484 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 9 variables, input treesize:101, output treesize:5 [2018-01-30 00:37:33,501 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:37:33,522 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-30 00:37:33,523 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 19] total 31 [2018-01-30 00:37:33,523 INFO L409 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-01-30 00:37:33,523 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-01-30 00:37:33,524 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=871, Unknown=1, NotChecked=0, Total=992 [2018-01-30 00:37:33,524 INFO L87 Difference]: Start difference. First operand 230 states and 241 transitions. Second operand 32 states. [2018-01-30 00:37:35,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-30 00:37:35,153 INFO L93 Difference]: Finished difference Result 329 states and 345 transitions. [2018-01-30 00:37:35,154 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-01-30 00:37:35,154 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 64 [2018-01-30 00:37:35,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-30 00:37:35,156 INFO L225 Difference]: With dead ends: 329 [2018-01-30 00:37:35,156 INFO L226 Difference]: Without dead ends: 328 [2018-01-30 00:37:35,157 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 51 SyntacticMatches, 3 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 867 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=573, Invalid=2966, Unknown=1, NotChecked=0, Total=3540 [2018-01-30 00:37:35,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2018-01-30 00:37:35,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 266. [2018-01-30 00:37:35,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2018-01-30 00:37:35,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 281 transitions. [2018-01-30 00:37:35,165 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 281 transitions. Word has length 64 [2018-01-30 00:37:35,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-30 00:37:35,166 INFO L432 AbstractCegarLoop]: Abstraction has 266 states and 281 transitions. [2018-01-30 00:37:35,166 INFO L433 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-01-30 00:37:35,166 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 281 transitions. [2018-01-30 00:37:35,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-01-30 00:37:35,166 INFO L342 BasicCegarLoop]: Found error trace [2018-01-30 00:37:35,166 INFO L350 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-30 00:37:35,166 INFO L371 AbstractCegarLoop]: === Iteration 23 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-01-30 00:37:35,167 INFO L82 PathProgramCache]: Analyzing trace with hash -1279116010, now seen corresponding path program 2 times [2018-01-30 00:37:35,167 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-30 00:37:35,167 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-30 00:37:35,167 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:37:35,168 INFO L99 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-01-30 00:37:35,168 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:37:35,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:37:35,177 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-30 00:37:35,557 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:37:35,558 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-30 00:37:35,558 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-30 00:37:35,565 INFO L101 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-01-30 00:37:35,585 INFO L201 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-30 00:37:35,596 INFO L214 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-30 00:37:35,599 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-30 00:37:35,603 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-30 00:37:35,699 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2018-01-30 00:37:35,699 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:35,712 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:35,712 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:35,713 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-01-30 00:37:35,713 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:35,724 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:35,724 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:35, output treesize:32 [2018-01-30 00:37:35,756 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 11 treesize of output 8 [2018-01-30 00:37:35,758 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-01-30 00:37:35,758 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:35,760 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:35,773 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 11 treesize of output 8 [2018-01-30 00:37:35,775 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-01-30 00:37:35,775 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:35,777 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:35,788 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:35,788 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:51, output treesize:48 [2018-01-30 00:37:35,900 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:35,903 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 24 [2018-01-30 00:37:35,906 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 12 treesize of output 11 [2018-01-30 00:37:35,906 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:35,910 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:35,926 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:35,929 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 57 [2018-01-30 00:37:35,931 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-01-30 00:37:35,932 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:35,940 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:35,951 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:35,952 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:71, output treesize:67 [2018-01-30 00:37:35,997 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 44 [2018-01-30 00:37:36,001 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:36,002 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 37 [2018-01-30 00:37:36,003 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:36,010 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:36,028 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:36,031 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2018-01-30 00:37:36,033 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:36,035 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2018-01-30 00:37:36,035 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:36,045 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:36,056 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:36,056 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:105, output treesize:67 [2018-01-30 00:37:36,069 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:36,069 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-01-30 00:37:36,070 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:36,105 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:36,106 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:36,106 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:36,107 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 21 [2018-01-30 00:37:36,107 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:36,120 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:36,121 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:70 [2018-01-30 00:37:36,166 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 36 [2018-01-30 00:37:36,169 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 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 18 treesize of output 11 [2018-01-30 00:37:36,169 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:36,174 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:36,193 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:36,196 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 61 [2018-01-30 00:37:36,199 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 7 [2018-01-30 00:37:36,199 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:36,208 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:36,230 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:36,230 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:92, output treesize:64 [2018-01-30 00:37:36,326 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:36,327 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:36,333 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 81 [2018-01-30 00:37:36,335 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-01-30 00:37:36,335 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:36,346 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:36,360 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:36,363 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 28 [2018-01-30 00:37:36,365 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 16 treesize of output 15 [2018-01-30 00:37:36,365 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:36,369 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:36,381 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-30 00:37:36,381 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:102, output treesize:102 [2018-01-30 00:37:36,429 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 175 treesize of output 128 [2018-01-30 00:37:36,432 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:36,433 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 22 [2018-01-30 00:37:36,434 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:36,447 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:36,466 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 57 [2018-01-30 00:37:36,468 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:36,469 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 22 [2018-01-30 00:37:36,469 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:36,474 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:36,485 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-01-30 00:37:36,486 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:185, output treesize:99 [2018-01-30 00:37:36,588 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 64 [2018-01-30 00:37:36,590 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2018-01-30 00:37:36,591 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-30 00:37:36,607 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-01-30 00:37:36,607 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:36,616 INFO L682 Elim1Store]: detected equality via solver [2018-01-30 00:37:36,617 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2018-01-30 00:37:36,617 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:36,624 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-30 00:37:36,643 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2018-01-30 00:37:36,647 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-01-30 00:37:36,648 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:36,652 INFO L682 Elim1Store]: detected equality via solver [2018-01-30 00:37:36,653 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-01-30 00:37:36,653 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:36,655 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:36,663 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-30 00:37:36,663 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 6 variables, input treesize:116, output treesize:21 [2018-01-30 00:37:36,751 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:37:36,771 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-30 00:37:36,772 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 19] total 34 [2018-01-30 00:37:36,772 INFO L409 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-01-30 00:37:36,772 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-01-30 00:37:36,772 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=1040, Unknown=0, NotChecked=0, Total=1190 [2018-01-30 00:37:36,772 INFO L87 Difference]: Start difference. First operand 266 states and 281 transitions. Second operand 35 states. [2018-01-30 00:37:38,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-30 00:37:38,837 INFO L93 Difference]: Finished difference Result 337 states and 354 transitions. [2018-01-30 00:37:38,837 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-01-30 00:37:38,837 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 64 [2018-01-30 00:37:38,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-30 00:37:38,838 INFO L225 Difference]: With dead ends: 337 [2018-01-30 00:37:38,838 INFO L226 Difference]: Without dead ends: 334 [2018-01-30 00:37:38,840 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 50 SyntacticMatches, 2 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1070 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=616, Invalid=3416, Unknown=0, NotChecked=0, Total=4032 [2018-01-30 00:37:38,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2018-01-30 00:37:38,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 241. [2018-01-30 00:37:38,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 241 states. [2018-01-30 00:37:38,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 253 transitions. [2018-01-30 00:37:38,854 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 253 transitions. Word has length 64 [2018-01-30 00:37:38,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-30 00:37:38,854 INFO L432 AbstractCegarLoop]: Abstraction has 241 states and 253 transitions. [2018-01-30 00:37:38,854 INFO L433 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-01-30 00:37:38,854 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 253 transitions. [2018-01-30 00:37:38,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-01-30 00:37:38,855 INFO L342 BasicCegarLoop]: Found error trace [2018-01-30 00:37:38,855 INFO L350 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-30 00:37:38,855 INFO L371 AbstractCegarLoop]: === Iteration 24 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-01-30 00:37:38,856 INFO L82 PathProgramCache]: Analyzing trace with hash -2081293130, now seen corresponding path program 2 times [2018-01-30 00:37:38,856 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-30 00:37:38,856 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-30 00:37:38,857 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:37:38,857 INFO L99 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-01-30 00:37:38,857 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:37:38,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:37:38,872 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-30 00:37:39,183 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:37:39,184 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-30 00:37:39,184 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-30 00:37:39,189 INFO L101 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-01-30 00:37:39,199 INFO L201 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-30 00:37:39,209 INFO L214 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-30 00:37:39,213 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-30 00:37:39,216 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-30 00:37:39,283 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:39,283 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:39,284 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-01-30 00:37:39,284 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:39,291 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:39,291 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:24 [2018-01-30 00:37:39,319 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 11 treesize of output 8 [2018-01-30 00:37:39,321 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-01-30 00:37:39,321 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:39,322 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:39,333 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 11 treesize of output 8 [2018-01-30 00:37:39,335 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-01-30 00:37:39,335 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:39,336 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:39,345 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:39,345 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:46, output treesize:32 [2018-01-30 00:37:39,431 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:39,434 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 37 [2018-01-30 00:37:39,436 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 11 [2018-01-30 00:37:39,436 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:39,442 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:39,453 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:39,456 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 35 [2018-01-30 00:37:39,458 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 12 treesize of output 15 [2018-01-30 00:37:39,458 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:39,462 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:39,472 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:39,472 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:62, output treesize:66 [2018-01-30 00:37:39,509 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:39,514 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2018-01-30 00:37:39,517 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:39,519 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2018-01-30 00:37:39,519 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:39,529 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:39,551 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 59 [2018-01-30 00:37:39,553 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:39,555 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 45 [2018-01-30 00:37:39,555 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:39,563 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:39,573 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:39,574 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:104, output treesize:66 [2018-01-30 00:37:39,581 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:39,582 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:39,582 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:39,583 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 46 [2018-01-30 00:37:39,583 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:39,598 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:39,598 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:77, output treesize:83 [2018-01-30 00:37:39,645 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 51 [2018-01-30 00:37:39,648 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 23 [2018-01-30 00:37:39,648 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:39,654 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:39,672 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:39,675 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2018-01-30 00:37:39,677 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2018-01-30 00:37:39,678 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:39,686 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:39,699 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:39,699 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:105, output treesize:81 [2018-01-30 00:37:39,824 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:39,825 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:39,833 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 97 [2018-01-30 00:37:39,835 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-01-30 00:37:39,836 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:39,858 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:39,875 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:39,878 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 61 [2018-01-30 00:37:39,880 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-01-30 00:37:39,881 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:39,887 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:39,900 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:39,901 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:116, output treesize:96 [2018-01-30 00:37:39,960 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 202 treesize of output 176 [2018-01-30 00:37:39,969 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:39,971 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 26 [2018-01-30 00:37:39,971 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:39,991 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:40,016 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 164 treesize of output 121 [2018-01-30 00:37:40,019 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:40,020 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 26 [2018-01-30 00:37:40,021 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:40,033 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:40,048 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-30 00:37:40,048 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:227, output treesize:117 [2018-01-30 00:37:40,195 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 88 [2018-01-30 00:37:40,198 INFO L682 Elim1Store]: detected equality via solver [2018-01-30 00:37:40,199 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 60 [2018-01-30 00:37:40,199 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:40,208 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-01-30 00:37:40,208 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:40,214 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:40,226 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-01-30 00:37:40,226 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:134, output treesize:92 [2018-01-30 00:37:40,346 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:40,346 INFO L682 Elim1Store]: detected equality via solver [2018-01-30 00:37:40,351 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 76 [2018-01-30 00:37:40,355 INFO L682 Elim1Store]: detected equality via solver [2018-01-30 00:37:40,356 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 19 [2018-01-30 00:37:40,356 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-30 00:37:40,367 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-01-30 00:37:40,367 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:40,378 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 14 [2018-01-30 00:37:40,378 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:40,386 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-30 00:37:40,398 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-01-30 00:37:40,399 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:96, output treesize:28 [2018-01-30 00:37:40,519 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:37:40,540 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-30 00:37:40,541 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 21] total 39 [2018-01-30 00:37:40,541 INFO L409 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-01-30 00:37:40,541 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-01-30 00:37:40,542 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=185, Invalid=1375, Unknown=0, NotChecked=0, Total=1560 [2018-01-30 00:37:40,542 INFO L87 Difference]: Start difference. First operand 241 states and 253 transitions. Second operand 40 states. [2018-01-30 00:37:42,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-30 00:37:42,501 INFO L93 Difference]: Finished difference Result 339 states and 357 transitions. [2018-01-30 00:37:42,501 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-01-30 00:37:42,502 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 65 [2018-01-30 00:37:42,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-30 00:37:42,503 INFO L225 Difference]: With dead ends: 339 [2018-01-30 00:37:42,503 INFO L226 Difference]: Without dead ends: 338 [2018-01-30 00:37:42,504 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1196 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=726, Invalid=4104, Unknown=0, NotChecked=0, Total=4830 [2018-01-30 00:37:42,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2018-01-30 00:37:42,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 274. [2018-01-30 00:37:42,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2018-01-30 00:37:42,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 291 transitions. [2018-01-30 00:37:42,515 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 291 transitions. Word has length 65 [2018-01-30 00:37:42,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-30 00:37:42,515 INFO L432 AbstractCegarLoop]: Abstraction has 274 states and 291 transitions. [2018-01-30 00:37:42,515 INFO L433 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-01-30 00:37:42,515 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 291 transitions. [2018-01-30 00:37:42,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-01-30 00:37:42,516 INFO L342 BasicCegarLoop]: Found error trace [2018-01-30 00:37:42,516 INFO L350 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-30 00:37:42,516 INFO L371 AbstractCegarLoop]: === Iteration 25 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-01-30 00:37:42,516 INFO L82 PathProgramCache]: Analyzing trace with hash -2081293129, now seen corresponding path program 2 times [2018-01-30 00:37:42,516 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-30 00:37:42,516 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-30 00:37:42,517 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:37:42,517 INFO L99 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-01-30 00:37:42,517 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:37:42,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:37:42,532 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-30 00:37:43,589 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:37:43,589 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-30 00:37:43,589 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-30 00:37:43,595 INFO L101 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-01-30 00:37:43,605 INFO L201 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-30 00:37:43,615 INFO L214 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-30 00:37:43,620 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-30 00:37:43,622 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-30 00:37:43,691 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:43,692 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:43,693 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-01-30 00:37:43,694 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:43,701 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:43,701 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:24 [2018-01-30 00:37:43,730 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 11 treesize of output 8 [2018-01-30 00:37:43,732 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-01-30 00:37:43,732 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:43,734 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:43,745 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 11 treesize of output 8 [2018-01-30 00:37:43,746 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-01-30 00:37:43,746 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:43,748 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:43,756 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:43,757 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:46, output treesize:32 [2018-01-30 00:37:43,846 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:43,849 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 24 [2018-01-30 00:37:43,850 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 12 treesize of output 15 [2018-01-30 00:37:43,851 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:43,855 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:43,868 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:43,870 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 52 [2018-01-30 00:37:43,872 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 11 [2018-01-30 00:37:43,872 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:43,878 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:43,887 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:43,888 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:62, output treesize:66 [2018-01-30 00:37:43,931 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 59 [2018-01-30 00:37:43,933 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:43,934 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 45 [2018-01-30 00:37:43,935 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:43,943 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:43,957 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:43,960 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2018-01-30 00:37:43,963 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:43,964 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2018-01-30 00:37:43,964 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:43,972 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:43,981 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:43,981 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:104, output treesize:66 [2018-01-30 00:37:43,984 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:43,985 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:43,986 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:43,986 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 21 [2018-01-30 00:37:43,987 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:44,000 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-01-30 00:37:44,000 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:44,011 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:44,011 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:80, output treesize:72 [2018-01-30 00:37:44,050 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:44,053 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 60 [2018-01-30 00:37:44,056 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2018-01-30 00:37:44,056 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:44,064 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:44,078 INFO L682 Elim1Store]: detected equality via solver [2018-01-30 00:37:44,080 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 56 [2018-01-30 00:37:44,082 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2018-01-30 00:37:44,083 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:44,088 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:44,098 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:44,098 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:91, output treesize:82 [2018-01-30 00:37:44,201 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:44,202 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:44,207 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 103 [2018-01-30 00:37:44,209 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-01-30 00:37:44,209 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:44,221 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:44,234 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:44,239 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 92 [2018-01-30 00:37:44,241 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-01-30 00:37:44,241 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:44,250 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:44,261 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:44,261 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:117, output treesize:97 [2018-01-30 00:37:44,311 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 225 treesize of output 170 [2018-01-30 00:37:44,313 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:44,315 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 26 [2018-01-30 00:37:44,315 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:44,328 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:44,349 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 144 [2018-01-30 00:37:44,352 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:44,353 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 26 [2018-01-30 00:37:44,353 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:44,363 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:44,373 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-30 00:37:44,373 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:228, output treesize:118 [2018-01-30 00:37:44,575 INFO L682 Elim1Store]: detected equality via solver [2018-01-30 00:37:44,579 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 132 [2018-01-30 00:37:44,581 INFO L682 Elim1Store]: detected equality via solver [2018-01-30 00:37:44,581 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 40 [2018-01-30 00:37:44,581 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-30 00:37:44,594 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-01-30 00:37:44,595 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:44,605 INFO L682 Elim1Store]: detected equality via solver [2018-01-30 00:37:44,606 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 32 [2018-01-30 00:37:44,606 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:44,615 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-30 00:37:44,628 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2018-01-30 00:37:44,630 INFO L682 Elim1Store]: detected equality via solver [2018-01-30 00:37:44,630 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 14 [2018-01-30 00:37:44,630 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-30 00:37:44,638 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-01-30 00:37:44,638 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:44,642 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-01-30 00:37:44,642 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:44,643 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:44,650 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:44,650 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 5 variables, input treesize:151, output treesize:9 [2018-01-30 00:37:44,687 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:37:44,707 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-30 00:37:44,708 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 21] total 36 [2018-01-30 00:37:44,708 INFO L409 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-01-30 00:37:44,708 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-01-30 00:37:44,709 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=1197, Unknown=0, NotChecked=0, Total=1332 [2018-01-30 00:37:44,709 INFO L87 Difference]: Start difference. First operand 274 states and 291 transitions. Second operand 37 states. [2018-01-30 00:37:46,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-30 00:37:46,484 INFO L93 Difference]: Finished difference Result 347 states and 366 transitions. [2018-01-30 00:37:46,485 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-01-30 00:37:46,485 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 65 [2018-01-30 00:37:46,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-30 00:37:46,486 INFO L225 Difference]: With dead ends: 347 [2018-01-30 00:37:46,486 INFO L226 Difference]: Without dead ends: 344 [2018-01-30 00:37:46,487 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 50 SyntacticMatches, 3 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 926 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=517, Invalid=3389, Unknown=0, NotChecked=0, Total=3906 [2018-01-30 00:37:46,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2018-01-30 00:37:46,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 273. [2018-01-30 00:37:46,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273 states. [2018-01-30 00:37:46,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 289 transitions. [2018-01-30 00:37:46,498 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 289 transitions. Word has length 65 [2018-01-30 00:37:46,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-30 00:37:46,498 INFO L432 AbstractCegarLoop]: Abstraction has 273 states and 289 transitions. [2018-01-30 00:37:46,498 INFO L433 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-01-30 00:37:46,498 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 289 transitions. [2018-01-30 00:37:46,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-01-30 00:37:46,499 INFO L342 BasicCegarLoop]: Found error trace [2018-01-30 00:37:46,499 INFO L350 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-30 00:37:46,499 INFO L371 AbstractCegarLoop]: === Iteration 26 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-01-30 00:37:46,499 INFO L82 PathProgramCache]: Analyzing trace with hash 305098083, now seen corresponding path program 1 times [2018-01-30 00:37:46,499 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-30 00:37:46,499 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-30 00:37:46,500 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:37:46,500 INFO L99 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-01-30 00:37:46,500 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:37:46,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:37:46,513 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-30 00:37:46,862 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:37:46,862 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-30 00:37:46,862 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-30 00:37:46,867 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 00:37:46,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:37:46,892 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-30 00:37:46,898 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:46,899 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:46,899 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-01-30 00:37:46,899 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:46,906 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:46,906 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:24 [2018-01-30 00:37:46,929 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-01-30 00:37:46,931 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-01-30 00:37:46,931 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:46,932 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:46,942 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-01-30 00:37:46,943 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-01-30 00:37:46,944 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:46,945 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:46,952 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:46,953 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:43, output treesize:36 [2018-01-30 00:37:47,028 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:47,031 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 37 [2018-01-30 00:37:47,033 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 11 [2018-01-30 00:37:47,033 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:47,039 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:47,051 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:47,054 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2018-01-30 00:37:47,055 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 12 treesize of output 15 [2018-01-30 00:37:47,056 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:47,061 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:47,071 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:47,071 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:66, output treesize:70 [2018-01-30 00:37:47,108 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 66 [2018-01-30 00:37:47,110 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:47,112 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 45 [2018-01-30 00:37:47,112 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:47,122 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:47,135 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:47,138 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2018-01-30 00:37:47,140 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:47,141 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2018-01-30 00:37:47,142 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:47,149 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:47,160 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:47,160 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:108, output treesize:70 [2018-01-30 00:37:47,163 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:47,164 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:47,165 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:47,165 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 46 [2018-01-30 00:37:47,165 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:47,181 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:47,182 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:81, output treesize:87 [2018-01-30 00:37:47,223 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:47,226 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2018-01-30 00:37:47,229 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2018-01-30 00:37:47,229 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:47,239 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:47,259 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 58 [2018-01-30 00:37:47,274 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2018-01-30 00:37:47,274 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:47,281 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:47,294 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:47,295 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:109, output treesize:85 [2018-01-30 00:37:47,394 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:47,397 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 88 [2018-01-30 00:37:47,399 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-01-30 00:37:47,399 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:47,408 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:47,423 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:47,424 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:47,429 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 97 [2018-01-30 00:37:47,431 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-01-30 00:37:47,431 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:47,441 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:47,454 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:47,454 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:120, output treesize:100 [2018-01-30 00:37:47,499 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 209 treesize of output 183 [2018-01-30 00:37:47,502 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:47,503 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 26 [2018-01-30 00:37:47,522 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:47,535 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:47,558 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 164 treesize of output 121 [2018-01-30 00:37:47,561 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:47,562 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 26 [2018-01-30 00:37:47,563 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:47,575 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:47,587 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-30 00:37:47,587 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:231, output treesize:121 [2018-01-30 00:37:47,683 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 93 [2018-01-30 00:37:47,685 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-01-30 00:37:47,685 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:47,694 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 60 [2018-01-30 00:37:47,694 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:47,700 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:47,711 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-01-30 00:37:47,711 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:135, output treesize:89 [2018-01-30 00:37:47,794 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 50 [2018-01-30 00:37:47,796 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2018-01-30 00:37:47,796 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-30 00:37:47,804 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 14 [2018-01-30 00:37:47,805 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:47,812 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-01-30 00:37:47,812 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:47,818 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-30 00:37:47,824 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-01-30 00:37:47,825 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:90, output treesize:28 [2018-01-30 00:37:47,919 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:37:47,939 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-30 00:37:47,939 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 35 [2018-01-30 00:37:47,940 INFO L409 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-01-30 00:37:47,940 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-01-30 00:37:47,940 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=1112, Unknown=0, NotChecked=0, Total=1260 [2018-01-30 00:37:47,940 INFO L87 Difference]: Start difference. First operand 273 states and 289 transitions. Second operand 36 states. [2018-01-30 00:37:49,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-30 00:37:49,443 INFO L93 Difference]: Finished difference Result 343 states and 362 transitions. [2018-01-30 00:37:49,443 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-01-30 00:37:49,443 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 67 [2018-01-30 00:37:49,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-30 00:37:49,444 INFO L225 Difference]: With dead ends: 343 [2018-01-30 00:37:49,444 INFO L226 Difference]: Without dead ends: 342 [2018-01-30 00:37:49,445 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 52 SyntacticMatches, 2 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 620 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=353, Invalid=2197, Unknown=0, NotChecked=0, Total=2550 [2018-01-30 00:37:49,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2018-01-30 00:37:49,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 282. [2018-01-30 00:37:49,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2018-01-30 00:37:49,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 299 transitions. [2018-01-30 00:37:49,458 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 299 transitions. Word has length 67 [2018-01-30 00:37:49,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-30 00:37:49,458 INFO L432 AbstractCegarLoop]: Abstraction has 282 states and 299 transitions. [2018-01-30 00:37:49,458 INFO L433 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-01-30 00:37:49,458 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 299 transitions. [2018-01-30 00:37:49,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-01-30 00:37:49,459 INFO L342 BasicCegarLoop]: Found error trace [2018-01-30 00:37:49,459 INFO L350 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-30 00:37:49,459 INFO L371 AbstractCegarLoop]: === Iteration 27 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-01-30 00:37:49,459 INFO L82 PathProgramCache]: Analyzing trace with hash 305098084, now seen corresponding path program 1 times [2018-01-30 00:37:49,459 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-30 00:37:49,460 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-30 00:37:49,460 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:37:49,460 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 00:37:49,460 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:37:49,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:37:49,480 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-30 00:37:49,954 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:37:49,954 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-30 00:37:49,954 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-30 00:37:49,959 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 00:37:49,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:37:49,985 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-30 00:37:49,991 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:49,992 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:49,993 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-01-30 00:37:49,993 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:49,998 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:49,998 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:21 [2018-01-30 00:37:50,022 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-01-30 00:37:50,023 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-01-30 00:37:50,024 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:50,025 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:50,035 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-01-30 00:37:50,036 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-01-30 00:37:50,036 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:50,038 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:50,045 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:50,045 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:43, output treesize:29 [2018-01-30 00:37:50,102 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 24 [2018-01-30 00:37:50,104 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 12 treesize of output 15 [2018-01-30 00:37:50,104 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:50,108 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:50,120 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 35 [2018-01-30 00:37:50,121 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 11 [2018-01-30 00:37:50,122 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:50,127 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:50,135 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:50,135 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:51, output treesize:55 [2018-01-30 00:37:50,168 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 52 [2018-01-30 00:37:50,170 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:50,171 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2018-01-30 00:37:50,171 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:50,177 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:50,194 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 59 [2018-01-30 00:37:50,196 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:50,198 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 45 [2018-01-30 00:37:50,198 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:50,204 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:50,211 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:50,212 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:93, output treesize:55 [2018-01-30 00:37:50,214 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2018-01-30 00:37:50,214 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:50,227 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:50,228 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:50,229 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:50,229 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2018-01-30 00:37:50,229 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:50,240 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:50,240 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:69, output treesize:61 [2018-01-30 00:37:50,275 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 44 [2018-01-30 00:37:50,278 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2018-01-30 00:37:50,278 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:50,283 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:50,297 INFO L682 Elim1Store]: detected equality via solver [2018-01-30 00:37:50,299 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 56 [2018-01-30 00:37:50,300 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2018-01-30 00:37:50,301 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:50,306 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:50,314 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:50,314 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:80, output treesize:71 [2018-01-30 00:37:50,399 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:50,399 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:50,405 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 103 [2018-01-30 00:37:50,407 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-01-30 00:37:50,407 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:50,418 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:50,431 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:50,432 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:50,437 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 112 [2018-01-30 00:37:50,438 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-01-30 00:37:50,438 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:50,448 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:50,458 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:50,458 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:114, output treesize:94 [2018-01-30 00:37:50,501 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 225 treesize of output 170 [2018-01-30 00:37:50,504 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:50,505 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 26 [2018-01-30 00:37:50,505 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:50,519 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:50,539 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 144 [2018-01-30 00:37:50,542 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:50,543 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 26 [2018-01-30 00:37:50,543 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:50,555 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:50,565 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-30 00:37:50,565 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:225, output treesize:115 [2018-01-30 00:37:50,737 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 98 [2018-01-30 00:37:50,739 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 37 [2018-01-30 00:37:50,739 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-30 00:37:50,758 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 21 [2018-01-30 00:37:50,758 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:50,769 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-01-30 00:37:50,769 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:50,777 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-30 00:37:50,787 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2018-01-30 00:37:50,789 INFO L477 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 15 treesize of output 11 [2018-01-30 00:37:50,789 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-30 00:37:50,796 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-01-30 00:37:50,796 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:50,799 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-01-30 00:37:50,799 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:50,800 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:50,805 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:50,805 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 5 variables, input treesize:145, output treesize:9 [2018-01-30 00:37:50,853 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:37:50,873 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-30 00:37:50,873 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 19] total 31 [2018-01-30 00:37:50,874 INFO L409 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-01-30 00:37:50,874 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-01-30 00:37:50,874 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=894, Unknown=0, NotChecked=0, Total=992 [2018-01-30 00:37:50,874 INFO L87 Difference]: Start difference. First operand 282 states and 299 transitions. Second operand 32 states. [2018-01-30 00:37:52,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-30 00:37:52,228 INFO L93 Difference]: Finished difference Result 348 states and 367 transitions. [2018-01-30 00:37:52,228 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-01-30 00:37:52,228 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 67 [2018-01-30 00:37:52,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-30 00:37:52,229 INFO L225 Difference]: With dead ends: 348 [2018-01-30 00:37:52,229 INFO L226 Difference]: Without dead ends: 346 [2018-01-30 00:37:52,230 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 52 SyntacticMatches, 7 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 623 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=270, Invalid=2180, Unknown=0, NotChecked=0, Total=2450 [2018-01-30 00:37:52,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2018-01-30 00:37:52,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 285. [2018-01-30 00:37:52,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 285 states. [2018-01-30 00:37:52,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 301 transitions. [2018-01-30 00:37:52,242 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 301 transitions. Word has length 67 [2018-01-30 00:37:52,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-30 00:37:52,242 INFO L432 AbstractCegarLoop]: Abstraction has 285 states and 301 transitions. [2018-01-30 00:37:52,242 INFO L433 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-01-30 00:37:52,242 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 301 transitions. [2018-01-30 00:37:52,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-01-30 00:37:52,243 INFO L342 BasicCegarLoop]: Found error trace [2018-01-30 00:37:52,243 INFO L350 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-30 00:37:52,243 INFO L371 AbstractCegarLoop]: === Iteration 28 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-01-30 00:37:52,243 INFO L82 PathProgramCache]: Analyzing trace with hash 2103594309, now seen corresponding path program 1 times [2018-01-30 00:37:52,243 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-30 00:37:52,243 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-30 00:37:52,244 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:37:52,244 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 00:37:52,244 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:37:52,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:37:52,253 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-30 00:37:52,715 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:37:52,715 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-30 00:37:52,715 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-30 00:37:52,720 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 00:37:52,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:37:52,744 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-30 00:37:52,783 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:52,784 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:52,784 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-01-30 00:37:52,784 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:52,789 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:52,789 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:17 [2018-01-30 00:37:52,811 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 11 treesize of output 8 [2018-01-30 00:37:52,812 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-01-30 00:37:52,812 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:52,814 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:52,822 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 11 treesize of output 8 [2018-01-30 00:37:52,824 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-01-30 00:37:52,824 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:52,825 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:52,831 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:52,831 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:36, output treesize:25 [2018-01-30 00:37:52,855 INFO L477 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 16 treesize of output 12 [2018-01-30 00:37:52,856 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2018-01-30 00:37:52,856 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:52,857 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:52,860 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:52,860 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:26, output treesize:15 [2018-01-30 00:37:52,904 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 20 [2018-01-30 00:37:52,906 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-01-30 00:37:52,906 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:52,909 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:52,914 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:52,914 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:26, output treesize:22 [2018-01-30 00:37:52,941 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 33 [2018-01-30 00:37:52,943 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:52,944 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2018-01-30 00:37:52,945 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:52,948 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:52,953 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-01-30 00:37:52,953 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:41, output treesize:22 [2018-01-30 00:37:53,637 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 70 [2018-01-30 00:37:53,639 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 54 [2018-01-30 00:37:53,639 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:53,676 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 53 [2018-01-30 00:37:53,677 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-01-30 00:37:53,730 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 73 [2018-01-30 00:37:53,732 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-01-30 00:37:53,833 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 3 dim-0 vars, and 7 xjuncts. [2018-01-30 00:37:53,940 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 63 [2018-01-30 00:37:53,945 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 23 [2018-01-30 00:37:53,946 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-01-30 00:37:53,964 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-01-30 00:37:53,964 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:53,984 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-01-30 00:37:54,112 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 48 [2018-01-30 00:37:54,117 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 40 [2018-01-30 00:37:54,118 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-01-30 00:37:54,152 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2018-01-30 00:37:54,152 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:54,153 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 27 [2018-01-30 00:37:54,153 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:54,192 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 39 [2018-01-30 00:37:54,193 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2018-01-30 00:37:54,240 INFO L267 ElimStorePlain]: Start of recursive call 9: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 5 xjuncts. [2018-01-30 00:37:54,245 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 52 [2018-01-30 00:37:54,248 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 36 [2018-01-30 00:37:54,249 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-30 00:37:54,274 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2018-01-30 00:37:54,275 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:54,307 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 39 treesize of output 43 [2018-01-30 00:37:54,308 INFO L267 ElimStorePlain]: Start of recursive call 17: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 4 xjuncts. [2018-01-30 00:37:54,361 INFO L267 ElimStorePlain]: Start of recursive call 14: 3 dim-1 vars, End of recursive call: 3 dim-0 vars, and 5 xjuncts. [2018-01-30 00:37:54,558 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 48 [2018-01-30 00:37:54,559 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-01-30 00:37:54,559 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:54,572 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 12 [2018-01-30 00:37:54,572 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:54,579 INFO L267 ElimStorePlain]: Start of recursive call 18: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:54,581 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 47 [2018-01-30 00:37:54,582 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-01-30 00:37:54,583 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:54,596 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 20 [2018-01-30 00:37:54,597 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 2 xjuncts. [2018-01-30 00:37:54,608 INFO L267 ElimStorePlain]: Start of recursive call 21: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-30 00:37:54,610 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 44 [2018-01-30 00:37:54,615 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 16 [2018-01-30 00:37:54,615 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 2 xjuncts. [2018-01-30 00:37:54,631 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-01-30 00:37:54,631 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:54,643 INFO L267 ElimStorePlain]: Start of recursive call 24: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-30 00:37:54,645 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 45 [2018-01-30 00:37:54,646 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-01-30 00:37:54,646 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:54,658 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 12 [2018-01-30 00:37:54,658 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:54,664 INFO L267 ElimStorePlain]: Start of recursive call 27: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:54,666 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 43 [2018-01-30 00:37:54,668 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-01-30 00:37:54,668 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:54,678 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-01-30 00:37:54,678 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:54,685 INFO L267 ElimStorePlain]: Start of recursive call 30: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:54,687 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 51 [2018-01-30 00:37:54,688 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-01-30 00:37:54,688 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:54,701 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16 [2018-01-30 00:37:54,701 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:54,707 INFO L267 ElimStorePlain]: Start of recursive call 33: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:54,709 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 43 [2018-01-30 00:37:54,710 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-01-30 00:37:54,711 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:54,721 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-01-30 00:37:54,721 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:54,728 INFO L267 ElimStorePlain]: Start of recursive call 36: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:54,865 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 4 dim-2 vars, End of recursive call: 8 dim-0 vars, and 13 xjuncts. [2018-01-30 00:37:54,865 INFO L202 ElimStorePlain]: Needed 38 recursive calls to eliminate 10 variables, input treesize:135, output treesize:281 [2018-01-30 00:37:55,040 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:37:55,041 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 21 [2018-01-30 00:37:55,041 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:55,047 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-30 00:37:55,048 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:23, output treesize:18 [2018-01-30 00:37:55,136 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:37:55,156 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-30 00:37:55,156 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 41 [2018-01-30 00:37:55,156 INFO L409 AbstractCegarLoop]: Interpolant automaton has 42 states [2018-01-30 00:37:55,157 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2018-01-30 00:37:55,157 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=1598, Unknown=3, NotChecked=0, Total=1722 [2018-01-30 00:37:55,157 INFO L87 Difference]: Start difference. First operand 285 states and 301 transitions. Second operand 42 states. [2018-01-30 00:37:57,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-30 00:37:57,961 INFO L93 Difference]: Finished difference Result 310 states and 327 transitions. [2018-01-30 00:37:57,961 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-01-30 00:37:57,961 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 70 [2018-01-30 00:37:57,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-30 00:37:57,962 INFO L225 Difference]: With dead ends: 310 [2018-01-30 00:37:57,962 INFO L226 Difference]: Without dead ends: 307 [2018-01-30 00:37:57,963 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 48 SyntacticMatches, 5 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1356 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=808, Invalid=5185, Unknown=13, NotChecked=0, Total=6006 [2018-01-30 00:37:57,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2018-01-30 00:37:57,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 294. [2018-01-30 00:37:57,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2018-01-30 00:37:57,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 314 transitions. [2018-01-30 00:37:57,975 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 314 transitions. Word has length 70 [2018-01-30 00:37:57,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-30 00:37:57,975 INFO L432 AbstractCegarLoop]: Abstraction has 294 states and 314 transitions. [2018-01-30 00:37:57,975 INFO L433 AbstractCegarLoop]: Interpolant automaton has 42 states. [2018-01-30 00:37:57,975 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 314 transitions. [2018-01-30 00:37:57,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-01-30 00:37:57,976 INFO L342 BasicCegarLoop]: Found error trace [2018-01-30 00:37:57,976 INFO L350 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-30 00:37:57,976 INFO L371 AbstractCegarLoop]: === Iteration 29 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-01-30 00:37:57,976 INFO L82 PathProgramCache]: Analyzing trace with hash 2103594310, now seen corresponding path program 1 times [2018-01-30 00:37:57,976 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-30 00:37:57,976 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-30 00:37:57,977 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:37:57,977 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 00:37:57,977 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:37:57,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:37:57,986 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-30 00:37:58,219 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:37:58,219 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-30 00:37:58,219 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-30 00:37:58,225 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 00:37:58,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:37:58,250 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-30 00:37:58,354 INFO L477 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 23 treesize of output 19 [2018-01-30 00:37:58,361 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 20 [2018-01-30 00:37:58,362 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-01-30 00:37:58,368 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-01-30 00:37:58,381 INFO L477 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 28 treesize of output 22 [2018-01-30 00:37:58,387 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 21 [2018-01-30 00:37:58,387 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-01-30 00:37:58,398 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-30 00:37:58,400 INFO L477 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 32 treesize of output 26 [2018-01-30 00:37:58,403 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 17 [2018-01-30 00:37:58,403 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-01-30 00:37:58,406 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:37:58,420 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2018-01-30 00:37:58,420 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:45, output treesize:41 [2018-01-30 00:37:58,547 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-01-30 00:37:58,569 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-30 00:37:58,569 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 10] total 25 [2018-01-30 00:37:58,569 INFO L409 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-01-30 00:37:58,569 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-01-30 00:37:58,570 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=575, Unknown=7, NotChecked=0, Total=650 [2018-01-30 00:37:58,570 INFO L87 Difference]: Start difference. First operand 294 states and 314 transitions. Second operand 26 states. [2018-01-30 00:38:00,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-30 00:38:00,689 INFO L93 Difference]: Finished difference Result 337 states and 358 transitions. [2018-01-30 00:38:00,689 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-01-30 00:38:00,689 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 70 [2018-01-30 00:38:00,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-30 00:38:00,691 INFO L225 Difference]: With dead ends: 337 [2018-01-30 00:38:00,691 INFO L226 Difference]: Without dead ends: 334 [2018-01-30 00:38:00,692 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 64 SyntacticMatches, 1 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1043 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=633, Invalid=3647, Unknown=10, NotChecked=0, Total=4290 [2018-01-30 00:38:00,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2018-01-30 00:38:00,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 301. [2018-01-30 00:38:00,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 301 states. [2018-01-30 00:38:00,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 320 transitions. [2018-01-30 00:38:00,712 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 320 transitions. Word has length 70 [2018-01-30 00:38:00,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-30 00:38:00,712 INFO L432 AbstractCegarLoop]: Abstraction has 301 states and 320 transitions. [2018-01-30 00:38:00,712 INFO L433 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-01-30 00:38:00,712 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 320 transitions. [2018-01-30 00:38:00,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-01-30 00:38:00,713 INFO L342 BasicCegarLoop]: Found error trace [2018-01-30 00:38:00,713 INFO L350 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-30 00:38:00,714 INFO L371 AbstractCegarLoop]: === Iteration 30 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-01-30 00:38:00,714 INFO L82 PathProgramCache]: Analyzing trace with hash 1877870378, now seen corresponding path program 1 times [2018-01-30 00:38:00,714 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-30 00:38:00,714 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-30 00:38:00,715 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:38:00,715 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 00:38:00,715 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:38:00,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:38:00,728 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-30 00:38:00,992 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-01-30 00:38:00,992 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-30 00:38:00,992 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-30 00:38:00,999 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 00:38:01,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:38:01,031 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-30 00:38:01,083 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:01,084 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:01,084 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-01-30 00:38:01,084 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:01,089 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:01,089 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:18 [2018-01-30 00:38:01,107 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 11 treesize of output 8 [2018-01-30 00:38:01,108 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-01-30 00:38:01,108 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:01,109 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:01,116 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:01,116 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:34, output treesize:31 [2018-01-30 00:38:01,174 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:01,177 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 36 [2018-01-30 00:38:01,178 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-01-30 00:38:01,178 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:01,183 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:01,189 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:01,189 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:43, output treesize:39 [2018-01-30 00:38:01,216 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:01,219 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 49 [2018-01-30 00:38:01,221 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:01,221 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2018-01-30 00:38:01,222 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:01,227 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:01,234 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:01,234 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:58, output treesize:39 [2018-01-30 00:38:01,236 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:01,236 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:01,237 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-01-30 00:38:01,237 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:01,243 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:01,243 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:44, output treesize:38 [2018-01-30 00:38:01,265 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:01,268 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 41 [2018-01-30 00:38:01,270 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 7 [2018-01-30 00:38:01,270 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:01,275 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:01,281 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:01,281 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:49, output treesize:35 [2018-01-30 00:38:01,347 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:01,359 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 64 [2018-01-30 00:38:01,361 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 60 treesize of output 59 [2018-01-30 00:38:01,362 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:01,385 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:01,390 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 42 [2018-01-30 00:38:01,390 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-01-30 00:38:01,407 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-30 00:38:01,421 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-01-30 00:38:01,421 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:54, output treesize:81 [2018-01-30 00:38:01,473 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 90 treesize of output 78 [2018-01-30 00:38:01,476 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:01,477 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 69 [2018-01-30 00:38:01,478 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:01,514 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:01,515 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:01,516 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:01,523 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 52 treesize of output 86 [2018-01-30 00:38:01,523 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-01-30 00:38:01,546 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-30 00:38:01,576 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 52 [2018-01-30 00:38:01,579 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:01,580 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2018-01-30 00:38:01,580 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:01,585 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:01,604 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 4 dim-0 vars, and 3 xjuncts. [2018-01-30 00:38:01,604 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 5 variables, input treesize:153, output treesize:112 [2018-01-30 00:38:01,713 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 45 [2018-01-30 00:38:01,716 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 34 [2018-01-30 00:38:01,716 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:01,737 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 33 [2018-01-30 00:38:01,738 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-01-30 00:38:01,758 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 16 [2018-01-30 00:38:01,759 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:01,760 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 16 [2018-01-30 00:38:01,760 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:01,776 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2018-01-30 00:38:01,776 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:01,791 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 12 [2018-01-30 00:38:01,792 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:01,798 INFO L267 ElimStorePlain]: Start of recursive call 2: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:01,810 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 26 [2018-01-30 00:38:01,811 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-01-30 00:38:01,812 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:01,816 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 9 [2018-01-30 00:38:01,817 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:01,820 INFO L267 ElimStorePlain]: Start of recursive call 9: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:01,827 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:01,828 INFO L202 ElimStorePlain]: Needed 11 recursive calls to eliminate 7 variables, input treesize:93, output treesize:8 [2018-01-30 00:38:01,901 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-01-30 00:38:01,921 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-30 00:38:01,921 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 19] total 32 [2018-01-30 00:38:01,921 INFO L409 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-01-30 00:38:01,921 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-01-30 00:38:01,921 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=863, Unknown=1, NotChecked=0, Total=992 [2018-01-30 00:38:01,922 INFO L87 Difference]: Start difference. First operand 301 states and 320 transitions. Second operand 32 states. [2018-01-30 00:38:03,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-30 00:38:03,616 INFO L93 Difference]: Finished difference Result 389 states and 412 transitions. [2018-01-30 00:38:03,616 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-01-30 00:38:03,616 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 70 [2018-01-30 00:38:03,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-30 00:38:03,617 INFO L225 Difference]: With dead ends: 389 [2018-01-30 00:38:03,617 INFO L226 Difference]: Without dead ends: 374 [2018-01-30 00:38:03,618 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 56 SyntacticMatches, 4 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 879 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=435, Invalid=2868, Unknown=3, NotChecked=0, Total=3306 [2018-01-30 00:38:03,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2018-01-30 00:38:03,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 339. [2018-01-30 00:38:03,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 339 states. [2018-01-30 00:38:03,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 366 transitions. [2018-01-30 00:38:03,632 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 366 transitions. Word has length 70 [2018-01-30 00:38:03,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-30 00:38:03,632 INFO L432 AbstractCegarLoop]: Abstraction has 339 states and 366 transitions. [2018-01-30 00:38:03,632 INFO L433 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-01-30 00:38:03,632 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 366 transitions. [2018-01-30 00:38:03,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-01-30 00:38:03,633 INFO L342 BasicCegarLoop]: Found error trace [2018-01-30 00:38:03,633 INFO L350 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-30 00:38:03,633 INFO L371 AbstractCegarLoop]: === Iteration 31 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-01-30 00:38:03,633 INFO L82 PathProgramCache]: Analyzing trace with hash -1307728382, now seen corresponding path program 1 times [2018-01-30 00:38:03,633 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-30 00:38:03,633 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-30 00:38:03,634 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:38:03,634 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 00:38:03,634 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:38:03,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:38:03,646 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-30 00:38:03,949 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:38:03,950 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-30 00:38:03,950 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-30 00:38:03,955 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 00:38:03,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:38:03,982 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-30 00:38:03,988 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:03,989 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:03,989 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-01-30 00:38:03,989 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:03,994 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:03,995 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:21 [2018-01-30 00:38:04,015 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-01-30 00:38:04,016 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-01-30 00:38:04,017 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:04,018 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:04,024 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:04,024 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:32, output treesize:29 [2018-01-30 00:38:04,083 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:04,085 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 37 [2018-01-30 00:38:04,087 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-01-30 00:38:04,087 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:04,092 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:04,097 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:04,097 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:41, output treesize:37 [2018-01-30 00:38:04,122 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:04,126 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 50 [2018-01-30 00:38:04,128 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:04,129 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2018-01-30 00:38:04,129 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:04,147 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:04,152 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:04,152 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:56, output treesize:37 [2018-01-30 00:38:04,155 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:04,156 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:04,157 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:04,157 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 46 [2018-01-30 00:38:04,157 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:04,168 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:04,169 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:48, output treesize:54 [2018-01-30 00:38:04,203 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:04,206 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 50 [2018-01-30 00:38:04,209 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 7 [2018-01-30 00:38:04,209 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:04,216 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:04,225 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:04,226 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:70, output treesize:55 [2018-01-30 00:38:04,325 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:04,326 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:04,330 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 81 [2018-01-30 00:38:04,332 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-01-30 00:38:04,332 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:04,343 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:04,353 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-30 00:38:04,353 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:86, output treesize:66 [2018-01-30 00:38:04,403 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 74 [2018-01-30 00:38:04,406 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:04,407 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2018-01-30 00:38:04,407 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:04,417 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:04,427 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-30 00:38:04,427 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:85, output treesize:66 [2018-01-30 00:38:04,430 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:04,431 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:04,432 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:04,432 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:04,433 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 99 [2018-01-30 00:38:04,433 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:04,453 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-30 00:38:04,453 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:77, output treesize:103 [2018-01-30 00:38:04,505 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:04,510 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 94 [2018-01-30 00:38:04,512 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 7 [2018-01-30 00:38:04,512 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:04,523 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:04,537 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-30 00:38:04,537 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:114, output treesize:104 [2018-01-30 00:38:04,658 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:04,659 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:04,660 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:04,668 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 137 [2018-01-30 00:38:04,669 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-01-30 00:38:04,670 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:04,687 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:04,702 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-01-30 00:38:04,702 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:167, output treesize:139 [2018-01-30 00:38:04,757 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 210 treesize of output 134 [2018-01-30 00:38:04,760 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:04,761 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 26 [2018-01-30 00:38:04,762 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:04,775 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:04,789 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-01-30 00:38:04,789 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:215, output treesize:160 [2018-01-30 00:38:04,891 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 84 [2018-01-30 00:38:04,893 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 22 [2018-01-30 00:38:04,894 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-30 00:38:04,907 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-01-30 00:38:04,908 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:04,919 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 20 [2018-01-30 00:38:04,919 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:04,930 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2018-01-30 00:38:04,930 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-30 00:38:04,940 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-01-30 00:38:04,950 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-01-30 00:38:04,950 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:167, output treesize:45 [2018-01-30 00:38:05,077 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:38:05,098 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-30 00:38:05,098 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 22] total 39 [2018-01-30 00:38:05,099 INFO L409 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-01-30 00:38:05,099 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-01-30 00:38:05,099 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=212, Invalid=1348, Unknown=0, NotChecked=0, Total=1560 [2018-01-30 00:38:05,099 INFO L87 Difference]: Start difference. First operand 339 states and 366 transitions. Second operand 40 states. [2018-01-30 00:38:07,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-30 00:38:07,494 INFO L93 Difference]: Finished difference Result 496 states and 524 transitions. [2018-01-30 00:38:07,494 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2018-01-30 00:38:07,494 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 71 [2018-01-30 00:38:07,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-30 00:38:07,495 INFO L225 Difference]: With dead ends: 496 [2018-01-30 00:38:07,496 INFO L226 Difference]: Without dead ends: 495 [2018-01-30 00:38:07,496 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 52 SyntacticMatches, 6 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1853 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=912, Invalid=5250, Unknown=0, NotChecked=0, Total=6162 [2018-01-30 00:38:07,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2018-01-30 00:38:07,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 373. [2018-01-30 00:38:07,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2018-01-30 00:38:07,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 403 transitions. [2018-01-30 00:38:07,512 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 403 transitions. Word has length 71 [2018-01-30 00:38:07,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-30 00:38:07,512 INFO L432 AbstractCegarLoop]: Abstraction has 373 states and 403 transitions. [2018-01-30 00:38:07,512 INFO L433 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-01-30 00:38:07,512 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 403 transitions. [2018-01-30 00:38:07,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-01-30 00:38:07,513 INFO L342 BasicCegarLoop]: Found error trace [2018-01-30 00:38:07,513 INFO L350 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-30 00:38:07,513 INFO L371 AbstractCegarLoop]: === Iteration 32 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-01-30 00:38:07,513 INFO L82 PathProgramCache]: Analyzing trace with hash -1307728381, now seen corresponding path program 1 times [2018-01-30 00:38:07,513 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-30 00:38:07,513 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-30 00:38:07,514 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:38:07,514 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 00:38:07,514 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:38:07,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:38:07,526 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-30 00:38:08,030 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:38:08,030 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-30 00:38:08,030 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-30 00:38:08,036 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 00:38:08,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:38:08,064 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-30 00:38:08,070 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:08,071 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:08,072 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-01-30 00:38:08,090 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:08,097 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:08,097 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:24 [2018-01-30 00:38:08,123 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-01-30 00:38:08,124 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-01-30 00:38:08,124 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:08,126 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:08,135 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-01-30 00:38:08,137 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-01-30 00:38:08,137 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:08,138 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:08,145 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:08,145 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:43, output treesize:36 [2018-01-30 00:38:08,224 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:08,227 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 24 [2018-01-30 00:38:08,229 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 12 treesize of output 11 [2018-01-30 00:38:08,229 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:08,233 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:08,244 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:08,246 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 48 [2018-01-30 00:38:08,248 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-01-30 00:38:08,248 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:08,255 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:08,264 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:08,264 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:62, output treesize:58 [2018-01-30 00:38:08,300 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:08,305 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 61 [2018-01-30 00:38:08,308 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:08,310 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2018-01-30 00:38:08,310 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:08,320 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:08,343 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 44 [2018-01-30 00:38:08,346 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:08,348 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 37 [2018-01-30 00:38:08,348 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:08,355 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:08,367 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:08,367 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:103, output treesize:65 [2018-01-30 00:38:08,408 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:08,409 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 21 [2018-01-30 00:38:08,409 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:08,430 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:08,431 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:08,432 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:08,433 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 46 [2018-01-30 00:38:08,433 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:08,451 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:08,452 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:82, output treesize:91 [2018-01-30 00:38:08,501 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:08,505 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 72 [2018-01-30 00:38:08,508 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 7 [2018-01-30 00:38:08,508 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:08,518 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:08,544 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 36 [2018-01-30 00:38:08,547 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 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 18 treesize of output 11 [2018-01-30 00:38:08,547 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:08,552 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:08,569 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:08,569 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:118, output treesize:85 [2018-01-30 00:38:08,702 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:08,702 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:08,708 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 101 [2018-01-30 00:38:08,710 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-01-30 00:38:08,711 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:08,725 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:08,747 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 28 [2018-01-30 00:38:08,750 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 16 treesize of output 15 [2018-01-30 00:38:08,750 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:08,754 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:08,772 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-30 00:38:08,773 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:131, output treesize:115 [2018-01-30 00:38:08,832 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 105 [2018-01-30 00:38:08,835 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:08,837 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2018-01-30 00:38:08,837 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:08,852 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:08,880 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 52 [2018-01-30 00:38:08,883 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:08,884 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 45 [2018-01-30 00:38:08,884 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:08,890 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:08,908 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-30 00:38:08,909 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:153, output treesize:115 [2018-01-30 00:38:08,913 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:08,914 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:08,916 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 66 [2018-01-30 00:38:08,916 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:08,944 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:08,945 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:08,945 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:08,946 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:08,946 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 61 [2018-01-30 00:38:08,947 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:08,969 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-30 00:38:08,969 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:126, output treesize:117 [2018-01-30 00:38:09,024 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 95 [2018-01-30 00:38:09,027 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 7 [2018-01-30 00:38:09,027 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:09,041 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:09,069 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 44 [2018-01-30 00:38:09,072 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 15 [2018-01-30 00:38:09,072 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:09,077 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:09,095 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-30 00:38:09,095 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:139, output treesize:111 [2018-01-30 00:38:09,227 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:09,228 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:09,229 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:09,239 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 164 treesize of output 139 [2018-01-30 00:38:09,242 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-01-30 00:38:09,242 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:09,261 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:09,285 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 32 [2018-01-30 00:38:09,286 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 20 treesize of output 19 [2018-01-30 00:38:09,287 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:09,291 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:09,311 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-01-30 00:38:09,311 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:185, output treesize:165 [2018-01-30 00:38:09,366 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 69 [2018-01-30 00:38:09,368 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:09,370 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 26 [2018-01-30 00:38:09,370 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:09,376 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:09,415 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 231 treesize of output 147 [2018-01-30 00:38:09,418 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:09,420 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 26 [2018-01-30 00:38:09,420 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:09,442 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:09,463 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-01-30 00:38:09,463 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:296, output treesize:186 [2018-01-30 00:38:09,589 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 183 treesize of output 95 [2018-01-30 00:38:09,591 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 24 [2018-01-30 00:38:09,591 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:09,606 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-01-30 00:38:09,606 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:09,620 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 27 [2018-01-30 00:38:09,621 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-30 00:38:09,634 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2018-01-30 00:38:09,635 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-30 00:38:09,646 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-01-30 00:38:09,664 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2018-01-30 00:38:09,666 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-01-30 00:38:09,666 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:09,671 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-01-30 00:38:09,671 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:09,672 INFO L267 ElimStorePlain]: Start of recursive call 7: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:09,685 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-01-30 00:38:09,685 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 7 variables, input treesize:200, output treesize:31 [2018-01-30 00:38:09,795 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:38:09,815 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-30 00:38:09,815 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 23] total 40 [2018-01-30 00:38:09,815 INFO L409 AbstractCegarLoop]: Interpolant automaton has 41 states [2018-01-30 00:38:09,816 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2018-01-30 00:38:09,816 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=1474, Unknown=0, NotChecked=0, Total=1640 [2018-01-30 00:38:09,816 INFO L87 Difference]: Start difference. First operand 373 states and 403 transitions. Second operand 41 states. [2018-01-30 00:38:13,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-30 00:38:13,438 INFO L93 Difference]: Finished difference Result 492 states and 526 transitions. [2018-01-30 00:38:13,439 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-01-30 00:38:13,439 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 71 [2018-01-30 00:38:13,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-30 00:38:13,440 INFO L225 Difference]: With dead ends: 492 [2018-01-30 00:38:13,440 INFO L226 Difference]: Without dead ends: 489 [2018-01-30 00:38:13,441 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 53 SyntacticMatches, 5 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1585 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=631, Invalid=4919, Unknown=0, NotChecked=0, Total=5550 [2018-01-30 00:38:13,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2018-01-30 00:38:13,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 348. [2018-01-30 00:38:13,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 348 states. [2018-01-30 00:38:13,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 375 transitions. [2018-01-30 00:38:13,456 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 375 transitions. Word has length 71 [2018-01-30 00:38:13,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-30 00:38:13,456 INFO L432 AbstractCegarLoop]: Abstraction has 348 states and 375 transitions. [2018-01-30 00:38:13,456 INFO L433 AbstractCegarLoop]: Interpolant automaton has 41 states. [2018-01-30 00:38:13,456 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 375 transitions. [2018-01-30 00:38:13,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-01-30 00:38:13,457 INFO L342 BasicCegarLoop]: Found error trace [2018-01-30 00:38:13,457 INFO L350 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-30 00:38:13,457 INFO L371 AbstractCegarLoop]: === Iteration 33 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-01-30 00:38:13,457 INFO L82 PathProgramCache]: Analyzing trace with hash -1264443094, now seen corresponding path program 2 times [2018-01-30 00:38:13,457 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-30 00:38:13,457 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-30 00:38:13,458 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:38:13,458 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 00:38:13,458 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:38:13,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:38:13,473 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-30 00:38:14,126 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:38:14,127 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-30 00:38:14,127 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-30 00:38:14,133 INFO L101 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-01-30 00:38:14,146 INFO L201 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-30 00:38:14,159 INFO L214 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-30 00:38:14,167 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-30 00:38:14,170 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-30 00:38:14,184 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:14,189 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:14,189 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-01-30 00:38:14,190 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:14,201 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:14,201 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:24 [2018-01-30 00:38:14,227 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-01-30 00:38:14,228 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-01-30 00:38:14,228 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:14,230 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:14,237 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:14,238 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:35, output treesize:32 [2018-01-30 00:38:14,314 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:14,317 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 37 [2018-01-30 00:38:14,319 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-01-30 00:38:14,319 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:14,324 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:14,331 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:14,331 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:44, output treesize:40 [2018-01-30 00:38:14,361 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:14,365 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 50 [2018-01-30 00:38:14,367 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:14,369 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2018-01-30 00:38:14,369 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:14,375 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:14,383 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:14,383 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:59, output treesize:40 [2018-01-30 00:38:14,386 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:14,386 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:14,387 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:14,387 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 46 [2018-01-30 00:38:14,388 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:14,398 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:14,398 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:51, output treesize:57 [2018-01-30 00:38:14,434 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:14,437 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 50 [2018-01-30 00:38:14,440 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 7 [2018-01-30 00:38:14,440 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:14,447 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:14,457 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:14,457 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:73, output treesize:58 [2018-01-30 00:38:14,561 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:14,561 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:14,566 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 81 [2018-01-30 00:38:14,568 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-01-30 00:38:14,568 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:14,578 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:14,589 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-30 00:38:14,589 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:89, output treesize:77 [2018-01-30 00:38:14,631 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:14,637 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 82 [2018-01-30 00:38:14,639 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:14,640 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2018-01-30 00:38:14,641 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:14,650 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:14,661 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-30 00:38:14,662 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:96, output treesize:77 [2018-01-30 00:38:14,670 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:14,671 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:14,672 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:14,675 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:14,676 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 99 [2018-01-30 00:38:14,676 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:14,695 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-30 00:38:14,695 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:88, output treesize:106 [2018-01-30 00:38:14,745 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:14,750 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 90 [2018-01-30 00:38:14,753 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 7 [2018-01-30 00:38:14,753 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:14,764 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:14,780 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-30 00:38:14,781 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:117, output treesize:115 [2018-01-30 00:38:14,936 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:14,937 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:14,938 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:14,948 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 137 [2018-01-30 00:38:14,951 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-01-30 00:38:14,951 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:14,968 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:14,985 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-01-30 00:38:14,986 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:170, output treesize:142 [2018-01-30 00:38:15,053 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 210 treesize of output 134 [2018-01-30 00:38:15,055 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:15,057 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 26 [2018-01-30 00:38:15,057 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:15,070 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:15,087 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-01-30 00:38:15,087 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:218, output treesize:163 [2018-01-30 00:38:15,206 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 89 [2018-01-30 00:38:15,209 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-01-30 00:38:15,209 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:15,222 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 22 [2018-01-30 00:38:15,223 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-30 00:38:15,236 INFO L682 Elim1Store]: detected equality via solver [2018-01-30 00:38:15,237 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 23 [2018-01-30 00:38:15,237 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:15,249 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2018-01-30 00:38:15,249 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-30 00:38:15,259 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-01-30 00:38:15,271 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-01-30 00:38:15,272 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:173, output treesize:45 [2018-01-30 00:38:15,390 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:38:15,411 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-30 00:38:15,411 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 24] total 42 [2018-01-30 00:38:15,412 INFO L409 AbstractCegarLoop]: Interpolant automaton has 43 states [2018-01-30 00:38:15,412 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2018-01-30 00:38:15,412 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=254, Invalid=1552, Unknown=0, NotChecked=0, Total=1806 [2018-01-30 00:38:15,412 INFO L87 Difference]: Start difference. First operand 348 states and 375 transitions. Second operand 43 states. [2018-01-30 00:38:19,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-30 00:38:19,417 INFO L93 Difference]: Finished difference Result 599 states and 643 transitions. [2018-01-30 00:38:19,417 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2018-01-30 00:38:19,417 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 71 [2018-01-30 00:38:19,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-30 00:38:19,419 INFO L225 Difference]: With dead ends: 599 [2018-01-30 00:38:19,419 INFO L226 Difference]: Without dead ends: 598 [2018-01-30 00:38:19,420 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 51 SyntacticMatches, 7 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3706 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=1922, Invalid=9208, Unknown=0, NotChecked=0, Total=11130 [2018-01-30 00:38:19,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 598 states. [2018-01-30 00:38:19,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 387. [2018-01-30 00:38:19,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 387 states. [2018-01-30 00:38:19,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 419 transitions. [2018-01-30 00:38:19,441 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 419 transitions. Word has length 71 [2018-01-30 00:38:19,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-30 00:38:19,441 INFO L432 AbstractCegarLoop]: Abstraction has 387 states and 419 transitions. [2018-01-30 00:38:19,441 INFO L433 AbstractCegarLoop]: Interpolant automaton has 43 states. [2018-01-30 00:38:19,441 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 419 transitions. [2018-01-30 00:38:19,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-01-30 00:38:19,442 INFO L342 BasicCegarLoop]: Found error trace [2018-01-30 00:38:19,442 INFO L350 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-30 00:38:19,442 INFO L371 AbstractCegarLoop]: === Iteration 34 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-01-30 00:38:19,442 INFO L82 PathProgramCache]: Analyzing trace with hash -1264443093, now seen corresponding path program 2 times [2018-01-30 00:38:19,442 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-30 00:38:19,442 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-30 00:38:19,443 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:38:19,443 INFO L99 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-01-30 00:38:19,443 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:38:19,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:38:19,455 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-30 00:38:20,265 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:38:20,265 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-30 00:38:20,265 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-30 00:38:20,270 INFO L101 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-01-30 00:38:20,289 INFO L201 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-30 00:38:20,309 INFO L214 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-30 00:38:20,317 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-30 00:38:20,323 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-30 00:38:20,385 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:20,389 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:20,390 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-01-30 00:38:20,390 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:20,412 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:20,412 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:27 [2018-01-30 00:38:20,492 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-01-30 00:38:20,494 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-01-30 00:38:20,495 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:20,497 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:20,525 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-01-30 00:38:20,528 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-01-30 00:38:20,528 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:20,532 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:20,545 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:20,546 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:46, output treesize:39 [2018-01-30 00:38:20,650 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:20,653 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 37 [2018-01-30 00:38:20,655 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-01-30 00:38:20,655 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:20,661 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:20,674 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:20,677 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 24 [2018-01-30 00:38:20,679 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 12 treesize of output 11 [2018-01-30 00:38:20,679 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:20,683 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:20,693 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:20,694 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:65, output treesize:61 [2018-01-30 00:38:20,738 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 48 [2018-01-30 00:38:20,740 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:20,741 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 37 [2018-01-30 00:38:20,742 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:20,748 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:20,766 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:20,769 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 61 [2018-01-30 00:38:20,771 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:20,773 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2018-01-30 00:38:20,773 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:20,781 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:20,793 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:20,793 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:106, output treesize:68 [2018-01-30 00:38:20,835 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:20,836 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:20,837 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:20,837 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 46 [2018-01-30 00:38:20,837 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:20,860 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 21 [2018-01-30 00:38:20,860 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:20,879 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:20,879 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:85, output treesize:90 [2018-01-30 00:38:20,938 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 36 [2018-01-30 00:38:20,941 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 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 18 treesize of output 11 [2018-01-30 00:38:20,941 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:20,947 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:20,971 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:20,974 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 55 [2018-01-30 00:38:20,977 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 7 [2018-01-30 00:38:20,977 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:20,985 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:21,003 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:21,003 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:117, output treesize:84 [2018-01-30 00:38:21,143 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:21,144 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:21,152 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 101 [2018-01-30 00:38:21,154 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-01-30 00:38:21,154 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:21,171 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:21,195 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:21,198 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 28 [2018-01-30 00:38:21,200 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 16 treesize of output 15 [2018-01-30 00:38:21,201 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:21,205 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:21,226 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-30 00:38:21,226 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:134, output treesize:134 [2018-01-30 00:38:21,295 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:21,296 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:21,304 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 125 [2018-01-30 00:38:21,308 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:21,309 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2018-01-30 00:38:21,310 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:21,332 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:21,365 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 52 [2018-01-30 00:38:21,368 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:21,370 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 45 [2018-01-30 00:38:21,370 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:21,376 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:21,398 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-30 00:38:21,398 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:172, output treesize:134 [2018-01-30 00:38:21,412 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:21,412 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:21,413 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:21,414 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:21,415 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 61 [2018-01-30 00:38:21,415 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:21,440 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 66 [2018-01-30 00:38:21,440 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:21,461 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-30 00:38:21,462 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:145, output treesize:136 [2018-01-30 00:38:21,514 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:21,515 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:21,521 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 115 [2018-01-30 00:38:21,525 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 7 [2018-01-30 00:38:21,525 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:21,541 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:21,570 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 44 [2018-01-30 00:38:21,573 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 15 [2018-01-30 00:38:21,573 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:21,578 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:21,599 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-30 00:38:21,599 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:158, output treesize:130 [2018-01-30 00:38:21,750 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:21,751 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:21,752 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:21,762 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 164 treesize of output 139 [2018-01-30 00:38:21,766 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-01-30 00:38:21,766 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:21,787 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:21,815 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 32 [2018-01-30 00:38:21,817 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 20 treesize of output 19 [2018-01-30 00:38:21,817 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:21,821 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:21,844 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-01-30 00:38:21,844 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:188, output treesize:168 [2018-01-30 00:38:21,925 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 286 treesize of output 178 [2018-01-30 00:38:21,929 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:21,931 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 26 [2018-01-30 00:38:21,931 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:21,956 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:21,991 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 69 [2018-01-30 00:38:21,994 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:21,996 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 26 [2018-01-30 00:38:21,996 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:22,002 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:22,032 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-01-30 00:38:22,032 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:299, output treesize:189 [2018-01-30 00:38:22,177 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 183 treesize of output 100 [2018-01-30 00:38:22,180 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 29 [2018-01-30 00:38:22,180 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-30 00:38:22,196 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-01-30 00:38:22,197 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:22,211 INFO L682 Elim1Store]: detected equality via solver [2018-01-30 00:38:22,212 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 25 [2018-01-30 00:38:22,212 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:22,226 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2018-01-30 00:38:22,227 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-30 00:38:22,239 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-01-30 00:38:22,267 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2018-01-30 00:38:22,269 INFO L682 Elim1Store]: detected equality via solver [2018-01-30 00:38:22,269 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-01-30 00:38:22,269 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:22,274 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-01-30 00:38:22,274 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:22,276 INFO L267 ElimStorePlain]: Start of recursive call 7: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:22,290 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-01-30 00:38:22,290 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 7 variables, input treesize:206, output treesize:34 [2018-01-30 00:38:22,408 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:38:22,429 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-30 00:38:22,429 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 25] total 44 [2018-01-30 00:38:22,429 INFO L409 AbstractCegarLoop]: Interpolant automaton has 45 states [2018-01-30 00:38:22,430 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2018-01-30 00:38:22,430 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=230, Invalid=1750, Unknown=0, NotChecked=0, Total=1980 [2018-01-30 00:38:22,430 INFO L87 Difference]: Start difference. First operand 387 states and 419 transitions. Second operand 45 states. [2018-01-30 00:38:27,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-30 00:38:27,202 INFO L93 Difference]: Finished difference Result 596 states and 642 transitions. [2018-01-30 00:38:27,202 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2018-01-30 00:38:27,203 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 71 [2018-01-30 00:38:27,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-30 00:38:27,204 INFO L225 Difference]: With dead ends: 596 [2018-01-30 00:38:27,204 INFO L226 Difference]: Without dead ends: 593 [2018-01-30 00:38:27,205 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 51 SyntacticMatches, 5 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3295 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=1464, Invalid=8838, Unknown=0, NotChecked=0, Total=10302 [2018-01-30 00:38:27,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2018-01-30 00:38:27,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 360. [2018-01-30 00:38:27,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2018-01-30 00:38:27,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 389 transitions. [2018-01-30 00:38:27,223 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 389 transitions. Word has length 71 [2018-01-30 00:38:27,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-30 00:38:27,223 INFO L432 AbstractCegarLoop]: Abstraction has 360 states and 389 transitions. [2018-01-30 00:38:27,223 INFO L433 AbstractCegarLoop]: Interpolant automaton has 45 states. [2018-01-30 00:38:27,223 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 389 transitions. [2018-01-30 00:38:27,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-01-30 00:38:27,224 INFO L342 BasicCegarLoop]: Found error trace [2018-01-30 00:38:27,224 INFO L350 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-30 00:38:27,224 INFO L371 AbstractCegarLoop]: === Iteration 35 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-01-30 00:38:27,224 INFO L82 PathProgramCache]: Analyzing trace with hash 1355678101, now seen corresponding path program 4 times [2018-01-30 00:38:27,224 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-30 00:38:27,224 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-30 00:38:27,225 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:38:27,225 INFO L99 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-01-30 00:38:27,225 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:38:27,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:38:27,234 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-30 00:38:27,507 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:38:27,507 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-30 00:38:27,507 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-30 00:38:27,512 INFO L101 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-01-30 00:38:27,535 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-30 00:38:27,538 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-30 00:38:27,544 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:27,545 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:27,545 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-01-30 00:38:27,545 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:27,552 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:27,552 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:24 [2018-01-30 00:38:27,576 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-01-30 00:38:27,578 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-01-30 00:38:27,578 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:27,579 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:27,589 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-01-30 00:38:27,591 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-01-30 00:38:27,591 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:27,592 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:27,600 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:27,600 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:43, output treesize:36 [2018-01-30 00:38:27,677 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:27,680 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 37 [2018-01-30 00:38:27,682 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 11 [2018-01-30 00:38:27,682 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:27,688 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:27,700 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:27,702 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2018-01-30 00:38:27,704 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 12 treesize of output 15 [2018-01-30 00:38:27,704 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:27,710 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:27,718 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:27,719 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:66, output treesize:70 [2018-01-30 00:38:27,753 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:27,756 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2018-01-30 00:38:27,758 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:27,759 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2018-01-30 00:38:27,759 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:27,768 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:27,785 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 66 [2018-01-30 00:38:27,787 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:27,788 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 45 [2018-01-30 00:38:27,789 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:27,796 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:27,805 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:27,805 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:108, output treesize:70 [2018-01-30 00:38:27,808 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:27,809 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:27,809 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:27,810 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 46 [2018-01-30 00:38:27,810 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:27,824 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:27,824 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:81, output treesize:87 [2018-01-30 00:38:27,868 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 58 [2018-01-30 00:38:27,871 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2018-01-30 00:38:27,871 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:27,878 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:27,895 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:27,898 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2018-01-30 00:38:27,900 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2018-01-30 00:38:27,900 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:27,909 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:27,922 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:27,922 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:109, output treesize:85 [2018-01-30 00:38:28,024 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:28,027 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 88 [2018-01-30 00:38:28,029 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-01-30 00:38:28,029 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:28,038 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:28,060 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:28,061 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:28,065 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 97 [2018-01-30 00:38:28,067 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-01-30 00:38:28,067 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:28,077 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:28,090 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:28,090 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:120, output treesize:100 [2018-01-30 00:38:28,134 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 209 treesize of output 183 [2018-01-30 00:38:28,136 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:28,138 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 26 [2018-01-30 00:38:28,138 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:28,151 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:28,174 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 164 treesize of output 121 [2018-01-30 00:38:28,176 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:28,177 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 26 [2018-01-30 00:38:28,177 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:28,187 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:28,199 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-30 00:38:28,199 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:231, output treesize:121 [2018-01-30 00:38:28,294 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 93 [2018-01-30 00:38:28,295 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 60 [2018-01-30 00:38:28,295 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:28,304 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-01-30 00:38:28,304 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:28,310 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:28,320 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-01-30 00:38:28,321 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:135, output treesize:89 [2018-01-30 00:38:28,399 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 50 [2018-01-30 00:38:28,402 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 16 [2018-01-30 00:38:28,402 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:28,409 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-01-30 00:38:28,409 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:28,415 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 14 [2018-01-30 00:38:28,416 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-30 00:38:28,421 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-30 00:38:28,426 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-01-30 00:38:28,427 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:90, output treesize:28 [2018-01-30 00:38:28,522 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:38:28,542 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-30 00:38:28,542 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 35 [2018-01-30 00:38:28,542 INFO L409 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-01-30 00:38:28,542 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-01-30 00:38:28,542 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=1112, Unknown=0, NotChecked=0, Total=1260 [2018-01-30 00:38:28,543 INFO L87 Difference]: Start difference. First operand 360 states and 389 transitions. Second operand 36 states. [2018-01-30 00:38:30,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-30 00:38:30,300 INFO L93 Difference]: Finished difference Result 460 states and 495 transitions. [2018-01-30 00:38:30,300 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-01-30 00:38:30,301 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 72 [2018-01-30 00:38:30,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-30 00:38:30,302 INFO L225 Difference]: With dead ends: 460 [2018-01-30 00:38:30,302 INFO L226 Difference]: Without dead ends: 459 [2018-01-30 00:38:30,302 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 57 SyntacticMatches, 2 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 702 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=408, Invalid=2562, Unknown=0, NotChecked=0, Total=2970 [2018-01-30 00:38:30,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2018-01-30 00:38:30,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 395. [2018-01-30 00:38:30,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2018-01-30 00:38:30,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 429 transitions. [2018-01-30 00:38:30,321 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 429 transitions. Word has length 72 [2018-01-30 00:38:30,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-30 00:38:30,321 INFO L432 AbstractCegarLoop]: Abstraction has 395 states and 429 transitions. [2018-01-30 00:38:30,321 INFO L433 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-01-30 00:38:30,321 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 429 transitions. [2018-01-30 00:38:30,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-01-30 00:38:30,322 INFO L342 BasicCegarLoop]: Found error trace [2018-01-30 00:38:30,322 INFO L350 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-30 00:38:30,322 INFO L371 AbstractCegarLoop]: === Iteration 36 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-01-30 00:38:30,322 INFO L82 PathProgramCache]: Analyzing trace with hash 1355678102, now seen corresponding path program 3 times [2018-01-30 00:38:30,322 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-30 00:38:30,322 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-30 00:38:30,323 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:38:30,323 INFO L99 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-01-30 00:38:30,323 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:38:30,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:38:30,332 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-30 00:38:30,705 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:38:30,705 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-30 00:38:30,705 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-30 00:38:30,710 INFO L101 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-01-30 00:38:30,720 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-30 00:38:30,727 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-30 00:38:30,751 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-30 00:38:30,754 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-30 00:38:30,758 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-30 00:38:30,840 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:30,841 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:30,841 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-01-30 00:38:30,841 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:30,848 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:30,849 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:27 [2018-01-30 00:38:30,879 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 11 treesize of output 8 [2018-01-30 00:38:30,880 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-01-30 00:38:30,880 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:30,881 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:30,892 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 11 treesize of output 8 [2018-01-30 00:38:30,894 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-01-30 00:38:30,894 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:30,895 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:30,903 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:30,904 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:46, output treesize:39 [2018-01-30 00:38:30,997 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:31,000 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 37 [2018-01-30 00:38:31,001 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 11 [2018-01-30 00:38:31,001 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:31,007 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:31,019 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:31,021 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2018-01-30 00:38:31,023 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 12 treesize of output 15 [2018-01-30 00:38:31,023 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:31,029 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:31,039 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:31,039 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:69, output treesize:73 [2018-01-30 00:38:31,078 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:31,081 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2018-01-30 00:38:31,083 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:31,085 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2018-01-30 00:38:31,085 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:31,093 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:31,111 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 66 [2018-01-30 00:38:31,113 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:31,114 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 45 [2018-01-30 00:38:31,114 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:31,122 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:31,132 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:31,132 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:111, output treesize:73 [2018-01-30 00:38:31,136 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:31,136 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:31,137 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:31,137 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 21 [2018-01-30 00:38:31,137 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:31,152 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-01-30 00:38:31,152 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:31,181 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:31,181 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:87, output treesize:79 [2018-01-30 00:38:31,222 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:31,224 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:31,225 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 69 [2018-01-30 00:38:31,228 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 34 [2018-01-30 00:38:31,228 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:31,244 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:31,259 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:31,260 INFO L682 Elim1Store]: detected equality via solver [2018-01-30 00:38:31,262 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 63 [2018-01-30 00:38:31,263 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 30 [2018-01-30 00:38:31,264 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:31,270 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:31,280 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:31,280 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:98, output treesize:81 [2018-01-30 00:38:31,383 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:31,384 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:31,385 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:31,386 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:31,390 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 111 [2018-01-30 00:38:31,392 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-01-30 00:38:31,392 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:31,404 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:31,418 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:31,418 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:31,423 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 99 [2018-01-30 00:38:31,425 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-01-30 00:38:31,425 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:31,435 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:31,446 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:31,446 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:116, output treesize:96 [2018-01-30 00:38:31,490 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:31,492 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:31,497 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 217 treesize of output 178 [2018-01-30 00:38:31,499 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:31,500 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 26 [2018-01-30 00:38:31,501 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:31,515 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:31,531 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:31,538 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 169 treesize of output 151 [2018-01-30 00:38:31,540 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:31,541 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 26 [2018-01-30 00:38:31,541 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:31,552 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:31,563 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-30 00:38:31,563 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:227, output treesize:117 [2018-01-30 00:38:31,765 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:31,766 INFO L682 Elim1Store]: detected equality via solver [2018-01-30 00:38:31,767 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:31,769 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 118 [2018-01-30 00:38:31,771 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-01-30 00:38:31,771 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:31,784 INFO L682 Elim1Store]: detected equality via solver [2018-01-30 00:38:31,784 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 34 [2018-01-30 00:38:31,784 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:31,794 INFO L682 Elim1Store]: detected equality via solver [2018-01-30 00:38:31,795 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 34 [2018-01-30 00:38:31,795 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-30 00:38:31,804 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-30 00:38:31,819 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 37 [2018-01-30 00:38:31,820 INFO L682 Elim1Store]: detected equality via solver [2018-01-30 00:38:31,820 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 18 [2018-01-30 00:38:31,821 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:31,828 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-01-30 00:38:31,828 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:31,832 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-01-30 00:38:31,832 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:31,833 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:31,840 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:31,840 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 5 variables, input treesize:150, output treesize:9 [2018-01-30 00:38:31,882 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:38:31,902 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-30 00:38:31,902 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 21] total 36 [2018-01-30 00:38:31,902 INFO L409 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-01-30 00:38:31,903 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-01-30 00:38:31,903 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=1197, Unknown=0, NotChecked=0, Total=1332 [2018-01-30 00:38:31,903 INFO L87 Difference]: Start difference. First operand 395 states and 429 transitions. Second operand 37 states. [2018-01-30 00:38:34,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-30 00:38:34,058 INFO L93 Difference]: Finished difference Result 468 states and 504 transitions. [2018-01-30 00:38:34,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-01-30 00:38:34,058 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 72 [2018-01-30 00:38:34,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-30 00:38:34,060 INFO L225 Difference]: With dead ends: 468 [2018-01-30 00:38:34,060 INFO L226 Difference]: Without dead ends: 465 [2018-01-30 00:38:34,060 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 57 SyntacticMatches, 3 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 917 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=517, Invalid=3389, Unknown=0, NotChecked=0, Total=3906 [2018-01-30 00:38:34,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2018-01-30 00:38:34,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 394. [2018-01-30 00:38:34,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2018-01-30 00:38:34,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 427 transitions. [2018-01-30 00:38:34,081 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 427 transitions. Word has length 72 [2018-01-30 00:38:34,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-30 00:38:34,081 INFO L432 AbstractCegarLoop]: Abstraction has 394 states and 427 transitions. [2018-01-30 00:38:34,081 INFO L433 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-01-30 00:38:34,081 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 427 transitions. [2018-01-30 00:38:34,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-01-30 00:38:34,082 INFO L342 BasicCegarLoop]: Found error trace [2018-01-30 00:38:34,082 INFO L350 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-30 00:38:34,082 INFO L371 AbstractCegarLoop]: === Iteration 37 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-01-30 00:38:34,083 INFO L82 PathProgramCache]: Analyzing trace with hash -807890890, now seen corresponding path program 3 times [2018-01-30 00:38:34,083 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-30 00:38:34,083 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-30 00:38:34,084 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:38:34,084 INFO L99 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-01-30 00:38:34,084 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:38:34,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:38:34,097 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-30 00:38:34,540 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:38:34,540 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-30 00:38:34,540 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-30 00:38:34,546 INFO L101 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-01-30 00:38:34,556 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-30 00:38:34,565 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-30 00:38:34,647 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-30 00:38:34,676 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-30 00:38:34,679 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-30 00:38:34,683 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-30 00:38:34,744 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2018-01-30 00:38:34,744 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:34,751 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2018-01-30 00:38:34,751 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:34,759 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:34,759 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:23 [2018-01-30 00:38:34,787 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 11 treesize of output 8 [2018-01-30 00:38:34,788 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-01-30 00:38:34,789 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:34,790 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:34,799 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 11 treesize of output 8 [2018-01-30 00:38:34,801 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-01-30 00:38:34,801 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:34,802 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:34,809 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:34,810 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:42, output treesize:35 [2018-01-30 00:38:34,839 INFO L477 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 11 [2018-01-30 00:38:34,840 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-01-30 00:38:34,840 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:34,842 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:34,848 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:34,848 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:43, output treesize:32 [2018-01-30 00:38:34,916 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 45 [2018-01-30 00:38:34,922 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 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 31 treesize of output 24 [2018-01-30 00:38:34,922 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:34,949 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 34 treesize of output 33 [2018-01-30 00:38:34,949 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:34,964 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-30 00:38:34,978 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-01-30 00:38:34,978 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:46, output treesize:67 [2018-01-30 00:38:35,025 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 59 treesize of output 56 [2018-01-30 00:38:35,027 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 10 treesize of output 9 [2018-01-30 00:38:35,028 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:35,038 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:35,041 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 71 treesize of output 72 [2018-01-30 00:38:35,043 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 14 treesize of output 13 [2018-01-30 00:38:35,043 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:35,055 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:35,087 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 55 treesize of output 50 [2018-01-30 00:38:35,090 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:35,091 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2018-01-30 00:38:35,091 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:35,100 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:35,136 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 71 treesize of output 75 [2018-01-30 00:38:35,139 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:35,141 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 62 [2018-01-30 00:38:35,141 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:35,188 INFO L267 ElimStorePlain]: Start of recursive call 8: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:35,208 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-01-30 00:38:35,208 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 3 variables, input treesize:131, output treesize:89 [2018-01-30 00:38:35,275 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:35,276 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:35,277 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 60 [2018-01-30 00:38:35,277 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:35,318 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:35,318 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 53 [2018-01-30 00:38:35,319 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:35,349 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:35,350 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:35,350 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 43 [2018-01-30 00:38:35,350 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:35,377 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 59 [2018-01-30 00:38:35,377 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:35,402 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-30 00:38:35,402 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:117, output treesize:103 [2018-01-30 00:38:35,469 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 72 [2018-01-30 00:38:35,471 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:35,472 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 27 [2018-01-30 00:38:35,473 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:35,489 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:35,541 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 93 treesize of output 94 [2018-01-30 00:38:35,543 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 12 treesize of output 11 [2018-01-30 00:38:35,543 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:35,559 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:35,562 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 59 [2018-01-30 00:38:35,564 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-01-30 00:38:35,564 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:35,576 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:35,623 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:35,633 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 93 treesize of output 102 [2018-01-30 00:38:35,637 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 94 [2018-01-30 00:38:35,637 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:35,688 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 65 [2018-01-30 00:38:35,689 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:35,723 INFO L267 ElimStorePlain]: Start of recursive call 8: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-30 00:38:35,781 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 60 [2018-01-30 00:38:35,783 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:35,784 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 27 [2018-01-30 00:38:35,784 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:35,797 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:35,800 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 77 [2018-01-30 00:38:35,803 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:35,804 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 35 [2018-01-30 00:38:35,804 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:35,817 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:35,862 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 53 [2018-01-30 00:38:35,864 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2018-01-30 00:38:35,864 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:35,874 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:35,902 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 5 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-01-30 00:38:35,902 INFO L202 ElimStorePlain]: Needed 16 recursive calls to eliminate 6 variables, input treesize:171, output treesize:117 [2018-01-30 00:38:36,101 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:36,105 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 138 [2018-01-30 00:38:36,106 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 16 treesize of output 23 [2018-01-30 00:38:36,107 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:36,125 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:36,193 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:36,197 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 94 [2018-01-30 00:38:36,199 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 11 [2018-01-30 00:38:36,199 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:36,217 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:36,272 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:36,275 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 98 [2018-01-30 00:38:36,277 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 16 treesize of output 19 [2018-01-30 00:38:36,277 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:36,291 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:36,337 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:36,340 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 83 [2018-01-30 00:38:36,341 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 12 treesize of output 15 [2018-01-30 00:38:36,341 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:36,354 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:36,392 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:36,395 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 150 [2018-01-30 00:38:36,396 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 20 treesize of output 27 [2018-01-30 00:38:36,397 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:36,412 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:36,445 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:36,446 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:36,449 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:36,459 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 122 treesize of output 131 [2018-01-30 00:38:36,462 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 151 treesize of output 158 [2018-01-30 00:38:36,463 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:36,541 INFO L682 Elim1Store]: detected equality via solver [2018-01-30 00:38:36,551 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 98 treesize of output 103 [2018-01-30 00:38:36,553 INFO L267 ElimStorePlain]: Start of recursive call 14: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 3 xjuncts. [2018-01-30 00:38:36,640 INFO L267 ElimStorePlain]: Start of recursive call 12: 2 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2018-01-30 00:38:36,726 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-2 vars, End of recursive call: 4 dim-0 vars, and 5 xjuncts. [2018-01-30 00:38:36,726 INFO L202 ElimStorePlain]: Needed 14 recursive calls to eliminate 6 variables, input treesize:219, output treesize:484 [2018-01-30 00:38:36,949 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 141 [2018-01-30 00:38:36,952 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:36,953 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 57 [2018-01-30 00:38:36,953 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:36,974 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:37,221 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:37,224 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 114 [2018-01-30 00:38:37,226 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:37,227 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2018-01-30 00:38:37,228 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:37,243 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:37,426 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:37,428 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 267 treesize of output 279 [2018-01-30 00:38:37,431 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 50 treesize of output 46 [2018-01-30 00:38:37,431 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:37,452 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:37,625 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:37,626 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:37,630 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:37,645 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 239 treesize of output 213 [2018-01-30 00:38:37,649 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:37,651 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 266 treesize of output 250 [2018-01-30 00:38:37,651 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:37,775 INFO L267 ElimStorePlain]: Start of recursive call 8: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:37,903 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:37,906 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 180 treesize of output 175 [2018-01-30 00:38:37,908 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:37,909 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 46 [2018-01-30 00:38:37,910 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:37,922 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:38,011 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:38,013 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:38,013 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 108 [2018-01-30 00:38:38,015 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 34 treesize of output 30 [2018-01-30 00:38:38,015 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:38,030 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:38,102 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 175 treesize of output 170 [2018-01-30 00:38:38,104 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:38,106 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2018-01-30 00:38:38,106 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:38,125 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:38,184 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:38,186 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 136 treesize of output 152 [2018-01-30 00:38:38,192 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 34 treesize of output 30 [2018-01-30 00:38:38,193 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:38,217 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:38,275 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:38,278 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 118 [2018-01-30 00:38:38,280 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:38,282 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2018-01-30 00:38:38,282 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:38,294 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:38,334 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 9 dim-2 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2018-01-30 00:38:38,334 INFO L202 ElimStorePlain]: Needed 19 recursive calls to eliminate 10 variables, input treesize:585, output treesize:283 [2018-01-30 00:38:39,186 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:39,186 INFO L682 Elim1Store]: detected equality via solver [2018-01-30 00:38:39,186 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 149 [2018-01-30 00:38:39,187 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:39,258 INFO L682 Elim1Store]: detected equality via solver [2018-01-30 00:38:39,258 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:39,259 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 153 [2018-01-30 00:38:39,259 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:39,322 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:39,323 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 103 [2018-01-30 00:38:39,323 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:39,382 INFO L682 Elim1Store]: detected equality via solver [2018-01-30 00:38:39,383 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:39,384 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:39,384 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 100 [2018-01-30 00:38:39,389 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 10 treesize of output 15 [2018-01-30 00:38:39,390 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:39,406 INFO L682 Elim1Store]: detected equality via solver [2018-01-30 00:38:39,406 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-01-30 00:38:39,406 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:39,417 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:39,469 INFO L682 Elim1Store]: detected equality via solver [2018-01-30 00:38:39,470 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:39,471 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:39,471 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 130 treesize of output 139 [2018-01-30 00:38:39,485 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 17 treesize of output 35 [2018-01-30 00:38:39,487 INFO L267 ElimStorePlain]: Start of recursive call 9: 6 dim-0 vars, End of recursive call: 6 dim-0 vars, and 8 xjuncts. [2018-01-30 00:38:39,514 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2018-01-30 00:38:39,514 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:39,529 INFO L267 ElimStorePlain]: Start of recursive call 8: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-30 00:38:39,597 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:39,597 INFO L682 Elim1Store]: detected equality via solver [2018-01-30 00:38:39,598 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:39,599 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 130 treesize of output 135 [2018-01-30 00:38:39,602 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:39,610 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 31 [2018-01-30 00:38:39,611 INFO L267 ElimStorePlain]: Start of recursive call 12: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 4 xjuncts. [2018-01-30 00:38:39,630 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2018-01-30 00:38:39,630 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:39,642 INFO L267 ElimStorePlain]: Start of recursive call 11: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:39,703 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 3 dim-1 vars, 3 dim-2 vars, End of recursive call: 8 dim-0 vars, and 4 xjuncts. [2018-01-30 00:38:39,704 INFO L202 ElimStorePlain]: Needed 13 recursive calls to eliminate 12 variables, input treesize:429, output treesize:342 [2018-01-30 00:38:40,004 INFO L682 Elim1Store]: detected equality via solver [2018-01-30 00:38:40,005 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:40,007 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:40,008 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 99 [2018-01-30 00:38:40,011 INFO L682 Elim1Store]: detected equality via solver [2018-01-30 00:38:40,017 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 56 treesize of output 48 [2018-01-30 00:38:40,018 INFO L267 ElimStorePlain]: Start of recursive call 3: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-01-30 00:38:40,042 INFO L682 Elim1Store]: detected equality via solver [2018-01-30 00:38:40,047 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 58 treesize of output 79 [2018-01-30 00:38:40,048 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-01-30 00:38:40,049 INFO L682 Elim1Store]: detected equality via solver [2018-01-30 00:38:40,050 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 59 [2018-01-30 00:38:40,050 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:40,081 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-01-30 00:38:40,106 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 38 [2018-01-30 00:38:40,108 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 21 [2018-01-30 00:38:40,139 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:40,147 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2018-01-30 00:38:40,147 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:40,152 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:40,153 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 36 [2018-01-30 00:38:40,155 INFO L682 Elim1Store]: detected equality via solver [2018-01-30 00:38:40,155 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 18 [2018-01-30 00:38:40,155 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:40,163 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2018-01-30 00:38:40,163 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:40,168 INFO L267 ElimStorePlain]: Start of recursive call 9: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:40,210 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 4 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:40,210 INFO L202 ElimStorePlain]: Needed 11 recursive calls to eliminate 8 variables, input treesize:222, output treesize:7 [2018-01-30 00:38:40,282 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 20 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-01-30 00:38:40,303 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-30 00:38:40,303 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 25] total 43 [2018-01-30 00:38:40,303 INFO L409 AbstractCegarLoop]: Interpolant automaton has 43 states [2018-01-30 00:38:40,304 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2018-01-30 00:38:40,304 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=1684, Unknown=11, NotChecked=0, Total=1806 [2018-01-30 00:38:40,304 INFO L87 Difference]: Start difference. First operand 394 states and 427 transitions. Second operand 43 states. [2018-01-30 00:38:42,671 WARN L146 SmtUtils]: Spent 169ms on a formula simplification. DAG size of input: 272 DAG size of output 76 [2018-01-30 00:38:42,994 WARN L146 SmtUtils]: Spent 116ms on a formula simplification. DAG size of input: 191 DAG size of output 97 [2018-01-30 00:38:43,284 WARN L146 SmtUtils]: Spent 112ms on a formula simplification. DAG size of input: 173 DAG size of output 110 [2018-01-30 00:38:43,644 WARN L146 SmtUtils]: Spent 109ms on a formula simplification. DAG size of input: 175 DAG size of output 112 [2018-01-30 00:38:44,430 WARN L146 SmtUtils]: Spent 279ms on a formula simplification. DAG size of input: 265 DAG size of output 203 [2018-01-30 00:38:44,857 WARN L143 SmtUtils]: Spent 291ms on a formula simplification that was a NOOP. DAG size: 228 [2018-01-30 00:38:45,077 WARN L143 SmtUtils]: Spent 111ms on a formula simplification that was a NOOP. DAG size: 199 [2018-01-30 00:38:45,330 WARN L143 SmtUtils]: Spent 130ms on a formula simplification that was a NOOP. DAG size: 180 [2018-01-30 00:38:45,900 WARN L146 SmtUtils]: Spent 358ms on a formula simplification. DAG size of input: 277 DAG size of output 186 [2018-01-30 00:38:46,524 WARN L146 SmtUtils]: Spent 414ms on a formula simplification. DAG size of input: 279 DAG size of output 191 [2018-01-30 00:38:46,960 WARN L146 SmtUtils]: Spent 299ms on a formula simplification. DAG size of input: 240 DAG size of output 181 [2018-01-30 00:38:47,437 WARN L146 SmtUtils]: Spent 344ms on a formula simplification. DAG size of input: 249 DAG size of output 182 [2018-01-30 00:38:47,967 WARN L146 SmtUtils]: Spent 308ms on a formula simplification. DAG size of input: 292 DAG size of output 183 [2018-01-30 00:38:48,388 WARN L146 SmtUtils]: Spent 140ms on a formula simplification. DAG size of input: 242 DAG size of output 123 [2018-01-30 00:38:48,635 WARN L146 SmtUtils]: Spent 130ms on a formula simplification. DAG size of input: 209 DAG size of output 103 [2018-01-30 00:38:49,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-30 00:38:49,708 INFO L93 Difference]: Finished difference Result 483 states and 514 transitions. [2018-01-30 00:38:49,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-01-30 00:38:49,708 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 73 [2018-01-30 00:38:49,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-30 00:38:49,710 INFO L225 Difference]: With dead ends: 483 [2018-01-30 00:38:49,710 INFO L226 Difference]: Without dead ends: 407 [2018-01-30 00:38:49,710 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 56 SyntacticMatches, 1 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1180 ImplicationChecksByTransitivity, 8.6s TimeCoverageRelationStatistics Valid=669, Invalid=5471, Unknown=22, NotChecked=0, Total=6162 [2018-01-30 00:38:49,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2018-01-30 00:38:49,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 389. [2018-01-30 00:38:49,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 389 states. [2018-01-30 00:38:49,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 420 transitions. [2018-01-30 00:38:49,731 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 420 transitions. Word has length 73 [2018-01-30 00:38:49,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-30 00:38:49,731 INFO L432 AbstractCegarLoop]: Abstraction has 389 states and 420 transitions. [2018-01-30 00:38:49,731 INFO L433 AbstractCegarLoop]: Interpolant automaton has 43 states. [2018-01-30 00:38:49,731 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 420 transitions. [2018-01-30 00:38:49,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-01-30 00:38:49,732 INFO L342 BasicCegarLoop]: Found error trace [2018-01-30 00:38:49,732 INFO L350 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-30 00:38:49,732 INFO L371 AbstractCegarLoop]: === Iteration 38 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-01-30 00:38:49,732 INFO L82 PathProgramCache]: Analyzing trace with hash 404600450, now seen corresponding path program 2 times [2018-01-30 00:38:49,732 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-30 00:38:49,733 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-30 00:38:49,733 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:38:49,734 INFO L99 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-01-30 00:38:49,734 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:38:49,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:38:49,743 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-30 00:38:50,001 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:38:50,001 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-30 00:38:50,001 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-30 00:38:50,006 INFO L101 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-01-30 00:38:50,017 INFO L201 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-30 00:38:50,027 INFO L214 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-30 00:38:50,031 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-30 00:38:50,034 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-30 00:38:50,104 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:50,104 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:50,105 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-01-30 00:38:50,105 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:50,113 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:50,113 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:27 [2018-01-30 00:38:50,140 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 11 treesize of output 8 [2018-01-30 00:38:50,141 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-01-30 00:38:50,142 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:50,143 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:50,153 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 11 treesize of output 8 [2018-01-30 00:38:50,154 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-01-30 00:38:50,155 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:50,156 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:50,164 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:50,164 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:46, output treesize:39 [2018-01-30 00:38:50,251 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:50,254 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 37 [2018-01-30 00:38:50,256 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 11 [2018-01-30 00:38:50,256 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:50,261 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:50,274 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:50,276 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2018-01-30 00:38:50,277 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 12 treesize of output 15 [2018-01-30 00:38:50,278 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:50,283 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:50,293 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:50,293 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:69, output treesize:73 [2018-01-30 00:38:50,338 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:50,341 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2018-01-30 00:38:50,343 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:50,344 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2018-01-30 00:38:50,345 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:50,353 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:50,372 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 66 [2018-01-30 00:38:50,374 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:50,375 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 45 [2018-01-30 00:38:50,375 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:50,384 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:50,394 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:50,395 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:111, output treesize:73 [2018-01-30 00:38:50,398 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:50,398 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:50,399 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:50,399 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 46 [2018-01-30 00:38:50,400 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:50,415 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:50,416 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:84, output treesize:90 [2018-01-30 00:38:50,462 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:50,464 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:50,465 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 78 [2018-01-30 00:38:50,468 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 34 [2018-01-30 00:38:50,468 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:50,478 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:50,495 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:50,499 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 58 [2018-01-30 00:38:50,501 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2018-01-30 00:38:50,501 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:50,508 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:50,520 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:50,520 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:112, output treesize:80 [2018-01-30 00:38:50,631 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:50,632 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:50,633 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:50,636 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:50,638 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 105 [2018-01-30 00:38:50,640 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-01-30 00:38:50,640 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:50,652 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:50,666 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:50,668 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 68 [2018-01-30 00:38:50,670 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-01-30 00:38:50,670 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:50,677 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:50,689 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:50,689 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:115, output treesize:95 [2018-01-30 00:38:50,734 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:50,736 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:50,741 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 211 treesize of output 172 [2018-01-30 00:38:50,744 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:50,745 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 26 [2018-01-30 00:38:50,745 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:50,759 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:50,779 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 154 treesize of output 128 [2018-01-30 00:38:50,781 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:50,782 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 26 [2018-01-30 00:38:50,782 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:50,791 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:50,803 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-30 00:38:50,803 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:226, output treesize:116 [2018-01-30 00:38:50,907 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 93 [2018-01-30 00:38:50,909 INFO L682 Elim1Store]: detected equality via solver [2018-01-30 00:38:50,939 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 63 [2018-01-30 00:38:50,940 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:50,949 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-01-30 00:38:50,950 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:50,956 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:50,968 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-01-30 00:38:50,968 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:133, output treesize:84 [2018-01-30 00:38:51,054 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:51,055 INFO L682 Elim1Store]: detected equality via solver [2018-01-30 00:38:51,055 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:51,058 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:51,058 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 74 [2018-01-30 00:38:51,061 INFO L682 Elim1Store]: detected equality via solver [2018-01-30 00:38:51,065 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 33 [2018-01-30 00:38:51,066 INFO L267 ElimStorePlain]: Start of recursive call 3: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-01-30 00:38:51,082 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-01-30 00:38:51,082 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:51,099 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 35 [2018-01-30 00:38:51,100 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-01-30 00:38:51,101 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 23 [2018-01-30 00:38:51,101 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:51,117 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-01-30 00:38:51,134 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2018-01-30 00:38:51,134 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 4 variables, input treesize:88, output treesize:57 [2018-01-30 00:38:51,256 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:38:51,276 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-30 00:38:51,276 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 21] total 39 [2018-01-30 00:38:51,276 INFO L409 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-01-30 00:38:51,276 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-01-30 00:38:51,276 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=185, Invalid=1375, Unknown=0, NotChecked=0, Total=1560 [2018-01-30 00:38:51,276 INFO L87 Difference]: Start difference. First operand 389 states and 420 transitions. Second operand 40 states. [2018-01-30 00:38:53,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-30 00:38:53,236 INFO L93 Difference]: Finished difference Result 459 states and 493 transitions. [2018-01-30 00:38:53,236 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-01-30 00:38:53,236 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 74 [2018-01-30 00:38:53,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-30 00:38:53,238 INFO L225 Difference]: With dead ends: 459 [2018-01-30 00:38:53,238 INFO L226 Difference]: Without dead ends: 458 [2018-01-30 00:38:53,238 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1281 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=746, Invalid=4224, Unknown=0, NotChecked=0, Total=4970 [2018-01-30 00:38:53,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2018-01-30 00:38:53,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 398. [2018-01-30 00:38:53,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 398 states. [2018-01-30 00:38:53,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 430 transitions. [2018-01-30 00:38:53,265 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 430 transitions. Word has length 74 [2018-01-30 00:38:53,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-30 00:38:53,266 INFO L432 AbstractCegarLoop]: Abstraction has 398 states and 430 transitions. [2018-01-30 00:38:53,266 INFO L433 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-01-30 00:38:53,266 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 430 transitions. [2018-01-30 00:38:53,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-01-30 00:38:53,266 INFO L342 BasicCegarLoop]: Found error trace [2018-01-30 00:38:53,266 INFO L350 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-30 00:38:53,267 INFO L371 AbstractCegarLoop]: === Iteration 39 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-01-30 00:38:53,267 INFO L82 PathProgramCache]: Analyzing trace with hash 404600451, now seen corresponding path program 1 times [2018-01-30 00:38:53,267 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-30 00:38:53,267 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-30 00:38:53,267 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:38:53,267 INFO L99 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-01-30 00:38:53,268 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:38:53,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:38:53,278 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-30 00:38:53,935 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:38:53,935 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-30 00:38:53,936 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-30 00:38:53,941 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 00:38:53,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:38:53,981 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-30 00:38:53,988 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:53,989 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:53,989 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-01-30 00:38:53,990 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:53,996 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:53,996 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:21 [2018-01-30 00:38:54,020 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-01-30 00:38:54,022 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-01-30 00:38:54,022 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:54,023 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:54,033 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-01-30 00:38:54,034 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-01-30 00:38:54,034 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:54,035 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:54,042 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:54,043 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:43, output treesize:29 [2018-01-30 00:38:54,099 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 24 [2018-01-30 00:38:54,101 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 12 treesize of output 15 [2018-01-30 00:38:54,101 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:54,105 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:54,117 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 35 [2018-01-30 00:38:54,119 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 11 [2018-01-30 00:38:54,119 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:54,124 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:54,133 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:54,133 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:51, output treesize:55 [2018-01-30 00:38:54,173 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 59 [2018-01-30 00:38:54,176 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:54,177 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 45 [2018-01-30 00:38:54,178 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:54,187 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:54,205 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 52 [2018-01-30 00:38:54,208 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:54,209 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2018-01-30 00:38:54,209 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:54,216 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:54,226 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:54,226 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:93, output treesize:55 [2018-01-30 00:38:54,229 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2018-01-30 00:38:54,229 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:54,244 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:54,244 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:54,245 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:54,245 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2018-01-30 00:38:54,245 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:54,257 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:54,257 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:69, output treesize:61 [2018-01-30 00:38:54,298 INFO L682 Elim1Store]: detected equality via solver [2018-01-30 00:38:54,301 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 56 [2018-01-30 00:38:54,304 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2018-01-30 00:38:54,305 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:54,314 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:54,331 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 44 [2018-01-30 00:38:54,334 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2018-01-30 00:38:54,334 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:54,339 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:54,349 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:54,350 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:80, output treesize:71 [2018-01-30 00:38:54,436 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:54,437 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:54,443 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 112 [2018-01-30 00:38:54,444 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-01-30 00:38:54,445 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:54,456 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:54,468 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:54,473 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 91 [2018-01-30 00:38:54,475 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-01-30 00:38:54,475 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:54,483 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:54,493 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:54,493 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:114, output treesize:82 [2018-01-30 00:38:54,535 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 225 treesize of output 170 [2018-01-30 00:38:54,538 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:54,539 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 26 [2018-01-30 00:38:54,539 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:54,553 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:54,573 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 144 [2018-01-30 00:38:54,575 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:54,576 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 26 [2018-01-30 00:38:54,576 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:54,586 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:54,595 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-30 00:38:54,595 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:225, output treesize:115 [2018-01-30 00:38:54,764 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 98 [2018-01-30 00:38:54,766 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 23 [2018-01-30 00:38:54,766 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:54,776 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-01-30 00:38:54,776 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:54,785 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 31 [2018-01-30 00:38:54,785 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-30 00:38:54,793 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-30 00:38:54,803 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2018-01-30 00:38:54,804 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-01-30 00:38:54,804 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:54,810 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 3 [2018-01-30 00:38:54,810 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:54,812 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:54,816 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:54,817 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 5 variables, input treesize:145, output treesize:9 [2018-01-30 00:38:54,871 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:38:54,892 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-30 00:38:54,892 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 19] total 31 [2018-01-30 00:38:54,892 INFO L409 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-01-30 00:38:54,892 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-01-30 00:38:54,892 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=894, Unknown=0, NotChecked=0, Total=992 [2018-01-30 00:38:54,892 INFO L87 Difference]: Start difference. First operand 398 states and 430 transitions. Second operand 32 states. [2018-01-30 00:38:56,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-30 00:38:56,342 INFO L93 Difference]: Finished difference Result 464 states and 498 transitions. [2018-01-30 00:38:56,342 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-01-30 00:38:56,342 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 74 [2018-01-30 00:38:56,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-30 00:38:56,344 INFO L225 Difference]: With dead ends: 464 [2018-01-30 00:38:56,344 INFO L226 Difference]: Without dead ends: 462 [2018-01-30 00:38:56,344 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 59 SyntacticMatches, 7 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 614 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=270, Invalid=2180, Unknown=0, NotChecked=0, Total=2450 [2018-01-30 00:38:56,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2018-01-30 00:38:56,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 401. [2018-01-30 00:38:56,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 401 states. [2018-01-30 00:38:56,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 432 transitions. [2018-01-30 00:38:56,371 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 432 transitions. Word has length 74 [2018-01-30 00:38:56,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-30 00:38:56,371 INFO L432 AbstractCegarLoop]: Abstraction has 401 states and 432 transitions. [2018-01-30 00:38:56,371 INFO L433 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-01-30 00:38:56,371 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 432 transitions. [2018-01-30 00:38:56,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-01-30 00:38:56,372 INFO L342 BasicCegarLoop]: Found error trace [2018-01-30 00:38:56,372 INFO L350 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-30 00:38:56,372 INFO L371 AbstractCegarLoop]: === Iteration 40 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-01-30 00:38:56,372 INFO L82 PathProgramCache]: Analyzing trace with hash -1595113627, now seen corresponding path program 1 times [2018-01-30 00:38:56,372 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-30 00:38:56,373 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-30 00:38:56,373 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:38:56,373 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 00:38:56,374 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:38:56,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:38:56,384 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-30 00:38:56,825 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:38:56,825 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-30 00:38:56,825 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-30 00:38:56,835 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 00:38:56,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:38:56,862 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-30 00:38:56,867 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:56,868 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:56,868 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-01-30 00:38:56,868 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:56,874 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:56,874 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:21 [2018-01-30 00:38:56,899 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-01-30 00:38:56,900 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-01-30 00:38:56,900 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:56,902 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:56,911 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-01-30 00:38:56,913 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-01-30 00:38:56,913 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:56,914 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:56,922 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:56,922 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:43, output treesize:29 [2018-01-30 00:38:56,983 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 20 [2018-01-30 00:38:56,984 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 11 [2018-01-30 00:38:56,984 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:56,988 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:57,000 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 35 [2018-01-30 00:38:57,001 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 12 treesize of output 15 [2018-01-30 00:38:57,001 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:57,006 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:57,014 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:57,014 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:51, output treesize:55 [2018-01-30 00:38:57,049 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 52 [2018-01-30 00:38:57,052 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:57,053 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2018-01-30 00:38:57,053 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:57,059 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:57,075 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 59 [2018-01-30 00:38:57,078 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:57,079 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 45 [2018-01-30 00:38:57,079 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:57,085 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:57,093 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:57,093 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:93, output treesize:55 [2018-01-30 00:38:57,096 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:57,096 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:57,097 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:57,097 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2018-01-30 00:38:57,097 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:57,107 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:57,107 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:63, output treesize:56 [2018-01-30 00:38:57,142 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 44 [2018-01-30 00:38:57,144 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2018-01-30 00:38:57,144 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:57,149 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:57,161 INFO L682 Elim1Store]: detected equality via solver [2018-01-30 00:38:57,162 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 56 [2018-01-30 00:38:57,164 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2018-01-30 00:38:57,164 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:57,169 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:57,177 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:57,177 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:75, output treesize:58 [2018-01-30 00:38:57,272 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:57,273 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:57,279 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 105 [2018-01-30 00:38:57,281 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 19 [2018-01-30 00:38:57,281 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:57,292 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:57,305 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:57,310 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 109 [2018-01-30 00:38:57,312 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 19 [2018-01-30 00:38:57,312 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:57,322 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:57,331 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:57,332 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:115, output treesize:116 [2018-01-30 00:38:57,375 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 272 treesize of output 254 [2018-01-30 00:38:57,378 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:57,379 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 62 [2018-01-30 00:38:57,379 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:57,391 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:57,408 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 201 treesize of output 162 [2018-01-30 00:38:57,410 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:38:57,412 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 62 [2018-01-30 00:38:57,412 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:57,420 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:57,428 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:57,428 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:280, output treesize:122 [2018-01-30 00:38:57,693 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 184 treesize of output 132 [2018-01-30 00:38:57,695 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 45 [2018-01-30 00:38:57,695 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-30 00:38:57,706 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 27 [2018-01-30 00:38:57,706 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:57,715 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 61 [2018-01-30 00:38:57,715 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-30 00:38:57,723 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-01-30 00:38:57,733 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 45 [2018-01-30 00:38:57,735 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-01-30 00:38:57,735 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:57,741 INFO L477 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 22 treesize of output 16 [2018-01-30 00:38:57,742 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-30 00:38:57,746 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 7 [2018-01-30 00:38:57,746 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-01-30 00:38:57,748 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:57,753 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:38:57,753 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 4 variables, input treesize:184, output treesize:7 [2018-01-30 00:38:57,795 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:38:57,815 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-30 00:38:57,816 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 37 [2018-01-30 00:38:57,816 INFO L409 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-01-30 00:38:57,816 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-01-30 00:38:57,816 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=1218, Unknown=3, NotChecked=0, Total=1332 [2018-01-30 00:38:57,816 INFO L87 Difference]: Start difference. First operand 401 states and 432 transitions. Second operand 37 states. [2018-01-30 00:38:59,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-30 00:38:59,422 INFO L93 Difference]: Finished difference Result 460 states and 488 transitions. [2018-01-30 00:38:59,422 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-01-30 00:38:59,422 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 76 [2018-01-30 00:38:59,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-30 00:38:59,423 INFO L225 Difference]: With dead ends: 460 [2018-01-30 00:38:59,423 INFO L226 Difference]: Without dead ends: 390 [2018-01-30 00:38:59,424 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 62 SyntacticMatches, 5 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 914 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=311, Invalid=3107, Unknown=4, NotChecked=0, Total=3422 [2018-01-30 00:38:59,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2018-01-30 00:38:59,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 380. [2018-01-30 00:38:59,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2018-01-30 00:38:59,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 403 transitions. [2018-01-30 00:38:59,443 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 403 transitions. Word has length 76 [2018-01-30 00:38:59,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-30 00:38:59,443 INFO L432 AbstractCegarLoop]: Abstraction has 380 states and 403 transitions. [2018-01-30 00:38:59,443 INFO L433 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-01-30 00:38:59,444 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 403 transitions. [2018-01-30 00:38:59,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-01-30 00:38:59,444 INFO L342 BasicCegarLoop]: Found error trace [2018-01-30 00:38:59,445 INFO L350 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-30 00:38:59,445 INFO L371 AbstractCegarLoop]: === Iteration 41 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-01-30 00:38:59,445 INFO L82 PathProgramCache]: Analyzing trace with hash 419969258, now seen corresponding path program 1 times [2018-01-30 00:38:59,445 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-30 00:38:59,445 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-30 00:38:59,446 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:38:59,446 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 00:38:59,446 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:38:59,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:38:59,458 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-30 00:39:00,482 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:39:00,482 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-30 00:39:00,482 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-30 00:39:00,487 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 00:39:00,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:39:00,510 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-30 00:39:00,724 INFO L477 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 26 treesize of output 22 [2018-01-30 00:39:00,729 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 23 [2018-01-30 00:39:00,729 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-01-30 00:39:00,734 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-01-30 00:39:00,745 INFO L477 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 33 treesize of output 27 [2018-01-30 00:39:00,747 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 18 [2018-01-30 00:39:00,747 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-30 00:39:00,751 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-30 00:39:00,752 INFO L477 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 29 treesize of output 23 [2018-01-30 00:39:00,757 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 22 [2018-01-30 00:39:00,758 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-01-30 00:39:00,765 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-01-30 00:39:00,780 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 3 xjuncts. [2018-01-30 00:39:00,780 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:46, output treesize:58 [2018-01-30 00:39:00,929 INFO L477 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 20 treesize of output 16 [2018-01-30 00:39:00,930 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 4 [2018-01-30 00:39:00,930 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:39:00,931 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:39:00,933 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:39:00,933 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:23, output treesize:8 [2018-01-30 00:39:00,980 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-01-30 00:39:01,000 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-30 00:39:01,000 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 14] total 40 [2018-01-30 00:39:01,000 INFO L409 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-01-30 00:39:01,000 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-01-30 00:39:01,000 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=1425, Unknown=2, NotChecked=0, Total=1560 [2018-01-30 00:39:01,000 INFO L87 Difference]: Start difference. First operand 380 states and 403 transitions. Second operand 40 states. [2018-01-30 00:39:05,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-30 00:39:05,534 INFO L93 Difference]: Finished difference Result 500 states and 529 transitions. [2018-01-30 00:39:05,534 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2018-01-30 00:39:05,534 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 77 [2018-01-30 00:39:05,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-30 00:39:05,536 INFO L225 Difference]: With dead ends: 500 [2018-01-30 00:39:05,536 INFO L226 Difference]: Without dead ends: 464 [2018-01-30 00:39:05,536 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 66 SyntacticMatches, 4 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2771 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=1290, Invalid=8798, Unknown=12, NotChecked=0, Total=10100 [2018-01-30 00:39:05,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2018-01-30 00:39:05,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 433. [2018-01-30 00:39:05,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 433 states. [2018-01-30 00:39:05,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 469 transitions. [2018-01-30 00:39:05,559 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 469 transitions. Word has length 77 [2018-01-30 00:39:05,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-30 00:39:05,559 INFO L432 AbstractCegarLoop]: Abstraction has 433 states and 469 transitions. [2018-01-30 00:39:05,559 INFO L433 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-01-30 00:39:05,559 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 469 transitions. [2018-01-30 00:39:05,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-01-30 00:39:05,559 INFO L342 BasicCegarLoop]: Found error trace [2018-01-30 00:39:05,560 INFO L350 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-30 00:39:05,560 INFO L371 AbstractCegarLoop]: === Iteration 42 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-01-30 00:39:05,560 INFO L82 PathProgramCache]: Analyzing trace with hash -1669515861, now seen corresponding path program 2 times [2018-01-30 00:39:05,560 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-30 00:39:05,560 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-30 00:39:05,560 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:39:05,561 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 00:39:05,561 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:39:05,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:39:05,571 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-30 00:39:05,761 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-01-30 00:39:05,761 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-30 00:39:05,761 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-30 00:39:05,766 INFO L101 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-01-30 00:39:05,778 INFO L201 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-30 00:39:05,789 INFO L214 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-30 00:39:05,793 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-30 00:39:05,796 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-30 00:39:05,846 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:39:05,847 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:39:05,847 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-01-30 00:39:05,847 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-30 00:39:05,855 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:39:05,855 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:28 [2018-01-30 00:39:05,877 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 11 treesize of output 8 [2018-01-30 00:39:05,879 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-01-30 00:39:05,879 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:39:05,880 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:39:05,888 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:39:05,888 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:39, output treesize:40 [2018-01-30 00:39:05,952 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:39:05,955 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 45 [2018-01-30 00:39:05,956 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-01-30 00:39:05,956 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:39:05,962 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:39:05,970 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:39:05,970 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:52, output treesize:48 [2018-01-30 00:39:05,995 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:39:05,998 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 58 [2018-01-30 00:39:06,000 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:39:06,001 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2018-01-30 00:39:06,001 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:39:06,008 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:39:06,015 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:39:06,016 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:67, output treesize:48 [2018-01-30 00:39:06,018 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:39:06,019 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:39:06,019 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:39:06,019 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 21 [2018-01-30 00:39:06,020 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-30 00:39:06,027 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:39:06,027 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:53, output treesize:46 [2018-01-30 00:39:06,050 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:39:06,060 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 49 [2018-01-30 00:39:06,062 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 7 [2018-01-30 00:39:06,062 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:39:06,068 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:39:06,076 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:39:06,076 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:57, output treesize:47 [2018-01-30 00:39:06,144 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:39:06,144 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:39:06,149 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 71 [2018-01-30 00:39:06,151 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-01-30 00:39:06,151 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:39:06,159 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:39:06,167 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-30 00:39:06,167 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:70, output treesize:58 [2018-01-30 00:39:06,204 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 76 [2018-01-30 00:39:06,206 INFO L700 Elim1Store]: detected not equals via solver [2018-01-30 00:39:06,207 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 22 [2018-01-30 00:39:06,207 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:39:06,214 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:39:06,220 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-01-30 00:39:06,221 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:106, output treesize:63 [2018-01-30 00:39:06,275 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 42 [2018-01-30 00:39:06,276 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-01-30 00:39:06,277 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-30 00:39:06,283 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 15 [2018-01-30 00:39:06,284 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-01-30 00:39:06,288 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2018-01-30 00:39:06,289 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-30 00:39:06,291 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:39:06,294 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:39:06,294 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:70, output treesize:8 [2018-01-30 00:39:06,371 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-01-30 00:39:06,391 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-30 00:39:06,391 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 21] total 34 [2018-01-30 00:39:06,391 INFO L409 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-01-30 00:39:06,391 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-01-30 00:39:06,392 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=970, Unknown=0, NotChecked=0, Total=1122 [2018-01-30 00:39:06,392 INFO L87 Difference]: Start difference. First operand 433 states and 469 transitions. Second operand 34 states. [2018-01-30 00:39:08,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-30 00:39:08,610 INFO L93 Difference]: Finished difference Result 666 states and 729 transitions. [2018-01-30 00:39:08,610 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2018-01-30 00:39:08,610 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 77 [2018-01-30 00:39:08,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-30 00:39:08,612 INFO L225 Difference]: With dead ends: 666 [2018-01-30 00:39:08,612 INFO L226 Difference]: Without dead ends: 651 [2018-01-30 00:39:08,613 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 62 SyntacticMatches, 4 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2098 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=1112, Invalid=6028, Unknown=0, NotChecked=0, Total=7140 [2018-01-30 00:39:08,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 651 states. [2018-01-30 00:39:08,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 651 to 514. [2018-01-30 00:39:08,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 514 states. [2018-01-30 00:39:08,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 568 transitions. [2018-01-30 00:39:08,642 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 568 transitions. Word has length 77 [2018-01-30 00:39:08,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-30 00:39:08,642 INFO L432 AbstractCegarLoop]: Abstraction has 514 states and 568 transitions. [2018-01-30 00:39:08,642 INFO L433 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-01-30 00:39:08,642 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 568 transitions. [2018-01-30 00:39:08,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-01-30 00:39:08,643 INFO L342 BasicCegarLoop]: Found error trace [2018-01-30 00:39:08,643 INFO L350 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-30 00:39:08,643 INFO L371 AbstractCegarLoop]: === Iteration 43 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr46EnsuresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-01-30 00:39:08,643 INFO L82 PathProgramCache]: Analyzing trace with hash 2125073818, now seen corresponding path program 1 times [2018-01-30 00:39:08,643 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-30 00:39:08,643 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-30 00:39:08,644 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:39:08,644 INFO L99 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-01-30 00:39:08,644 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:39:08,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:39:08,653 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-30 00:39:09,140 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:39:09,140 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-30 00:39:09,140 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-30 00:39:09,145 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 00:39:09,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:39:09,172 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-30 00:39:09,173 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2018-01-30 00:39:09,174 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-30 00:39:09,175 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-30 00:39:09,175 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 Received shutdown request... [2018-01-30 00:39:09,251 INFO L175 TraceCheckSpWp]: Timeout while computing interpolants [2018-01-30 00:39:09,251 WARN L491 AbstractCegarLoop]: Verification canceled [2018-01-30 00:39:09,257 WARN L185 ceAbstractionStarter]: Timeout [2018-01-30 00:39:09,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.01 12:39:09 BoogieIcfgContainer [2018-01-30 00:39:09,257 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-30 00:39:09,258 INFO L168 Benchmark]: Toolchain (without parser) took 121375.19 ms. Allocated memory was 306.2 MB in the beginning and 610.8 MB in the end (delta: 304.6 MB). Free memory was 266.2 MB in the beginning and 440.6 MB in the end (delta: -174.4 MB). Peak memory consumption was 130.3 MB. Max. memory is 5.3 GB. [2018-01-30 00:39:09,259 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 306.2 MB. Free memory is still 272.2 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-30 00:39:09,259 INFO L168 Benchmark]: CACSL2BoogieTranslator took 221.42 ms. Allocated memory is still 306.2 MB. Free memory was 265.2 MB in the beginning and 253.0 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 5.3 GB. [2018-01-30 00:39:09,259 INFO L168 Benchmark]: Boogie Preprocessor took 43.62 ms. Allocated memory is still 306.2 MB. Free memory was 253.0 MB in the beginning and 251.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-30 00:39:09,260 INFO L168 Benchmark]: RCFGBuilder took 547.88 ms. Allocated memory is still 306.2 MB. Free memory was 251.0 MB in the beginning and 217.4 MB in the end (delta: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 5.3 GB. [2018-01-30 00:39:09,260 INFO L168 Benchmark]: TraceAbstraction took 120553.50 ms. Allocated memory was 306.2 MB in the beginning and 610.8 MB in the end (delta: 304.6 MB). Free memory was 217.4 MB in the beginning and 440.6 MB in the end (delta: -223.1 MB). Peak memory consumption was 81.5 MB. Max. memory is 5.3 GB. [2018-01-30 00:39:09,262 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 306.2 MB. Free memory is still 272.2 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 221.42 ms. Allocated memory is still 306.2 MB. Free memory was 265.2 MB in the beginning and 253.0 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 43.62 ms. Allocated memory is still 306.2 MB. Free memory was 253.0 MB in the beginning and 251.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 547.88 ms. Allocated memory is still 306.2 MB. Free memory was 251.0 MB in the beginning and 217.4 MB in the end (delta: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 5.3 GB. * TraceAbstraction took 120553.50 ms. Allocated memory was 306.2 MB in the beginning and 610.8 MB in the end (delta: 304.6 MB). Free memory was 217.4 MB in the beginning and 440.6 MB in the end (delta: -223.1 MB). Peak memory consumption was 81.5 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1005). Cancelled while BasicCegarLoop was analyzing trace of length 78 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 29 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1015). Cancelled while BasicCegarLoop was analyzing trace of length 78 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 29 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1048). Cancelled while BasicCegarLoop was analyzing trace of length 78 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 29 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1036). Cancelled while BasicCegarLoop was analyzing trace of length 78 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 29 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1045). Cancelled while BasicCegarLoop was analyzing trace of length 78 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 29 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1034). Cancelled while BasicCegarLoop was analyzing trace of length 78 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 29 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1018). Cancelled while BasicCegarLoop was analyzing trace of length 78 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 29 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1028). Cancelled while BasicCegarLoop was analyzing trace of length 78 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 29 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1049). Cancelled while BasicCegarLoop was analyzing trace of length 78 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 29 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 996). Cancelled while BasicCegarLoop was analyzing trace of length 78 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 29 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1019). Cancelled while BasicCegarLoop was analyzing trace of length 78 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 29 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1050). Cancelled while BasicCegarLoop was analyzing trace of length 78 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 29 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1039). Cancelled while BasicCegarLoop was analyzing trace of length 78 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 29 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1036). Cancelled while BasicCegarLoop was analyzing trace of length 78 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 29 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 997). Cancelled while BasicCegarLoop was analyzing trace of length 78 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 29 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1049). Cancelled while BasicCegarLoop was analyzing trace of length 78 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 29 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1016). Cancelled while BasicCegarLoop was analyzing trace of length 78 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 29 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1017). Cancelled while BasicCegarLoop was analyzing trace of length 78 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 29 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1032). Cancelled while BasicCegarLoop was analyzing trace of length 78 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 29 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 997). Cancelled while BasicCegarLoop was analyzing trace of length 78 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 29 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1015). Cancelled while BasicCegarLoop was analyzing trace of length 78 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 29 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1006). Cancelled while BasicCegarLoop was analyzing trace of length 78 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 29 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1047). Cancelled while BasicCegarLoop was analyzing trace of length 78 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 29 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1055). Cancelled while BasicCegarLoop was analyzing trace of length 78 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 29 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1018). Cancelled while BasicCegarLoop was analyzing trace of length 78 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 29 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1028). Cancelled while BasicCegarLoop was analyzing trace of length 78 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 29 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1045). Cancelled while BasicCegarLoop was analyzing trace of length 78 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 29 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1034). Cancelled while BasicCegarLoop was analyzing trace of length 78 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 29 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 996). Cancelled while BasicCegarLoop was analyzing trace of length 78 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 29 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1017). Cancelled while BasicCegarLoop was analyzing trace of length 78 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 29 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1054). Cancelled while BasicCegarLoop was analyzing trace of length 78 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 29 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1007). Cancelled while BasicCegarLoop was analyzing trace of length 78 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 29 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1039). Cancelled while BasicCegarLoop was analyzing trace of length 78 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 29 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1006). Cancelled while BasicCegarLoop was analyzing trace of length 78 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 29 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1019). Cancelled while BasicCegarLoop was analyzing trace of length 78 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 29 known predicates. - TimeoutResultAtElement [Line: 992]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed (line 992). Cancelled while BasicCegarLoop was analyzing trace of length 78 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 29 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1011). Cancelled while BasicCegarLoop was analyzing trace of length 78 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 29 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1032). Cancelled while BasicCegarLoop was analyzing trace of length 78 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 29 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1055). Cancelled while BasicCegarLoop was analyzing trace of length 78 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 29 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1007). Cancelled while BasicCegarLoop was analyzing trace of length 78 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 29 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1011). Cancelled while BasicCegarLoop was analyzing trace of length 78 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 29 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1047). Cancelled while BasicCegarLoop was analyzing trace of length 78 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 29 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1054). Cancelled while BasicCegarLoop was analyzing trace of length 78 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 29 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1005). Cancelled while BasicCegarLoop was analyzing trace of length 78 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 29 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1016). Cancelled while BasicCegarLoop was analyzing trace of length 78 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 29 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1048). Cancelled while BasicCegarLoop was analyzing trace of length 78 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 29 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1050). Cancelled while BasicCegarLoop was analyzing trace of length 78 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 29 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 142 locations, 47 error locations. TIMEOUT Result, 120.4s OverallTime, 43 OverallIterations, 4 TraceHistogramMax, 68.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4427 SDtfs, 21115 SDslu, 48306 SDs, 0 SdLazy, 49409 SolverSat, 3746 SolverUnsat, 119 SolverUnknown, 0 SolverNotchecked, 27.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3630 GetRequests, 1663 SyntacticMatches, 112 SemanticMatches, 1855 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32517 ImplicationChecksByTransitivity, 62.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=514occurred in iteration=42, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 42 MinimizatonAttempts, 2683 StatesRemovedByMinimization, 42 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 47.3s InterpolantComputationTime, 4333 NumberOfCodeBlocks, 4328 NumberOfCodeBlocksAsserted, 89 NumberOfCheckSat, 4259 ConstructedInterpolants, 836 QuantifiedInterpolants, 10188509 SizeOfPredicates, 658 NumberOfNonLiveVariables, 6920 ConjunctsInSsa, 1542 ConjunctsInUnsatCore, 74 InterpolantComputations, 11 PerfectInterpolantSequences, 60/1002 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-30_00-39-09-271.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-30_00-39-09-271.csv Completed graceful shutdown