/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-fun.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 11:26:31,076 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 11:26:31,077 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 11:26:31,096 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-14 11:26:31,097 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-14 11:26:31,119 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-14 11:26:31,120 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-14 11:26:31,122 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-14 11:26:31,122 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-14 11:26:31,123 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-14 11:26:31,124 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-14 11:26:31,124 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-14 11:26:31,124 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-14 11:26:31,125 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-14 11:26:31,126 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-14 11:26:31,126 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-14 11:26:31,127 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-14 11:26:31,127 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-14 11:26:31,128 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-14 11:26:31,129 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-14 11:26:31,130 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-14 11:26:31,130 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-14 11:26:31,131 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-14 11:26:31,131 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-14 11:26:31,133 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-14 11:26:31,133 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-14 11:26:31,133 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-14 11:26:31,134 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-14 11:26:31,134 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-14 11:26:31,135 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-14 11:26:31,135 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-14 11:26:31,135 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-14 11:26:31,136 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-14 11:26:31,136 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-14 11:26:31,137 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-14 11:26:31,137 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-14 11:26:31,137 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-14 11:26:31,137 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-14 11:26:31,138 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-14 11:26:31,138 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-14 11:26:31,139 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-14 11:26:31,139 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe.epf [2021-07-14 11:26:31,163 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 11:26:31,164 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 11:26:31,164 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 11:26:31,164 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 11:26:31,166 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 11:26:31,166 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 11:26:31,166 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 11:26:31,166 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 11:26:31,166 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 11:26:31,166 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 11:26:31,167 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 11:26:31,167 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 11:26:31,167 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 11:26:31,167 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 11:26:31,167 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 11:26:31,168 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 11:26:31,168 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 11:26:31,168 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 11:26:31,168 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 11:26:31,168 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 11:26:31,168 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 11:26:31,168 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 11:26:31,168 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 11:26:31,168 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 11:26:31,168 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 11:26:31,169 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 11:26:31,178 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 11:26:31,178 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 11:26:31,178 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 11:26:31,178 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 11:26:31,178 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 11:26:31,178 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 11:26:31,179 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-07-14 11:26:31,179 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 11:26:31,402 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 11:26:31,422 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 11:26:31,424 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 11:26:31,425 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 11:26:31,426 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 11:26:31,427 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-fun.wvr.bpl [2021-07-14 11:26:31,427 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-fun.wvr.bpl' [2021-07-14 11:26:31,467 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 11:26:31,468 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 11:26:31,469 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 11:26:31,469 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 11:26:31,470 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 11:26:31,478 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:26:31" (1/1) ... [2021-07-14 11:26:31,484 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:26:31" (1/1) ... [2021-07-14 11:26:31,490 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 11:26:31,492 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 11:26:31,492 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 11:26:31,492 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 11:26:31,497 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:26:31" (1/1) ... [2021-07-14 11:26:31,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:26:31" (1/1) ... [2021-07-14 11:26:31,499 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:26:31" (1/1) ... [2021-07-14 11:26:31,499 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:26:31" (1/1) ... [2021-07-14 11:26:31,503 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:26:31" (1/1) ... [2021-07-14 11:26:31,505 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:26:31" (1/1) ... [2021-07-14 11:26:31,506 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:26:31" (1/1) ... [2021-07-14 11:26:31,510 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 11:26:31,514 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 11:26:31,514 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 11:26:31,514 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 11:26:31,515 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:26:31" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 11:26:31,566 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 11:26:31,566 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 11:26:31,566 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 11:26:31,567 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 11:26:31,567 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 11:26:31,567 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 11:26:31,567 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 11:26:31,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 11:26:31,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 11:26:31,568 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-14 11:26:31,569 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-14 11:26:31,569 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-14 11:26:31,569 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 11:26:31,789 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 11:26:31,790 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-14 11:26:31,791 INFO L202 PluginConnector]: Adding new model max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 11:26:31 BoogieIcfgContainer [2021-07-14 11:26:31,791 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 11:26:31,792 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 11:26:31,792 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 11:26:31,794 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 11:26:31,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:26:31" (1/2) ... [2021-07-14 11:26:31,795 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c4b9d73 and model type max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 11:26:31, skipping insertion in model container [2021-07-14 11:26:31,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 11:26:31" (2/2) ... [2021-07-14 11:26:31,796 INFO L111 eAbstractionObserver]: Analyzing ICFG max-fun.wvr.bpl [2021-07-14 11:26:31,800 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 11:26:31,800 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 11:26:31,800 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 11:26:31,801 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 11:26:31,841 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-07-14 11:26:31,870 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 11:26:31,907 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 11:26:31,907 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 11:26:31,907 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 11:26:31,907 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 11:26:31,907 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 11:26:31,907 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 11:26:31,907 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 11:26:31,908 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 11:26:31,986 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:26:31,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:26:31,990 INFO L82 PathProgramCache]: Analyzing trace with hash 107147796, now seen corresponding path program 1 times [2021-07-14 11:26:31,997 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:26:31,997 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114865488] [2021-07-14 11:26:31,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:26:32,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:26:32,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:26:32,174 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:26:32,174 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114865488] [2021-07-14 11:26:32,175 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114865488] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 11:26:32,175 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 11:26:32,175 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 11:26:32,176 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772441383] [2021-07-14 11:26:32,180 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 11:26:32,180 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:26:32,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 11:26:32,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 11:26:32,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:26:32,194 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:26:32,197 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 11:26:32,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:26:32,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:26:32,225 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 11:26:32,225 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:26:32,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:26:32,228 INFO L82 PathProgramCache]: Analyzing trace with hash 597095090, now seen corresponding path program 1 times [2021-07-14 11:26:32,228 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:26:32,229 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865838174] [2021-07-14 11:26:32,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:26:32,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:26:32,285 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 11:26:32,285 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:26:32,285 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865838174] [2021-07-14 11:26:32,286 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865838174] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 11:26:32,286 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 11:26:32,286 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-14 11:26:32,286 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353677271] [2021-07-14 11:26:32,287 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-14 11:26:32,287 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:26:32,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-14 11:26:32,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-14 11:26:32,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:26:32,288 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:26:32,288 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 11:26:32,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:26:32,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:26:32,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:26:32,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 11:26:32,318 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 11:26:32,318 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:26:32,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:26:32,319 INFO L82 PathProgramCache]: Analyzing trace with hash -1592437936, now seen corresponding path program 1 times [2021-07-14 11:26:32,319 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:26:32,319 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816204218] [2021-07-14 11:26:32,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:26:32,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:26:32,657 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:26:32,658 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:26:32,658 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816204218] [2021-07-14 11:26:32,658 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816204218] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:26:32,659 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1099571971] [2021-07-14 11:26:32,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:26:32,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:26:32,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-14 11:26:32,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:26:33,065 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:26:33,066 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:26:33,069 INFO L388 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 21 treesize of output 10 [2021-07-14 11:26:33,070 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 11:26:33,073 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:26:33,074 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:26:33,074 INFO L388 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 16 treesize of output 10 [2021-07-14 11:26:33,075 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 11:26:33,077 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:26:33,078 INFO L388 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 16 treesize of output 10 [2021-07-14 11:26:33,079 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 11:26:33,089 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:26:33,091 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 11:26:33,091 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:97, output treesize:21 [2021-07-14 11:26:33,127 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:26:33,127 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1099571971] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:26:33,127 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:26:33,127 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-07-14 11:26:33,127 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921192366] [2021-07-14 11:26:33,128 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-14 11:26:33,128 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:26:33,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-14 11:26:33,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-07-14 11:26:33,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:26:33,129 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:26:33,129 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 3.076923076923077) internal successors, (40), 12 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 11:26:33,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:26:33,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 11:26:33,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:26:33,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:26:33,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 11:26:33,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:26:33,496 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:26:33,497 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:26:33,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:26:33,497 INFO L82 PathProgramCache]: Analyzing trace with hash 217830638, now seen corresponding path program 2 times [2021-07-14 11:26:33,497 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:26:33,497 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460890852] [2021-07-14 11:26:33,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:26:33,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:26:33,543 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:26:33,543 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:26:33,543 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460890852] [2021-07-14 11:26:33,543 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460890852] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:26:33,544 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [665170483] [2021-07-14 11:26:33,544 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:26:33,571 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 11:26:33,571 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 11:26:33,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-14 11:26:33,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:26:33,704 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:26:33,704 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [665170483] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:26:33,704 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:26:33,705 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-07-14 11:26:33,705 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600956896] [2021-07-14 11:26:33,706 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-14 11:26:33,706 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:26:33,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-14 11:26:33,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-07-14 11:26:33,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:26:33,709 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:26:33,709 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 11:26:33,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:26:33,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 11:26:33,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:26:33,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:26:33,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:26:33,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 11:26:33,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:26:33,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 11:26:34,060 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-07-14 11:26:34,061 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:26:34,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:26:34,061 INFO L82 PathProgramCache]: Analyzing trace with hash -537545550, now seen corresponding path program 1 times [2021-07-14 11:26:34,061 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:26:34,062 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89813071] [2021-07-14 11:26:34,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:26:34,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:26:34,103 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 11:26:34,103 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:26:34,104 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89813071] [2021-07-14 11:26:34,104 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89813071] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:26:34,104 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2139360486] [2021-07-14 11:26:34,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:26:34,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:26:34,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-14 11:26:34,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:26:34,230 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 11:26:34,230 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2139360486] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:26:34,230 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:26:34,230 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-07-14 11:26:34,230 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949943392] [2021-07-14 11:26:34,231 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-14 11:26:34,231 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:26:34,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-14 11:26:34,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-07-14 11:26:34,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:26:34,231 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:26:34,231 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 11 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 11:26:34,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:26:34,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 11:26:34,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:26:34,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 11:26:34,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:26:34,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:26:34,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 11:26:34,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:26:34,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 11:26:34,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 11:26:34,540 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:26:34,541 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:26:34,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:26:34,541 INFO L82 PathProgramCache]: Analyzing trace with hash -246413360, now seen corresponding path program 2 times [2021-07-14 11:26:34,541 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:26:34,541 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994244234] [2021-07-14 11:26:34,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:26:34,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:26:35,157 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 67 [2021-07-14 11:26:35,396 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 78 [2021-07-14 11:26:35,611 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 73 [2021-07-14 11:26:35,762 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 47 [2021-07-14 11:26:35,934 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 44 [2021-07-14 11:26:36,025 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:26:36,026 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:26:36,026 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994244234] [2021-07-14 11:26:36,026 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994244234] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:26:36,026 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [635119609] [2021-07-14 11:26:36,026 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:26:36,074 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 11:26:36,074 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 11:26:36,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 36 conjunts are in the unsatisfiable core [2021-07-14 11:26:36,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:26:40,774 WARN L205 SmtUtils]: Spent 4.36 s on a formula simplification that was a NOOP. DAG size: 67 [2021-07-14 11:26:41,102 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2021-07-14 11:26:41,447 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2021-07-14 11:26:41,736 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2021-07-14 11:26:42,441 WARN L205 SmtUtils]: Spent 495.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2021-07-14 11:26:43,142 WARN L205 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 360 [2021-07-14 11:26:44,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:44,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:44,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:44,632 INFO L354 Elim1Store]: treesize reduction 18, result has 71.4 percent of original size [2021-07-14 11:26:44,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 33 treesize of output 63 [2021-07-14 11:26:44,656 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 11:26:44,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:44,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:44,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:44,769 INFO L354 Elim1Store]: treesize reduction 12, result has 81.0 percent of original size [2021-07-14 11:26:44,769 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 38 treesize of output 72 [2021-07-14 11:26:44,779 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 11:26:46,635 WARN L205 SmtUtils]: Spent 1.85 s on a formula simplification that was a NOOP. DAG size: 424 [2021-07-14 11:26:46,635 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:26:46,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:46,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:46,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:46,742 INFO L354 Elim1Store]: treesize reduction 24, result has 61.9 percent of original size [2021-07-14 11:26:46,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 48 treesize of output 60 [2021-07-14 11:26:46,750 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 11:26:46,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:46,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:46,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:46,865 INFO L354 Elim1Store]: treesize reduction 16, result has 74.6 percent of original size [2021-07-14 11:26:46,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 53 treesize of output 71 [2021-07-14 11:26:46,875 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 11:26:48,754 WARN L205 SmtUtils]: Spent 1.88 s on a formula simplification that was a NOOP. DAG size: 419 [2021-07-14 11:26:48,755 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:26:48,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:48,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:48,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:48,893 INFO L354 Elim1Store]: treesize reduction 4, result has 93.7 percent of original size [2021-07-14 11:26:48,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 44 treesize of output 80 [2021-07-14 11:26:48,933 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 11:26:48,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:48,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:48,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:49,038 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:26:49,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 49 treesize of output 87 [2021-07-14 11:26:49,053 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 11:26:52,612 WARN L205 SmtUtils]: Spent 3.56 s on a formula simplification. DAG size of input: 431 DAG size of output: 411 [2021-07-14 11:26:52,620 INFO L628 ElimStorePlain]: treesize reduction 85, result has 96.3 percent of original size [2021-07-14 11:26:52,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:52,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:52,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:52,730 INFO L354 Elim1Store]: treesize reduction 22, result has 65.1 percent of original size [2021-07-14 11:26:52,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 33 treesize of output 59 [2021-07-14 11:26:52,739 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 11:26:52,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:52,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:52,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:52,823 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:26:52,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 28 treesize of output 78 [2021-07-14 11:26:52,863 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 11:26:54,511 WARN L205 SmtUtils]: Spent 1.65 s on a formula simplification that was a NOOP. DAG size: 404 [2021-07-14 11:26:54,511 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:26:54,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:54,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:54,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:54,621 INFO L354 Elim1Store]: treesize reduction 22, result has 65.1 percent of original size [2021-07-14 11:26:54,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 44 treesize of output 62 [2021-07-14 11:26:54,634 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 11:26:54,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:54,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:54,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:54,753 INFO L354 Elim1Store]: treesize reduction 4, result has 93.7 percent of original size [2021-07-14 11:26:54,754 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 49 treesize of output 83 [2021-07-14 11:26:54,773 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-14 11:26:58,054 WARN L205 SmtUtils]: Spent 3.28 s on a formula simplification. DAG size of input: 407 DAG size of output: 397 [2021-07-14 11:26:58,055 INFO L628 ElimStorePlain]: treesize reduction 34, result has 98.4 percent of original size [2021-07-14 11:26:58,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:58,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:58,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:58,162 INFO L354 Elim1Store]: treesize reduction 24, result has 61.9 percent of original size [2021-07-14 11:26:58,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 38 treesize of output 60 [2021-07-14 11:26:58,174 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-14 11:26:58,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:58,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:58,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:58,271 INFO L354 Elim1Store]: treesize reduction 16, result has 74.6 percent of original size [2021-07-14 11:26:58,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 33 treesize of output 65 [2021-07-14 11:26:58,295 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-14 11:26:59,878 WARN L205 SmtUtils]: Spent 1.58 s on a formula simplification that was a NOOP. DAG size: 389 [2021-07-14 11:26:59,879 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:26:59,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:59,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:59,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:00,007 INFO L354 Elim1Store]: treesize reduction 8, result has 87.3 percent of original size [2021-07-14 11:27:00,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 53 treesize of output 79 [2021-07-14 11:27:00,030 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-14 11:27:00,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:00,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:00,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:00,129 INFO L354 Elim1Store]: treesize reduction 16, result has 74.6 percent of original size [2021-07-14 11:27:00,130 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 48 treesize of output 68 [2021-07-14 11:27:00,139 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-14 11:27:04,906 WARN L205 SmtUtils]: Spent 4.77 s on a formula simplification. DAG size of input: 399 DAG size of output: 396 [2021-07-14 11:27:04,907 INFO L628 ElimStorePlain]: treesize reduction 21, result has 99.0 percent of original size [2021-07-14 11:27:04,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:04,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:04,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:05,018 INFO L354 Elim1Store]: treesize reduction 28, result has 55.6 percent of original size [2021-07-14 11:27:05,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 43 treesize of output 59 [2021-07-14 11:27:05,040 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-14 11:27:05,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:05,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:05,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:05,136 INFO L354 Elim1Store]: treesize reduction 20, result has 68.3 percent of original size [2021-07-14 11:27:05,137 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 38 treesize of output 64 [2021-07-14 11:27:05,150 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-14 11:27:06,762 WARN L205 SmtUtils]: Spent 1.61 s on a formula simplification that was a NOOP. DAG size: 387 [2021-07-14 11:27:06,763 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:27:06,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:06,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:06,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:06,869 INFO L354 Elim1Store]: treesize reduction 30, result has 52.4 percent of original size [2021-07-14 11:27:06,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 46 treesize of output 54 [2021-07-14 11:27:06,882 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-14 11:27:06,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:06,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:06,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:06,977 INFO L354 Elim1Store]: treesize reduction 20, result has 68.3 percent of original size [2021-07-14 11:27:06,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 51 treesize of output 67 [2021-07-14 11:27:06,985 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-14 11:27:08,549 WARN L205 SmtUtils]: Spent 1.56 s on a formula simplification that was a NOOP. DAG size: 387 [2021-07-14 11:27:08,550 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:27:08,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:08,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:08,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:08,650 INFO L354 Elim1Store]: treesize reduction 20, result has 68.3 percent of original size [2021-07-14 11:27:08,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 39 treesize of output 61 [2021-07-14 11:27:08,685 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-14 11:27:08,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:08,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:08,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:08,773 INFO L354 Elim1Store]: treesize reduction 20, result has 68.3 percent of original size [2021-07-14 11:27:08,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 44 treesize of output 64 [2021-07-14 11:27:08,797 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-14 11:27:10,330 WARN L205 SmtUtils]: Spent 1.53 s on a formula simplification that was a NOOP. DAG size: 379 [2021-07-14 11:27:10,330 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:27:10,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:10,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:10,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:10,452 INFO L354 Elim1Store]: treesize reduction 12, result has 81.0 percent of original size [2021-07-14 11:27:10,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 49 treesize of output 75 [2021-07-14 11:27:10,473 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-14 11:27:10,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:10,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:10,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:10,572 INFO L354 Elim1Store]: treesize reduction 12, result has 81.0 percent of original size [2021-07-14 11:27:10,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 44 treesize of output 72 [2021-07-14 11:27:10,584 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-14 11:27:13,581 WARN L205 SmtUtils]: Spent 3.00 s on a formula simplification. DAG size of input: 379 DAG size of output: 376 [2021-07-14 11:27:13,582 INFO L628 ElimStorePlain]: treesize reduction 5, result has 99.8 percent of original size [2021-07-14 11:27:13,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:13,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:13,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:13,675 INFO L354 Elim1Store]: treesize reduction 26, result has 58.7 percent of original size [2021-07-14 11:27:13,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 37 treesize of output 55 [2021-07-14 11:27:13,684 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-07-14 11:27:13,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:13,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:13,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:13,763 INFO L354 Elim1Store]: treesize reduction 24, result has 61.9 percent of original size [2021-07-14 11:27:13,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 42 treesize of output 60 [2021-07-14 11:27:13,775 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-07-14 11:27:15,231 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 373 [2021-07-14 11:27:15,231 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:27:15,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:15,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:15,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:15,326 INFO L354 Elim1Store]: treesize reduction 34, result has 46.0 percent of original size [2021-07-14 11:27:15,326 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 46 treesize of output 50 [2021-07-14 11:27:15,328 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-07-14 11:27:15,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:15,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:15,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:15,435 INFO L354 Elim1Store]: treesize reduction 12, result has 81.0 percent of original size [2021-07-14 11:27:15,435 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 51 treesize of output 75 [2021-07-14 11:27:15,456 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-07-14 11:27:18,479 WARN L205 SmtUtils]: Spent 3.02 s on a formula simplification. DAG size of input: 387 DAG size of output: 385 [2021-07-14 11:27:18,480 INFO L628 ElimStorePlain]: treesize reduction 9, result has 99.6 percent of original size [2021-07-14 11:27:18,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:18,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:18,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:18,601 INFO L354 Elim1Store]: treesize reduction 20, result has 68.3 percent of original size [2021-07-14 11:27:18,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 44 treesize of output 64 [2021-07-14 11:27:18,611 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-07-14 11:27:18,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:18,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:18,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:18,706 INFO L354 Elim1Store]: treesize reduction 16, result has 74.6 percent of original size [2021-07-14 11:27:18,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 49 treesize of output 71 [2021-07-14 11:27:18,717 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-07-14 11:27:21,598 WARN L205 SmtUtils]: Spent 2.88 s on a formula simplification. DAG size of input: 379 DAG size of output: 375 [2021-07-14 11:27:21,599 INFO L628 ElimStorePlain]: treesize reduction 19, result has 99.1 percent of original size [2021-07-14 11:27:21,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:21,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:21,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:21,693 INFO L354 Elim1Store]: treesize reduction 26, result has 58.7 percent of original size [2021-07-14 11:27:21,694 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 44 treesize of output 58 [2021-07-14 11:27:21,704 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-07-14 11:27:21,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:21,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:21,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:21,791 INFO L354 Elim1Store]: treesize reduction 20, result has 68.3 percent of original size [2021-07-14 11:27:21,791 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 49 treesize of output 67 [2021-07-14 11:27:21,814 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-07-14 11:27:24,682 WARN L205 SmtUtils]: Spent 2.87 s on a formula simplification. DAG size of input: 377 DAG size of output: 372 [2021-07-14 11:27:24,683 INFO L628 ElimStorePlain]: treesize reduction 40, result has 98.0 percent of original size [2021-07-14 11:27:24,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:24,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:24,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:24,820 INFO L354 Elim1Store]: treesize reduction 16, result has 74.6 percent of original size [2021-07-14 11:27:24,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 47 treesize of output 71 [2021-07-14 11:27:24,826 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-07-14 11:27:24,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:24,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:24,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:24,902 INFO L354 Elim1Store]: treesize reduction 30, result has 52.4 percent of original size [2021-07-14 11:27:24,902 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 42 treesize of output 54 [2021-07-14 11:27:24,911 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-07-14 11:27:27,709 WARN L205 SmtUtils]: Spent 2.80 s on a formula simplification. DAG size of input: 373 DAG size of output: 371 [2021-07-14 11:27:27,712 INFO L628 ElimStorePlain]: treesize reduction 11, result has 99.4 percent of original size [2021-07-14 11:27:28,388 INFO L550 ElimStorePlain]: Start of recursive call 1: 33 dim-0 vars, 16 dim-1 vars, End of recursive call: and 32 xjuncts. [2021-07-14 11:27:28,388 INFO L247 ElimStorePlain]: Needed 33 recursive calls to eliminate 49 variables, input treesize:2313, output treesize:3363 [2021-07-14 11:27:29,947 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 270 DAG size of output: 118 [2021-07-14 11:27:30,078 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:27:30,078 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [635119609] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:27:30,078 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:27:30,078 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16] total 25 [2021-07-14 11:27:30,078 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114899478] [2021-07-14 11:27:30,079 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-14 11:27:30,079 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:27:30,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-14 11:27:30,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=516, Unknown=0, NotChecked=0, Total=600 [2021-07-14 11:27:30,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:27:30,079 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:27:30,080 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.24) internal successors, (56), 25 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 11:27:30,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:27:30,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 11:27:30,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:27:30,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 11:27:30,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 11:27:30,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:27:30,847 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 55 [2021-07-14 11:27:31,355 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 41 [2021-07-14 11:27:34,915 WARN L205 SmtUtils]: Spent 3.44 s on a formula simplification. DAG size of input: 136 DAG size of output: 101 [2021-07-14 11:27:35,306 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 56 [2021-07-14 11:27:39,619 WARN L205 SmtUtils]: Spent 4.19 s on a formula simplification. DAG size of input: 137 DAG size of output: 98 [2021-07-14 11:27:42,021 WARN L205 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 287 DAG size of output: 194 [2021-07-14 11:27:50,064 WARN L205 SmtUtils]: Spent 7.94 s on a formula simplification. DAG size of input: 230 DAG size of output: 104 [2021-07-14 11:27:51,502 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 192 DAG size of output: 108 [2021-07-14 11:27:52,312 WARN L205 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 101 [2021-07-14 11:28:02,240 WARN L205 SmtUtils]: Spent 9.81 s on a formula simplification. DAG size of input: 231 DAG size of output: 101 [2021-07-14 11:28:18,734 WARN L205 SmtUtils]: Spent 16.38 s on a formula simplification. DAG size of input: 193 DAG size of output: 115 [2021-07-14 11:28:20,306 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 230 DAG size of output: 178 [2021-07-14 11:28:21,829 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 227 DAG size of output: 98 [2021-07-14 11:28:25,741 WARN L205 SmtUtils]: Spent 3.80 s on a formula simplification. DAG size of input: 176 DAG size of output: 112 [2021-07-14 11:28:26,025 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 76 [2021-07-14 11:28:26,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:28:26,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 11:28:26,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:28:26,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 11:28:26,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 11:28:26,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:28:26,365 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-07-14 11:28:26,365 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:28:26,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:28:26,366 INFO L82 PathProgramCache]: Analyzing trace with hash 358746990, now seen corresponding path program 3 times [2021-07-14 11:28:26,366 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:28:26,366 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317207828] [2021-07-14 11:28:26,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:28:26,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:28:26,459 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:28:26,459 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:28:26,459 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317207828] [2021-07-14 11:28:26,460 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317207828] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:28:26,460 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [430164463] [2021-07-14 11:28:26,460 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:28:26,491 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-14 11:28:26,491 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 11:28:26,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-14 11:28:26,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:28:26,637 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:28:26,638 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [430164463] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:28:26,638 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:28:26,638 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-07-14 11:28:26,638 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440577785] [2021-07-14 11:28:26,638 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-14 11:28:26,638 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:28:26,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-14 11:28:26,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-07-14 11:28:26,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:28:26,639 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:28:26,639 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 2.55) internal successors, (51), 20 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 11:28:26,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:28:26,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 11:28:26,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:28:26,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 11:28:26,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 11:28:26,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:28:26,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:28:27,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:28:27,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 11:28:27,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:28:27,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 11:28:27,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 11:28:27,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:28:27,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 11:28:27,202 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable499 [2021-07-14 11:28:27,203 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:28:27,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:28:27,203 INFO L82 PathProgramCache]: Analyzing trace with hash 1163701042, now seen corresponding path program 4 times [2021-07-14 11:28:27,203 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:28:27,203 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78854928] [2021-07-14 11:28:27,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:28:27,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:28:27,277 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 11:28:27,277 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:28:27,277 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78854928] [2021-07-14 11:28:27,278 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78854928] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:28:27,278 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [345024967] [2021-07-14 11:28:27,278 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:28:27,306 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 11:28:27,306 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 11:28:27,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-14 11:28:27,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:28:27,422 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 11:28:27,423 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [345024967] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:28:27,423 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:28:27,423 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-07-14 11:28:27,423 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883823423] [2021-07-14 11:28:27,423 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-14 11:28:27,423 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:28:27,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-14 11:28:27,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-07-14 11:28:27,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:28:27,424 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:28:27,424 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 2.9411764705882355) internal successors, (50), 17 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 11:28:27,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:28:27,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 11:28:27,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:28:27,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 11:28:27,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 11:28:27,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:28:27,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 11:28:27,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:28:27,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:28:27,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 11:28:27,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:28:27,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 11:28:27,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 11:28:27,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:28:27,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 11:28:27,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 11:28:27,807 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable500,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:28:27,807 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:28:27,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:28:27,808 INFO L82 PathProgramCache]: Analyzing trace with hash -323420080, now seen corresponding path program 5 times [2021-07-14 11:28:27,808 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:28:27,808 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291656039] [2021-07-14 11:28:27,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:28:27,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:28:28,560 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 159 [2021-07-14 11:28:28,797 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 43 [2021-07-14 11:28:28,926 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 218 [2021-07-14 11:28:29,493 WARN L205 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 75 [2021-07-14 11:28:29,782 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 315 [2021-07-14 11:28:30,841 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 315 DAG size of output: 133 [2021-07-14 11:28:31,124 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 294 [2021-07-14 11:28:32,891 WARN L205 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 294 DAG size of output: 181 [2021-07-14 11:28:33,152 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 289 [2021-07-14 11:28:34,913 WARN L205 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 289 DAG size of output: 176 [2021-07-14 11:28:35,664 WARN L205 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 109 [2021-07-14 11:28:36,016 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 70 [2021-07-14 11:28:36,203 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 44 [2021-07-14 11:28:36,381 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 41 [2021-07-14 11:28:36,541 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:28:36,541 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:28:36,541 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291656039] [2021-07-14 11:28:36,541 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291656039] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:28:36,541 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [214220616] [2021-07-14 11:28:36,541 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:28:36,583 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-14 11:28:36,584 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 11:28:36,584 WARN L261 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 52 conjunts are in the unsatisfiable core [2021-07-14 11:28:36,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:28:38,481 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 119 [2021-07-14 11:28:40,034 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 355 [2021-07-14 11:28:41,887 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 364 [2021-07-14 11:28:43,707 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 365 [2021-07-14 11:28:45,607 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 367 [2021-07-14 11:28:47,328 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 366 [2021-07-14 11:28:48,863 WARN L205 SmtUtils]: Spent 991.00 ms on a formula simplification that was a NOOP. DAG size: 380 [2021-07-14 11:28:50,556 WARN L205 SmtUtils]: Spent 958.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2021-07-14 11:28:51,228 INFO L446 ElimStorePlain]: Different costs {9=[v_prenex_120, v_prenex_122, v_prenex_100, v_prenex_124, v_prenex_102, v_prenex_90, v_prenex_126, v_prenex_104, v_prenex_128, v_prenex_106, v_prenex_94, v_prenex_92, v_prenex_98, v_prenex_96, v_prenex_79, v_prenex_77, v_prenex_130, v_prenex_132, v_prenex_110, v_prenex_134, v_prenex_112, v_prenex_114, v_prenex_136, v_prenex_116, v_prenex_138, v_prenex_108, v_prenex_81, v_prenex_86, v_prenex_84, v_prenex_88], 15=[v_prenex_118, A]} [2021-07-14 11:28:51,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:28:51,272 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:28:51,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:28:51,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:28:51,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:28:51,282 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:28:51,305 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-07-14 11:28:51,307 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 11:28:51,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:28:51,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:28:51,348 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:28:51,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:28:51,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:28:51,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 28 [2021-07-14 11:28:51,353 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 11:28:59,608 WARN L205 SmtUtils]: Spent 8.25 s on a formula simplification. DAG size of input: 807 DAG size of output: 753 [2021-07-14 11:28:59,610 INFO L628 ElimStorePlain]: treesize reduction 1220, result has 68.9 percent of original size [2021-07-14 11:28:59,642 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:28:59,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:28:59,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:28:59,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:28:59,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:28:59,649 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:28:59,671 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-07-14 11:28:59,673 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 11:28:59,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:28:59,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:28:59,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:28:59,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:28:59,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-07-14 11:28:59,715 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 11:29:02,429 WARN L205 SmtUtils]: Spent 2.71 s on a formula simplification that was a NOOP. DAG size: 739 [2021-07-14 11:29:02,430 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:29:02,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:02,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:02,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:02,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:02,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-07-14 11:29:02,508 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 11:29:02,538 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:29:02,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:02,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:02,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:02,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:02,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-07-14 11:29:02,549 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 11:29:05,199 WARN L205 SmtUtils]: Spent 2.65 s on a formula simplification that was a NOOP. DAG size: 723 [2021-07-14 11:29:05,200 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:29:05,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:05,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:05,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:05,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:05,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-07-14 11:29:05,268 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 11:29:05,300 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:29:05,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:05,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:05,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:05,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:05,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-07-14 11:29:05,308 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 11:29:07,953 WARN L205 SmtUtils]: Spent 2.64 s on a formula simplification that was a NOOP. DAG size: 706 [2021-07-14 11:29:07,954 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:29:07,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:07,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:07,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:07,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:08,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-07-14 11:29:08,024 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 11:29:08,053 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:29:08,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:08,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:08,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:08,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:08,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 28 [2021-07-14 11:29:08,061 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-14 11:29:10,486 WARN L205 SmtUtils]: Spent 2.42 s on a formula simplification that was a NOOP. DAG size: 689 [2021-07-14 11:29:10,487 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:29:10,531 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:29:10,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:10,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:10,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:10,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:10,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-14 11:29:10,541 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-14 11:29:12,904 WARN L205 SmtUtils]: Spent 2.36 s on a formula simplification that was a NOOP. DAG size: 676 [2021-07-14 11:29:12,904 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:29:12,935 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:29:12,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:12,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:12,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:12,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:12,944 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:29:12,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-07-14 11:29:12,965 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-14 11:29:12,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:12,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:12,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:12,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:13,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-07-14 11:29:13,002 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-14 11:29:15,349 WARN L205 SmtUtils]: Spent 2.35 s on a formula simplification that was a NOOP. DAG size: 661 [2021-07-14 11:29:15,349 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:29:15,380 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:29:15,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:15,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:15,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:15,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:15,389 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:29:15,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-07-14 11:29:15,418 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-14 11:29:15,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:15,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:15,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:15,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:15,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 22 [2021-07-14 11:29:15,463 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-14 11:29:17,707 WARN L205 SmtUtils]: Spent 2.24 s on a formula simplification that was a NOOP. DAG size: 644 [2021-07-14 11:29:17,708 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:29:17,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:17,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:17,737 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:29:17,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:17,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:17,744 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:29:17,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 28 [2021-07-14 11:29:17,761 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-14 11:29:17,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:17,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:17,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:17,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:17,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 22 [2021-07-14 11:29:17,797 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-14 11:29:19,866 WARN L205 SmtUtils]: Spent 2.07 s on a formula simplification that was a NOOP. DAG size: 628 [2021-07-14 11:29:19,867 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:29:19,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:19,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:19,899 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:29:19,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:19,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:19,903 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-07-14 11:29:19,905 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-14 11:29:21,883 WARN L205 SmtUtils]: Spent 1.98 s on a formula simplification that was a NOOP. DAG size: 613 [2021-07-14 11:29:21,883 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:29:21,909 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:29:21,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:21,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:21,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:21,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:21,915 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:29:21,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-07-14 11:29:21,934 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-14 11:29:21,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:21,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:21,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:21,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:21,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-07-14 11:29:21,969 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-14 11:29:23,911 WARN L205 SmtUtils]: Spent 1.94 s on a formula simplification that was a NOOP. DAG size: 597 [2021-07-14 11:29:23,912 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:29:23,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:23,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:23,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:23,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:23,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 22 [2021-07-14 11:29:23,968 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-14 11:29:23,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:24,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:24,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:24,002 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:29:24,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:24,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 25 [2021-07-14 11:29:24,006 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-14 11:29:25,853 WARN L205 SmtUtils]: Spent 1.85 s on a formula simplification that was a NOOP. DAG size: 580 [2021-07-14 11:29:25,856 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:29:25,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:25,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:25,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:25,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:25,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-07-14 11:29:25,915 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-07-14 11:29:25,940 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:29:25,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:25,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:25,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:25,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:25,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-07-14 11:29:25,948 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-07-14 11:29:27,683 WARN L205 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 564 [2021-07-14 11:29:27,685 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:29:27,710 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:29:27,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:27,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:27,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:27,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:27,715 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:29:27,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 28 [2021-07-14 11:29:27,733 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-07-14 11:29:27,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:27,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:27,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:27,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:27,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-07-14 11:29:27,764 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-07-14 11:29:29,348 WARN L205 SmtUtils]: Spent 1.58 s on a formula simplification that was a NOOP. DAG size: 547 [2021-07-14 11:29:29,349 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:29:29,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:29,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:29,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:29,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:29,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:29,379 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:29:29,380 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-14 11:29:29,381 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-07-14 11:29:30,863 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification that was a NOOP. DAG size: 532 [2021-07-14 11:29:30,864 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:29:30,886 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:29:30,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:30,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:30,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:30,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:30,891 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-14 11:29:30,892 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-07-14 11:29:32,351 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 517 [2021-07-14 11:29:32,351 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:29:32,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:32,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:32,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:32,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:32,379 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:29:32,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:32,382 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-07-14 11:29:32,383 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-07-14 11:29:33,848 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 502 [2021-07-14 11:29:33,848 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:29:33,869 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:29:33,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:33,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:33,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:33,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:33,884 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 25 [2021-07-14 11:29:33,886 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-07-14 11:29:35,311 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification that was a NOOP. DAG size: 487 [2021-07-14 11:29:35,312 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:29:35,332 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:29:35,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:35,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:35,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:35,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:35,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-14 11:29:35,339 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-07-14 11:29:36,720 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 472 [2021-07-14 11:29:36,721 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:29:36,743 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:29:36,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:36,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:36,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:36,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:36,750 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:29:36,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-07-14 11:29:36,766 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-07-14 11:29:36,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:36,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:36,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:36,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:36,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-07-14 11:29:36,794 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-07-14 11:29:38,065 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 455 [2021-07-14 11:29:38,066 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:29:38,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:38,088 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:29:38,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:38,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:38,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:38,093 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:29:38,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-07-14 11:29:38,107 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-07-14 11:29:38,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:38,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:38,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:38,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:38,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-07-14 11:29:38,133 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-07-14 11:29:39,290 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 438 [2021-07-14 11:29:39,291 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:29:39,310 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:29:39,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:39,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:39,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:39,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:39,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-14 11:29:39,316 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-07-14 11:29:40,446 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 423 [2021-07-14 11:29:40,447 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:29:40,466 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:29:40,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:40,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:40,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:40,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:40,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-07-14 11:29:40,472 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-07-14 11:29:41,541 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 408 [2021-07-14 11:29:41,542 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:29:41,560 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:29:41,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:41,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:41,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:41,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:41,565 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:29:41,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-14 11:29:41,581 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-07-14 11:29:41,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:41,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:41,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:41,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:41,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-07-14 11:29:41,607 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-07-14 11:29:42,598 WARN L205 SmtUtils]: Spent 989.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2021-07-14 11:29:42,598 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:29:42,615 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:29:42,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:42,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:42,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:42,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:42,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-07-14 11:29:42,621 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-07-14 11:29:43,594 WARN L205 SmtUtils]: Spent 972.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2021-07-14 11:29:43,595 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:29:43,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:43,612 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:29:43,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:43,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:43,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:43,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-14 11:29:43,616 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-07-14 11:29:44,538 WARN L205 SmtUtils]: Spent 921.00 ms on a formula simplification that was a NOOP. DAG size: 361 [2021-07-14 11:29:44,538 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:29:44,555 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:29:44,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:44,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:44,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:44,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:44,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-07-14 11:29:44,561 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-07-14 11:29:45,468 WARN L205 SmtUtils]: Spent 906.00 ms on a formula simplification that was a NOOP. DAG size: 346 [2021-07-14 11:29:45,469 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:29:45,485 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:29:45,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:45,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:45,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:45,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:45,489 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:29:45,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 28 [2021-07-14 11:29:45,502 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-07-14 11:29:45,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:45,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:45,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:45,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:45,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-07-14 11:29:45,527 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-07-14 11:29:46,356 WARN L205 SmtUtils]: Spent 828.00 ms on a formula simplification that was a NOOP. DAG size: 329 [2021-07-14 11:29:46,356 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:29:46,372 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:29:46,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:46,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:46,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:46,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:46,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-14 11:29:46,377 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-07-14 11:29:47,177 WARN L205 SmtUtils]: Spent 799.00 ms on a formula simplification that was a NOOP. DAG size: 314 [2021-07-14 11:29:47,177 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:29:47,192 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:29:47,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:47,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:47,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:47,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:47,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-14 11:29:47,197 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-07-14 11:29:47,948 WARN L205 SmtUtils]: Spent 751.00 ms on a formula simplification that was a NOOP. DAG size: 299 [2021-07-14 11:29:47,949 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:29:47,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:47,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:47,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:47,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:47,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:47,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:47,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:47,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:47,969 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:29:47,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:47,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:47,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:47,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-07-14 11:29:47,974 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-07-14 11:29:48,712 WARN L205 SmtUtils]: Spent 738.00 ms on a formula simplification that was a NOOP. DAG size: 283 [2021-07-14 11:29:48,713 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:29:48,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:48,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:48,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:48,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:48,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:48,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:48,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:48,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:48,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:48,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:48,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2021-07-14 11:29:48,753 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-07-14 11:29:49,471 WARN L205 SmtUtils]: Spent 718.00 ms on a formula simplification that was a NOOP. DAG size: 270 [2021-07-14 11:29:49,471 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:29:49,525 INFO L550 ElimStorePlain]: Start of recursive call 1: 64 dim-0 vars, 32 dim-1 vars, End of recursive call: and 22 xjuncts. [2021-07-14 11:29:49,525 INFO L247 ElimStorePlain]: Needed 49 recursive calls to eliminate 96 variables, input treesize:4005, output treesize:236 [2021-07-14 11:29:49,783 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:29:49,783 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [214220616] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:29:49,783 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:29:49,783 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2021-07-14 11:29:49,785 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939576964] [2021-07-14 11:29:49,786 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-07-14 11:29:49,786 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:29:49,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-07-14 11:29:49,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=895, Unknown=0, NotChecked=0, Total=992 [2021-07-14 11:29:49,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:29:49,787 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:29:49,787 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 2.3125) internal successors, (74), 32 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 11:29:49,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:29:49,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 11:29:49,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:29:49,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 11:29:49,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 11:29:49,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:29:49,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 11:29:49,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 11:29:49,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:29:50,714 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 43 [2021-07-14 11:29:51,295 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 58 [2021-07-14 11:29:51,646 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 65 [2021-07-14 11:29:51,983 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 66 [2021-07-14 11:29:52,354 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 72 [2021-07-14 11:29:52,755 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 85 [2021-07-14 11:29:53,934 WARN L205 SmtUtils]: Spent 933.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 134 [2021-07-14 11:29:54,420 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 93 [2021-07-14 11:29:57,232 WARN L205 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 265 DAG size of output: 123 [2021-07-14 11:30:02,112 WARN L205 SmtUtils]: Spent 4.58 s on a formula simplification. DAG size of input: 568 DAG size of output: 304 [2021-07-14 11:30:04,897 WARN L205 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 185 DAG size of output: 130 [2021-07-14 11:30:05,688 WARN L205 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 173 [2021-07-14 11:30:05,936 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 62 [2021-07-14 11:30:06,537 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-07-14 11:30:07,425 WARN L205 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 175 [2021-07-14 11:30:07,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:30:07,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 11:30:07,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:30:07,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 11:30:07,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 11:30:07,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:30:07,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 11:30:07,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 11:30:07,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:30:07,701 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable501 [2021-07-14 11:30:07,702 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:30:07,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:30:07,702 INFO L82 PathProgramCache]: Analyzing trace with hash 931633578, now seen corresponding path program 6 times [2021-07-14 11:30:07,702 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:30:07,702 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870765850] [2021-07-14 11:30:07,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:30:07,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:30:07,815 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 18 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:30:07,815 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:30:07,815 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870765850] [2021-07-14 11:30:07,815 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870765850] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:30:07,815 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [696705840] [2021-07-14 11:30:07,815 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:30:07,864 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-07-14 11:30:07,864 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 11:30:07,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 16 conjunts are in the unsatisfiable core [2021-07-14 11:30:07,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:30:08,082 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 18 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:30:08,082 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [696705840] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:30:08,083 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:30:08,083 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 29 [2021-07-14 11:30:08,083 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371125472] [2021-07-14 11:30:08,083 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-07-14 11:30:08,083 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:30:08,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-07-14 11:30:08,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=652, Unknown=0, NotChecked=0, Total=812 [2021-07-14 11:30:08,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:30:08,084 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:30:08,084 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 2.3793103448275863) internal successors, (69), 29 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 11:30:08,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:30:08,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 11:30:08,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:30:08,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 11:30:08,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 11:30:08,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:30:08,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 11:30:08,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 11:30:08,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:30:08,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:30:08,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:30:08,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 11:30:08,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:30:08,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 11:30:08,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 11:30:08,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:30:08,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 11:30:08,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 11:30:08,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:30:08,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 11:30:08,536 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable657,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:30:08,537 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:30:08,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:30:08,537 INFO L82 PathProgramCache]: Analyzing trace with hash -607915832, now seen corresponding path program 7 times [2021-07-14 11:30:08,537 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:30:08,537 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120391413] [2021-07-14 11:30:08,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:30:08,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:30:10,459 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 63 [2021-07-14 11:30:10,567 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 30 [2021-07-14 11:30:41,293 WARN L205 SmtUtils]: Spent 30.72 s on a formula simplification. DAG size of input: 238 DAG size of output: 216 [2021-07-14 11:30:41,725 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 48 [2021-07-14 11:32:06,887 WARN L205 SmtUtils]: Spent 1.42 m on a formula simplification. DAG size of input: 348 DAG size of output: 382 [2021-07-14 11:32:08,003 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 382 DAG size of output: 81 [2021-07-14 11:34:30,780 WARN L205 SmtUtils]: Spent 2.38 m on a formula simplification. DAG size of input: 481 DAG size of output: 508 [2021-07-14 11:34:30,917 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 508 DAG size of output: 508 [2021-07-14 11:34:32,513 WARN L205 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 504 DAG size of output: 116 [2021-07-14 11:37:50,583 WARN L205 SmtUtils]: Spent 3.30 m on a formula simplification. DAG size of input: 567 DAG size of output: 750 [2021-07-14 11:37:54,440 WARN L205 SmtUtils]: Spent 3.63 s on a formula simplification. DAG size of input: 747 DAG size of output: 211 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown