/usr/bin/java -Xmx16000000000 -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-DelaySleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-array.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 05:46:23,130 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 05:46:23,132 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 05:46:23,161 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-06 05:46:23,161 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-06 05:46:23,164 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-06 05:46:23,165 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-06 05:46:23,169 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-06 05:46:23,170 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-06 05:46:23,173 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-06 05:46:23,174 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-06 05:46:23,174 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-06 05:46:23,175 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-06 05:46:23,176 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-06 05:46:23,177 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-06 05:46:23,178 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-06 05:46:23,180 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-06 05:46:23,181 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-06 05:46:23,183 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-06 05:46:23,188 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-06 05:46:23,188 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-06 05:46:23,189 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-06 05:46:23,190 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-06 05:46:23,191 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-06 05:46:23,195 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-06 05:46:23,196 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-06 05:46:23,196 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-06 05:46:23,197 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-06 05:46:23,197 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-06 05:46:23,197 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-06 05:46:23,198 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-06 05:46:23,198 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-06 05:46:23,199 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-06 05:46:23,199 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-06 05:46:23,200 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-06 05:46:23,200 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-06 05:46:23,200 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-06 05:46:23,200 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-06 05:46:23,201 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-06 05:46:23,201 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-06 05:46:23,201 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-06 05:46:23,202 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-DelaySleep-NoLbe.epf [2021-06-06 05:46:23,225 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 05:46:23,225 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 05:46:23,226 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 05:46:23,226 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 05:46:23,227 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 05:46:23,228 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 05:46:23,228 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 05:46:23,228 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 05:46:23,228 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 05:46:23,228 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 05:46:23,229 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 05:46:23,229 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 05:46:23,229 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 05:46:23,229 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 05:46:23,229 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 05:46:23,229 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 05:46:23,229 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 05:46:23,229 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 05:46:23,229 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 05:46:23,229 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 05:46:23,230 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 05:46:23,230 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 05:46:23,230 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 05:46:23,230 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 05:46:23,230 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 05:46:23,230 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 05:46:23,230 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 05:46:23,230 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 05:46:23,230 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 05:46:23,230 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 05:46:23,230 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 05:46:23,230 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 05:46:23,231 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 05:46:23,231 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 05:46:23,452 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 05:46:23,464 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 05:46:23,465 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 05:46:23,466 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-06 05:46:23,467 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-06 05:46:23,467 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-array.wvr.bpl [2021-06-06 05:46:23,467 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-array.wvr.bpl' [2021-06-06 05:46:23,489 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 05:46:23,491 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-06 05:46:23,491 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 05:46:23,491 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 05:46:23,492 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 05:46:23,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:46:23" (1/1) ... [2021-06-06 05:46:23,506 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:46:23" (1/1) ... [2021-06-06 05:46:23,520 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 05:46:23,521 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 05:46:23,521 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 05:46:23,521 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 05:46:23,526 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:46:23" (1/1) ... [2021-06-06 05:46:23,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:46:23" (1/1) ... [2021-06-06 05:46:23,527 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:46:23" (1/1) ... [2021-06-06 05:46:23,528 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:46:23" (1/1) ... [2021-06-06 05:46:23,530 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:46:23" (1/1) ... [2021-06-06 05:46:23,534 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:46:23" (1/1) ... [2021-06-06 05:46:23,535 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:46:23" (1/1) ... [2021-06-06 05:46:23,538 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 05:46:23,540 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 05:46:23,541 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 05:46:23,541 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 05:46:23,542 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:46:23" (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 [2021-06-06 05:46:23,598 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-06 05:46:23,598 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-06 05:46:23,598 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-06 05:46:23,598 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-06 05:46:23,599 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-06 05:46:23,599 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-06 05:46:23,599 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-06 05:46:23,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 05:46:23,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 05:46:23,600 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-06 05:46:23,600 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-06 05:46:23,600 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-06 05:46:23,601 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 05:46:23,771 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 05:46:23,771 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-06 05:46:23,772 INFO L202 PluginConnector]: Adding new model max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 05:46:23 BoogieIcfgContainer [2021-06-06 05:46:23,772 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 05:46:23,773 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 05:46:23,773 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 05:46:23,775 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 05:46:23,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:46:23" (1/2) ... [2021-06-06 05:46:23,776 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61c23fb4 and model type max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 05:46:23, skipping insertion in model container [2021-06-06 05:46:23,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 05:46:23" (2/2) ... [2021-06-06 05:46:23,777 INFO L111 eAbstractionObserver]: Analyzing ICFG max-array.wvr.bpl [2021-06-06 05:46:23,780 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 05:46:23,780 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 05:46:23,780 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 05:46:23,781 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 05:46:23,836 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-06 05:46:23,850 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 [2021-06-06 05:46:23,885 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 05:46:23,885 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 05:46:23,885 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 05:46:23,885 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 05:46:23,885 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 05:46:23,885 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 05:46:23,885 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 05:46:23,886 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 05:46:23,953 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:46:23,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:46:23,961 INFO L82 PathProgramCache]: Analyzing trace with hash 1399820781, now seen corresponding path program 1 times [2021-06-06 05:46:23,966 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:46:23,967 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383913291] [2021-06-06 05:46:23,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:46:24,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:46:24,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 05:46:24,086 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:46:24,086 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383913291] [2021-06-06 05:46:24,087 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383913291] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 05:46:24,087 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 05:46:24,087 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-06 05:46:24,087 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149463133] [2021-06-06 05:46:24,090 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 05:46:24,090 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:46:24,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 05:46:24,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 05:46:24,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:46:24,099 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:46:24,100 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) [2021-06-06 05:46:24,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:46:24,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:46:24,113 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 05:46:24,113 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:46:24,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:46:24,113 INFO L82 PathProgramCache]: Analyzing trace with hash 1882321483, now seen corresponding path program 1 times [2021-06-06 05:46:24,114 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:46:24,114 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695317465] [2021-06-06 05:46:24,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:46:24,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:46:24,143 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 05:46:24,143 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:46:24,143 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695317465] [2021-06-06 05:46:24,143 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695317465] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 05:46:24,144 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 05:46:24,144 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-06 05:46:24,144 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387431839] [2021-06-06 05:46:24,145 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-06 05:46:24,145 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:46:24,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-06 05:46:24,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-06 05:46:24,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:46:24,147 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:46:24,147 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) [2021-06-06 05:46:24,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:46:24,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:46:24,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:46:24,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:46:24,176 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-06 05:46:24,176 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:46:24,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:46:24,176 INFO L82 PathProgramCache]: Analyzing trace with hash 1166833961, now seen corresponding path program 1 times [2021-06-06 05:46:24,176 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:46:24,176 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268491427] [2021-06-06 05:46:24,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:46:24,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:46:24,471 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 05:46:24,471 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:46:24,471 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268491427] [2021-06-06 05:46:24,471 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268491427] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:46:24,471 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1206598417] [2021-06-06 05:46:24,471 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 [2021-06-06 05:46:24,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:46:24,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-06 05:46:24,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 05:46:24,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-06-06 05:46:24,792 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:24,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-06-06 05:46:24,796 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:24,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2021-06-06 05:46:24,801 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:24,809 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:46:24,811 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 05:46:24,811 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:91, output treesize:15 [2021-06-06 05:46:24,844 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 05:46:24,844 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1206598417] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:46:24,844 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 05:46:24,845 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-06-06 05:46:24,845 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670459674] [2021-06-06 05:46:24,845 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-06 05:46:24,845 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:46:24,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-06 05:46:24,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-06-06 05:46:24,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:46:24,846 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:46:24,846 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 11 states have internal predecessors, (34), 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) [2021-06-06 05:46:24,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:46:24,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:46:24,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:46:24,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:46:24,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:46:24,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:46:25,188 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:46:25,188 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:46:25,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:46:25,189 INFO L82 PathProgramCache]: Analyzing trace with hash 2135652999, now seen corresponding path program 2 times [2021-06-06 05:46:25,189 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:46:25,189 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605134595] [2021-06-06 05:46:25,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:46:25,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:46:25,245 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 05:46:25,245 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:46:25,245 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605134595] [2021-06-06 05:46:25,245 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605134595] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:46:25,245 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [893667812] [2021-06-06 05:46:25,245 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 [2021-06-06 05:46:25,287 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 05:46:25,288 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 05:46:25,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-06 05:46:25,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 05:46:25,397 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 05:46:25,397 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [893667812] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:46:25,401 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 05:46:25,401 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-06-06 05:46:25,401 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211686060] [2021-06-06 05:46:25,402 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-06 05:46:25,402 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:46:25,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-06 05:46:25,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-06-06 05:46:25,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:46:25,405 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:46:25,405 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) [2021-06-06 05:46:25,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:46:25,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:46:25,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:46:25,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:46:25,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:46:25,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:46:25,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:46:25,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:46:25,780 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:46:25,780 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:46:25,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:46:25,781 INFO L82 PathProgramCache]: Analyzing trace with hash -357408053, now seen corresponding path program 1 times [2021-06-06 05:46:25,781 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:46:25,781 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069905278] [2021-06-06 05:46:25,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:46:25,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:46:25,852 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 05:46:25,853 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:46:25,853 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069905278] [2021-06-06 05:46:25,853 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069905278] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:46:25,853 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1715969045] [2021-06-06 05:46:25,853 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 [2021-06-06 05:46:25,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:46:25,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-06 05:46:25,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 05:46:25,983 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 05:46:25,984 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1715969045] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:46:25,984 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 05:46:25,984 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-06-06 05:46:25,984 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414916733] [2021-06-06 05:46:25,984 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-06 05:46:25,984 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:46:25,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-06 05:46:25,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-06-06 05:46:25,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:46:25,985 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:46:25,985 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 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) [2021-06-06 05:46:25,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:46:25,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:46:25,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:46:25,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:46:25,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:46:26,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:46:26,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:46:26,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:46:26,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:46:26,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 05:46:26,280 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:46:26,281 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:46:26,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:46:26,281 INFO L82 PathProgramCache]: Analyzing trace with hash -336173655, now seen corresponding path program 2 times [2021-06-06 05:46:26,281 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:46:26,282 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742531289] [2021-06-06 05:46:26,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:46:26,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:46:26,735 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 60 [2021-06-06 05:46:26,866 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 55 [2021-06-06 05:46:27,022 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 05:46:27,022 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:46:27,022 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742531289] [2021-06-06 05:46:27,022 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742531289] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:46:27,022 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [448944922] [2021-06-06 05:46:27,022 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 [2021-06-06 05:46:27,053 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 05:46:27,053 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 05:46:27,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 37 conjunts are in the unsatisfiable core [2021-06-06 05:46:27,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 05:46:28,151 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-06-06 05:46:29,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:29,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:29,870 INFO L354 Elim1Store]: treesize reduction 14, result has 68.9 percent of original size [2021-06-06 05:46:29,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 52 [2021-06-06 05:46:29,880 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:29,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:29,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:29,980 INFO L354 Elim1Store]: treesize reduction 18, result has 60.0 percent of original size [2021-06-06 05:46:29,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 48 [2021-06-06 05:46:29,992 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:31,455 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 344 [2021-06-06 05:46:31,456 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:46:31,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:31,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:31,537 INFO L354 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2021-06-06 05:46:31,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 35 treesize of output 37 [2021-06-06 05:46:31,542 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:31,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:31,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:31,637 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-06 05:46:31,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 40 treesize of output 50 [2021-06-06 05:46:31,645 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:33,024 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 333 [2021-06-06 05:46:33,025 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:46:33,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:33,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:33,099 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:46:33,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 28 treesize of output 60 [2021-06-06 05:46:33,120 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:33,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:33,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:33,177 INFO L354 Elim1Store]: treesize reduction 32, result has 28.9 percent of original size [2021-06-06 05:46:33,178 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 33 treesize of output 31 [2021-06-06 05:46:33,180 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:34,549 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 319 [2021-06-06 05:46:34,549 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:46:34,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:34,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:34,634 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-06 05:46:34,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 38 [2021-06-06 05:46:34,636 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:34,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:34,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:34,731 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-06-06 05:46:34,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 50 treesize of output 54 [2021-06-06 05:46:34,741 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:37,373 WARN L205 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 313 DAG size of output: 308 [2021-06-06 05:46:37,374 INFO L628 ElimStorePlain]: treesize reduction 67, result has 96.6 percent of original size [2021-06-06 05:46:37,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:37,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:37,477 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-06 05:46:37,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 50 [2021-06-06 05:46:37,485 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:37,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:37,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:37,547 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-06 05:46:37,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 38 [2021-06-06 05:46:37,569 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:38,830 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 299 [2021-06-06 05:46:38,831 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:46:38,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:38,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:38,907 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-06-06 05:46:38,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 50 treesize of output 42 [2021-06-06 05:46:38,911 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:38,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:38,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:38,947 INFO L354 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2021-06-06 05:46:38,948 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 1 [2021-06-06 05:46:38,948 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:40,115 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 287 [2021-06-06 05:46:40,116 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:46:40,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:40,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:40,180 INFO L354 Elim1Store]: treesize reduction 32, result has 28.9 percent of original size [2021-06-06 05:46:40,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 34 [2021-06-06 05:46:40,184 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:40,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:40,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:40,252 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:46:40,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 66 [2021-06-06 05:46:40,266 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:41,401 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 271 [2021-06-06 05:46:41,401 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:46:41,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:41,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:41,473 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-06-06 05:46:41,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 50 treesize of output 42 [2021-06-06 05:46:41,480 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:41,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:41,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:41,511 INFO L354 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2021-06-06 05:46:41,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 1 [2021-06-06 05:46:41,512 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:43,498 WARN L205 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 261 DAG size of output: 259 [2021-06-06 05:46:43,499 INFO L628 ElimStorePlain]: treesize reduction 13, result has 99.2 percent of original size [2021-06-06 05:46:43,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:43,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:43,572 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-06 05:46:43,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 40 treesize of output 50 [2021-06-06 05:46:43,588 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:43,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:43,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:43,638 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-06 05:46:43,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 35 treesize of output 35 [2021-06-06 05:46:43,643 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:44,607 WARN L205 SmtUtils]: Spent 964.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2021-06-06 05:46:44,608 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:46:44,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:44,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:44,685 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-06-06 05:46:44,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 39 treesize of output 39 [2021-06-06 05:46:44,691 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:44,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:44,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:44,720 INFO L354 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2021-06-06 05:46:44,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 37 treesize of output 1 [2021-06-06 05:46:44,720 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:45,602 WARN L205 SmtUtils]: Spent 880.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2021-06-06 05:46:45,602 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:46:45,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:45,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:45,672 INFO L354 Elim1Store]: treesize reduction 14, result has 68.9 percent of original size [2021-06-06 05:46:45,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 33 treesize of output 49 [2021-06-06 05:46:45,685 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:45,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:45,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:45,747 INFO L354 Elim1Store]: treesize reduction 18, result has 60.0 percent of original size [2021-06-06 05:46:45,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 38 treesize of output 48 [2021-06-06 05:46:45,752 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:46,577 WARN L205 SmtUtils]: Spent 825.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-06-06 05:46:46,577 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:46:46,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:46,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:46,637 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-06-06 05:46:46,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 50 treesize of output 42 [2021-06-06 05:46:46,645 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:46,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:46,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:46,686 INFO L354 Elim1Store]: treesize reduction 32, result has 28.9 percent of original size [2021-06-06 05:46:46,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 34 [2021-06-06 05:46:46,688 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:48,232 WARN L205 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2021-06-06 05:46:48,232 INFO L628 ElimStorePlain]: treesize reduction 16, result has 98.8 percent of original size [2021-06-06 05:46:48,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:48,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:48,299 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-06 05:46:48,299 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 50 [2021-06-06 05:46:48,303 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:48,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:48,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:48,346 INFO L354 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2021-06-06 05:46:48,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 40 [2021-06-06 05:46:48,349 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:49,064 WARN L205 SmtUtils]: Spent 714.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2021-06-06 05:46:49,065 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:46:49,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:49,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:49,126 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-06 05:46:49,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 50 [2021-06-06 05:46:49,131 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:49,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:49,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:49,170 INFO L354 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2021-06-06 05:46:49,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 40 [2021-06-06 05:46:49,175 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:50,493 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 185 DAG size of output: 181 [2021-06-06 05:46:50,493 INFO L628 ElimStorePlain]: treesize reduction 17, result has 98.7 percent of original size [2021-06-06 05:46:50,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:50,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:50,560 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-06-06 05:46:50,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 54 [2021-06-06 05:46:50,575 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:50,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:50,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:50,598 INFO L354 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2021-06-06 05:46:50,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 1 [2021-06-06 05:46:50,598 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:51,204 WARN L205 SmtUtils]: Spent 605.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2021-06-06 05:46:51,205 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:46:51,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:51,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:51,249 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-06 05:46:51,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 42 treesize of output 38 [2021-06-06 05:46:51,252 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:51,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:51,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:51,287 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-06-06 05:46:51,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 42 [2021-06-06 05:46:51,297 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:52,331 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 155 DAG size of output: 154 [2021-06-06 05:46:52,332 INFO L628 ElimStorePlain]: treesize reduction 43, result has 96.1 percent of original size [2021-06-06 05:46:52,417 INFO L550 ElimStorePlain]: Start of recursive call 1: 17 dim-0 vars, 16 dim-1 vars, End of recursive call: and 26 xjuncts. [2021-06-06 05:46:52,417 INFO L247 ElimStorePlain]: Needed 33 recursive calls to eliminate 33 variables, input treesize:2177, output treesize:1228 [2021-06-06 05:46:52,635 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 25 [2021-06-06 05:46:52,688 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 05:46:52,689 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [448944922] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:46:52,689 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 05:46:52,689 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16] total 25 [2021-06-06 05:46:52,689 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276564212] [2021-06-06 05:46:52,689 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-06 05:46:52,689 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:46:52,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-06 05:46:52,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=506, Unknown=0, NotChecked=0, Total=600 [2021-06-06 05:46:52,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:46:52,690 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:46:52,690 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) [2021-06-06 05:46:52,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:46:52,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:46:52,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:46:52,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:46:52,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 05:46:52,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:46:53,116 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 62 [2021-06-06 05:46:53,386 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 51 [2021-06-06 05:46:53,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:46:53,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:46:53,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:46:53,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:46:53,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 05:46:53,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 05:46:53,704 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-06-06 05:46:53,704 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:46:53,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:46:53,705 INFO L82 PathProgramCache]: Analyzing trace with hash -1404753657, now seen corresponding path program 3 times [2021-06-06 05:46:53,705 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:46:53,705 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644030511] [2021-06-06 05:46:53,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:46:53,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:46:53,786 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 05:46:53,786 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:46:53,786 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644030511] [2021-06-06 05:46:53,786 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644030511] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:46:53,786 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [405783147] [2021-06-06 05:46:53,786 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 [2021-06-06 05:46:53,824 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-06 05:46:53,824 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 05:46:53,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-06 05:46:53,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 05:46:53,965 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 05:46:53,965 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [405783147] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:46:53,965 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 05:46:53,965 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-06-06 05:46:53,965 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433866480] [2021-06-06 05:46:53,966 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-06 05:46:53,966 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:46:53,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-06 05:46:53,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-06-06 05:46:53,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:46:53,967 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:46:53,967 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) [2021-06-06 05:46:53,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:46:53,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:46:53,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:46:53,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:46:53,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 05:46:53,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 05:46:53,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:46:54,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:46:54,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:46:54,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:46:54,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:46:54,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 05:46:54,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 05:46:54,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 05:46:54,541 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable286,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:46:54,542 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:46:54,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:46:54,542 INFO L82 PathProgramCache]: Analyzing trace with hash -1909403317, now seen corresponding path program 4 times [2021-06-06 05:46:54,542 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:46:54,542 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025835264] [2021-06-06 05:46:54,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:46:54,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:46:54,601 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 05:46:54,601 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:46:54,601 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025835264] [2021-06-06 05:46:54,601 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025835264] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:46:54,601 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1785530728] [2021-06-06 05:46:54,601 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 [2021-06-06 05:46:54,629 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 05:46:54,629 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 05:46:54,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-06 05:46:54,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 05:46:54,719 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 05:46:54,719 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1785530728] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:46:54,720 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 05:46:54,721 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-06-06 05:46:54,721 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745416790] [2021-06-06 05:46:54,721 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-06 05:46:54,721 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:46:54,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-06 05:46:54,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-06-06 05:46:54,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:46:54,722 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:46:54,722 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 2.823529411764706) internal successors, (48), 17 states have internal predecessors, (48), 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) [2021-06-06 05:46:54,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:46:54,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:46:54,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:46:54,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:46:54,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 05:46:54,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 05:46:54,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 05:46:54,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:46:54,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:46:54,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:46:54,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:46:54,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:46:54,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 05:46:54,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 05:46:54,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 05:46:54,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 05:46:55,056 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable287 [2021-06-06 05:46:55,057 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:46:55,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:46:55,057 INFO L82 PathProgramCache]: Analyzing trace with hash 665523753, now seen corresponding path program 5 times [2021-06-06 05:46:55,057 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:46:55,057 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243126818] [2021-06-06 05:46:55,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:46:55,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:46:55,662 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 60 [2021-06-06 05:46:55,982 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 100 [2021-06-06 05:46:56,531 WARN L205 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 116 [2021-06-06 05:46:57,077 WARN L205 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 111 [2021-06-06 05:46:57,292 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 76 [2021-06-06 05:46:57,454 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 49 [2021-06-06 05:46:57,627 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 05:46:57,627 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:46:57,627 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243126818] [2021-06-06 05:46:57,627 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243126818] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:46:57,627 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1820084625] [2021-06-06 05:46:57,627 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 [2021-06-06 05:46:57,670 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-06 05:46:57,670 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 05:46:57,671 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 48 conjunts are in the unsatisfiable core [2021-06-06 05:46:57,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 05:46:59,297 WARN L205 SmtUtils]: Spent 942.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2021-06-06 05:47:00,623 WARN L205 SmtUtils]: Spent 962.00 ms on a formula simplification that was a NOOP. DAG size: 353 [2021-06-06 05:47:02,523 WARN L205 SmtUtils]: Spent 996.00 ms on a formula simplification that was a NOOP. DAG size: 361 [2021-06-06 05:47:04,104 WARN L205 SmtUtils]: Spent 933.00 ms on a formula simplification that was a NOOP. DAG size: 362 [2021-06-06 05:47:05,695 WARN L205 SmtUtils]: Spent 984.00 ms on a formula simplification that was a NOOP. DAG size: 364 [2021-06-06 05:47:07,132 WARN L205 SmtUtils]: Spent 992.00 ms on a formula simplification that was a NOOP. DAG size: 363 [2021-06-06 05:47:08,261 WARN L205 SmtUtils]: Spent 665.00 ms on a formula simplification that was a NOOP. DAG size: 350 [2021-06-06 05:47:09,831 WARN L205 SmtUtils]: Spent 646.00 ms on a formula simplification that was a NOOP. DAG size: 349 [2021-06-06 05:47:10,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:10,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:10,541 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:47:10,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:10,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:10,549 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:47:10,564 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 22 [2021-06-06 05:47:10,566 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:10,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:10,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:10,602 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:47:10,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:10,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:10,606 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 [2021-06-06 05:47:10,607 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:15,339 WARN L205 SmtUtils]: Spent 4.73 s on a formula simplification. DAG size of input: 790 DAG size of output: 635 [2021-06-06 05:47:15,340 INFO L628 ElimStorePlain]: treesize reduction 2064, result has 44.1 percent of original size [2021-06-06 05:47:15,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:15,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:15,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:15,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:15,367 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 44 treesize of output 22 [2021-06-06 05:47:15,369 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:16,564 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 623 [2021-06-06 05:47:16,564 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:16,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:16,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:16,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:16,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:16,593 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 [2021-06-06 05:47:16,595 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:17,709 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 611 [2021-06-06 05:47:17,710 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:17,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:17,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:17,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:17,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:17,741 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 44 treesize of output 22 [2021-06-06 05:47:17,743 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:18,791 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 599 [2021-06-06 05:47:18,791 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:18,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:18,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:18,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:18,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:18,842 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 [2021-06-06 05:47:18,843 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:19,860 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 587 [2021-06-06 05:47:19,860 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:19,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:19,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:19,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:19,887 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:47:19,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:19,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:19,890 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 40 treesize of output 22 [2021-06-06 05:47:19,892 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:20,855 WARN L205 SmtUtils]: Spent 961.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2021-06-06 05:47:20,855 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:20,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:20,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:20,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:20,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:20,881 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 44 treesize of output 22 [2021-06-06 05:47:20,882 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:21,808 WARN L205 SmtUtils]: Spent 924.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2021-06-06 05:47:21,808 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:21,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:21,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:21,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:21,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:21,835 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 44 treesize of output 22 [2021-06-06 05:47:21,836 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:22,767 WARN L205 SmtUtils]: Spent 930.00 ms on a formula simplification that was a NOOP. DAG size: 547 [2021-06-06 05:47:22,767 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:22,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:22,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:22,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:22,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:22,793 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 [2021-06-06 05:47:22,796 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:23,638 WARN L205 SmtUtils]: Spent 841.00 ms on a formula simplification that was a NOOP. DAG size: 535 [2021-06-06 05:47:23,638 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:23,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:23,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:23,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:23,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:23,662 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 [2021-06-06 05:47:23,663 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:24,441 WARN L205 SmtUtils]: Spent 776.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2021-06-06 05:47:24,441 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:24,441 INFO L518 ElimStorePlain]: Eliminatee v_prenex_146 vanished before elimination [2021-06-06 05:47:24,461 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:47:24,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:24,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:24,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:24,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:24,466 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 44 treesize of output 22 [2021-06-06 05:47:24,468 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:25,219 WARN L205 SmtUtils]: Spent 750.00 ms on a formula simplification that was a NOOP. DAG size: 509 [2021-06-06 05:47:25,219 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:25,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:25,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:25,241 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:47:25,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:25,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:25,244 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 38 treesize of output 22 [2021-06-06 05:47:25,246 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:25,995 WARN L205 SmtUtils]: Spent 748.00 ms on a formula simplification that was a NOOP. DAG size: 495 [2021-06-06 05:47:25,995 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:26,014 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:47:26,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:26,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:26,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:26,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:26,018 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 36 treesize of output 22 [2021-06-06 05:47:26,020 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:26,735 WARN L205 SmtUtils]: Spent 714.00 ms on a formula simplification that was a NOOP. DAG size: 482 [2021-06-06 05:47:26,736 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:26,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:26,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:26,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:26,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:26,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:26,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:26,761 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:47:26,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:26,763 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 44 treesize of output 22 [2021-06-06 05:47:26,765 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:27,477 WARN L205 SmtUtils]: Spent 711.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2021-06-06 05:47:27,478 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:27,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:27,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:27,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:27,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:27,500 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:47:27,500 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 44 treesize of output 22 [2021-06-06 05:47:27,502 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:28,179 WARN L205 SmtUtils]: Spent 676.00 ms on a formula simplification that was a NOOP. DAG size: 454 [2021-06-06 05:47:28,179 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:28,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:28,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:28,199 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:47:28,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:28,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:28,201 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 44 treesize of output 22 [2021-06-06 05:47:28,203 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:28,858 WARN L205 SmtUtils]: Spent 654.00 ms on a formula simplification that was a NOOP. DAG size: 440 [2021-06-06 05:47:28,858 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:28,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:28,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:28,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:28,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:28,879 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 44 treesize of output 22 [2021-06-06 05:47:28,881 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:29,473 WARN L205 SmtUtils]: Spent 591.00 ms on a formula simplification that was a NOOP. DAG size: 427 [2021-06-06 05:47:29,473 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:29,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:29,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:29,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:29,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:29,493 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 [2021-06-06 05:47:29,495 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:30,041 WARN L205 SmtUtils]: Spent 545.00 ms on a formula simplification that was a NOOP. DAG size: 414 [2021-06-06 05:47:30,042 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:30,058 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:47:30,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:30,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:30,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:30,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:30,062 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 [2021-06-06 05:47:30,064 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:30,599 WARN L205 SmtUtils]: Spent 534.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2021-06-06 05:47:30,599 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:30,616 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:47:30,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:30,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:30,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:30,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:30,620 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 44 treesize of output 22 [2021-06-06 05:47:30,621 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:31,118 WARN L205 SmtUtils]: Spent 496.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2021-06-06 05:47:31,118 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:31,134 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:47:31,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:31,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:31,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:31,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:31,138 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 40 treesize of output 22 [2021-06-06 05:47:31,140 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:31,619 WARN L205 SmtUtils]: Spent 478.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2021-06-06 05:47:31,619 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:31,633 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:47:31,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:31,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:31,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:31,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:31,638 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 44 treesize of output 22 [2021-06-06 05:47:31,640 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:32,090 WARN L205 SmtUtils]: Spent 450.00 ms on a formula simplification that was a NOOP. DAG size: 359 [2021-06-06 05:47:32,090 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:32,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:32,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:32,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:32,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:32,109 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 44 treesize of output 22 [2021-06-06 05:47:32,110 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:32,534 WARN L205 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 346 [2021-06-06 05:47:32,534 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:32,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:32,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:32,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:32,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:32,552 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 44 treesize of output 22 [2021-06-06 05:47:32,553 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:32,963 WARN L205 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 333 [2021-06-06 05:47:32,963 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:32,977 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:47:32,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:32,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:32,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:32,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:32,981 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 [2021-06-06 05:47:32,982 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:33,368 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 319 [2021-06-06 05:47:33,368 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:33,382 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:47:33,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:33,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:33,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:33,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:33,386 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 44 treesize of output 22 [2021-06-06 05:47:33,387 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:33,759 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 305 [2021-06-06 05:47:33,759 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:33,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:33,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:33,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:33,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:33,776 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 [2021-06-06 05:47:33,777 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:34,121 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 292 [2021-06-06 05:47:34,121 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:34,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:34,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:34,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:34,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:34,137 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 22 [2021-06-06 05:47:34,138 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:34,465 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 279 [2021-06-06 05:47:34,465 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:34,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:34,478 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:47:34,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:34,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:34,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:34,481 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 [2021-06-06 05:47:34,482 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:34,794 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2021-06-06 05:47:34,794 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:34,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:34,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:34,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:34,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:34,809 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 [2021-06-06 05:47:34,811 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:35,103 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 252 [2021-06-06 05:47:35,103 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:35,114 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:47:35,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:35,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:35,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:35,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:35,118 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 44 treesize of output 22 [2021-06-06 05:47:35,119 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:35,391 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2021-06-06 05:47:35,392 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:35,414 INFO L550 ElimStorePlain]: Start of recursive call 1: 64 dim-0 vars, 32 dim-1 vars, End of recursive call: and 10 xjuncts. [2021-06-06 05:47:35,415 INFO L247 ElimStorePlain]: Needed 33 recursive calls to eliminate 96 variables, input treesize:3792, output treesize:71 [2021-06-06 05:47:35,540 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 05:47:35,540 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1820084625] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:47:35,540 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 05:47:35,540 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2021-06-06 05:47:35,547 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378995567] [2021-06-06 05:47:35,548 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-06-06 05:47:35,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:47:35,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-06-06 05:47:35,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=898, Unknown=0, NotChecked=0, Total=992 [2021-06-06 05:47:35,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:47:35,548 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:47:35,549 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) [2021-06-06 05:47:35,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:47:35,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:47:35,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:47:35,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:47:35,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 05:47:35,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 05:47:35,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 05:47:35,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 05:47:35,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:47:35,967 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 33 [2021-06-06 05:47:36,365 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 41 [2021-06-06 05:47:36,861 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 63 [2021-06-06 05:47:37,057 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2021-06-06 05:47:37,381 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 58 [2021-06-06 05:47:37,680 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 83 [2021-06-06 05:47:38,553 WARN L205 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 541 DAG size of output: 125 [2021-06-06 05:47:40,632 WARN L205 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 206 DAG size of output: 121 [2021-06-06 05:47:43,968 WARN L205 SmtUtils]: Spent 3.08 s on a formula simplification. DAG size of input: 513 DAG size of output: 160 [2021-06-06 05:47:44,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:47:44,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:47:44,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:47:44,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:47:44,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 05:47:44,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 05:47:44,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 05:47:44,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 05:47:44,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 05:47:44,880 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable288 [2021-06-06 05:47:44,880 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:47:44,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:47:44,880 INFO L82 PathProgramCache]: Analyzing trace with hash 440189797, now seen corresponding path program 6 times [2021-06-06 05:47:44,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:47:44,881 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190105626] [2021-06-06 05:47:44,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:47:44,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:47:45,454 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2021-06-06 05:47:45,854 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 114 [2021-06-06 05:47:46,271 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 117 [2021-06-06 05:47:46,837 WARN L205 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 138 [2021-06-06 05:47:47,219 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 106 [2021-06-06 05:47:47,425 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 75 [2021-06-06 05:47:47,769 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 05:47:47,770 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:47:47,770 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190105626] [2021-06-06 05:47:47,770 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190105626] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:47:47,770 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1092497591] [2021-06-06 05:47:47,770 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 [2021-06-06 05:47:47,823 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-06-06 05:47:47,823 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 05:47:47,824 WARN L261 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 59 conjunts are in the unsatisfiable core [2021-06-06 05:47:47,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 05:47:48,444 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2021-06-06 05:47:48,634 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-06-06 05:47:51,780 WARN L205 SmtUtils]: Spent 2.51 s on a formula simplification that was a NOOP. DAG size: 168 [2021-06-06 05:47:55,396 WARN L205 SmtUtils]: Spent 2.79 s on a formula simplification that was a NOOP. DAG size: 669 [2021-06-06 05:48:00,610 WARN L205 SmtUtils]: Spent 2.95 s on a formula simplification that was a NOOP. DAG size: 678 [2021-06-06 05:48:04,723 WARN L205 SmtUtils]: Spent 2.55 s on a formula simplification that was a NOOP. DAG size: 679 [2021-06-06 05:48:09,098 WARN L205 SmtUtils]: Spent 2.91 s on a formula simplification that was a NOOP. DAG size: 681 [2021-06-06 05:48:13,227 WARN L205 SmtUtils]: Spent 3.19 s on a formula simplification that was a NOOP. DAG size: 682 [2021-06-06 05:48:17,416 WARN L205 SmtUtils]: Spent 2.90 s on a formula simplification that was a NOOP. DAG size: 685 [2021-06-06 05:48:20,626 WARN L205 SmtUtils]: Spent 2.08 s on a formula simplification that was a NOOP. DAG size: 684 [2021-06-06 05:48:22,267 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 1064 DAG size of output: 1064 [2021-06-06 05:48:22,479 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 1447 DAG size of output: 1447 [2021-06-06 05:48:22,608 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 1447 DAG size of output: 1447 [2021-06-06 05:48:30,785 WARN L205 SmtUtils]: Spent 6.65 s on a formula simplification. DAG size of input: 1447 DAG size of output: 1075 [2021-06-06 05:48:34,844 WARN L205 SmtUtils]: Spent 2.54 s on a formula simplification that was a NOOP. DAG size: 1077 [2021-06-06 05:48:40,545 INFO L446 ElimStorePlain]: Different costs {11=[v_prenex_349, v_prenex_328, v_prenex_296, v_prenex_342, v_prenex_298, v_prenex_331, v_prenex_332, v_prenex_333, v_prenex_357, v_prenex_337], 15=[v_prenex_350, v_prenex_295, v_prenex_341, v_prenex_321, v_prenex_354, v_prenex_310, v_prenex_322, v_prenex_355, v_prenex_311, v_prenex_300, v_prenex_344, v_prenex_301, v_prenex_334, v_prenex_346, v_prenex_335, v_prenex_314, v_prenex_347, v_prenex_348, v_prenex_317, v_prenex_307, v_prenex_308], 18=[v_prenex_340, v_prenex_320, v_prenex_343, v_prenex_323, v_prenex_345, v_prenex_324, v_prenex_302, v_prenex_325, v_prenex_303, v_prenex_326, v_prenex_304, v_prenex_316, v_prenex_338, v_prenex_318, v_prenex_319, v_prenex_351, v_prenex_352, v_prenex_330, v_prenex_297, v_prenex_353, v_prenex_299, v_prenex_312, v_prenex_356, v_prenex_313, v_prenex_336, v_prenex_315, v_prenex_305, v_prenex_327, v_prenex_306, A, v_prenex_329, v_prenex_309], 21=[v_prenex_339]} [2021-06-06 05:48:40,729 INFO L244 Elim1Store]: Index analysis took 110 ms [2021-06-06 05:48:41,261 WARN L205 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 46 [2021-06-06 05:48:41,262 INFO L354 Elim1Store]: treesize reduction 24, result has 73.0 percent of original size [2021-06-06 05:48:41,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 56 treesize of output 92 [2021-06-06 05:48:41,288 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:41,944 WARN L205 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 34 [2021-06-06 05:48:41,944 INFO L354 Elim1Store]: treesize reduction 40, result has 55.1 percent of original size [2021-06-06 05:48:41,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 56 treesize of output 76 [2021-06-06 05:48:41,947 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 05:49:08,103 WARN L205 SmtUtils]: Spent 26.15 s on a formula simplification that was a NOOP. DAG size: 1817 [2021-06-06 05:49:08,104 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:49:08,415 INFO L244 Elim1Store]: Index analysis took 221 ms [2021-06-06 05:49:08,808 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-06-06 05:49:08,808 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:49:08,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 58 treesize of output 116 [2021-06-06 05:49:09,024 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 05:49:09,832 WARN L205 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 46 [2021-06-06 05:49:09,833 INFO L354 Elim1Store]: treesize reduction 24, result has 73.0 percent of original size [2021-06-06 05:49:09,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 58 treesize of output 92 [2021-06-06 05:49:09,845 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 05:50:03,092 WARN L205 SmtUtils]: Spent 53.24 s on a formula simplification. DAG size of input: 1822 DAG size of output: 1801 [2021-06-06 05:50:03,095 INFO L628 ElimStorePlain]: treesize reduction 95, result has 99.0 percent of original size [2021-06-06 05:50:03,362 INFO L244 Elim1Store]: Index analysis took 183 ms [2021-06-06 05:50:03,871 WARN L205 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 34 [2021-06-06 05:50:03,871 INFO L354 Elim1Store]: treesize reduction 40, result has 55.1 percent of original size [2021-06-06 05:50:03,872 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 58 treesize of output 76 [2021-06-06 05:50:03,874 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 05:50:04,131 INFO L244 Elim1Store]: Index analysis took 162 ms [2021-06-06 05:50:04,641 WARN L205 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 46 [2021-06-06 05:50:04,642 INFO L354 Elim1Store]: treesize reduction 24, result has 73.0 percent of original size [2021-06-06 05:50:04,642 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 58 treesize of output 92 [2021-06-06 05:50:04,658 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 05:50:58,258 WARN L205 SmtUtils]: Spent 53.60 s on a formula simplification. DAG size of input: 1800 DAG size of output: 1797 [2021-06-06 05:50:58,261 INFO L628 ElimStorePlain]: treesize reduction 14, result has 99.9 percent of original size [2021-06-06 05:50:58,549 INFO L244 Elim1Store]: Index analysis took 200 ms [2021-06-06 05:50:59,004 WARN L205 SmtUtils]: Spent 451.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-06-06 05:50:59,004 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:50:59,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 58 treesize of output 116 [2021-06-06 05:50:59,396 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 05:50:59,595 INFO L244 Elim1Store]: Index analysis took 107 ms [2021-06-06 05:51:00,153 WARN L205 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 46 [2021-06-06 05:51:00,153 INFO L354 Elim1Store]: treesize reduction 24, result has 73.0 percent of original size [2021-06-06 05:51:00,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 58 treesize of output 92 [2021-06-06 05:51:00,191 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 05:51:53,338 WARN L205 SmtUtils]: Spent 53.14 s on a formula simplification. DAG size of input: 1839 DAG size of output: 1780 [2021-06-06 05:51:53,341 INFO L628 ElimStorePlain]: treesize reduction 411, result has 95.9 percent of original size [2021-06-06 05:51:53,590 INFO L244 Elim1Store]: Index analysis took 168 ms [2021-06-06 05:51:54,333 WARN L205 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 46 [2021-06-06 05:51:54,333 INFO L354 Elim1Store]: treesize reduction 24, result has 73.0 percent of original size [2021-06-06 05:51:54,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 58 treesize of output 92 [2021-06-06 05:51:54,364 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 05:51:55,161 WARN L205 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 34 [2021-06-06 05:51:55,162 INFO L354 Elim1Store]: treesize reduction 40, result has 55.1 percent of original size [2021-06-06 05:51:55,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 58 treesize of output 76 [2021-06-06 05:51:55,164 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 05:52:49,100 WARN L205 SmtUtils]: Spent 53.93 s on a formula simplification. DAG size of input: 1783 DAG size of output: 1777 [2021-06-06 05:52:49,103 INFO L628 ElimStorePlain]: treesize reduction 40, result has 99.6 percent of original size [2021-06-06 05:52:49,321 INFO L244 Elim1Store]: Index analysis took 139 ms [2021-06-06 05:52:49,743 WARN L205 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 46 [2021-06-06 05:52:49,743 INFO L354 Elim1Store]: treesize reduction 24, result has 73.0 percent of original size [2021-06-06 05:52:49,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 41 treesize of output 89 [2021-06-06 05:52:49,762 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 05:52:50,348 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 34 [2021-06-06 05:52:50,348 INFO L354 Elim1Store]: treesize reduction 40, result has 55.1 percent of original size [2021-06-06 05:52:50,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 46 treesize of output 76 [2021-06-06 05:52:50,351 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 05:53:16,470 WARN L205 SmtUtils]: Spent 26.12 s on a formula simplification that was a NOOP. DAG size: 1773 [2021-06-06 05:53:16,471 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:53:16,732 INFO L244 Elim1Store]: Index analysis took 175 ms [2021-06-06 05:53:17,440 WARN L205 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 34 [2021-06-06 05:53:17,441 INFO L354 Elim1Store]: treesize reduction 40, result has 55.1 percent of original size [2021-06-06 05:53:17,441 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 58 treesize of output 76 [2021-06-06 05:53:17,443 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 05:53:18,224 WARN L205 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 46 [2021-06-06 05:53:18,224 INFO L354 Elim1Store]: treesize reduction 24, result has 73.0 percent of original size [2021-06-06 05:53:18,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 58 treesize of output 92 [2021-06-06 05:53:18,259 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 05:54:10,895 WARN L205 SmtUtils]: Spent 52.63 s on a formula simplification. DAG size of input: 1772 DAG size of output: 1768 [2021-06-06 05:54:10,899 INFO L628 ElimStorePlain]: treesize reduction 34, result has 99.6 percent of original size [2021-06-06 05:54:11,163 INFO L244 Elim1Store]: Index analysis took 183 ms [2021-06-06 05:54:11,634 WARN L205 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 46 [2021-06-06 05:54:11,634 INFO L354 Elim1Store]: treesize reduction 24, result has 73.0 percent of original size [2021-06-06 05:54:11,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 56 treesize of output 92 [2021-06-06 05:54:11,657 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-06 05:54:11,843 INFO L244 Elim1Store]: Index analysis took 103 ms [2021-06-06 05:54:12,380 WARN L205 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 34 [2021-06-06 05:54:12,380 INFO L354 Elim1Store]: treesize reduction 40, result has 55.1 percent of original size [2021-06-06 05:54:12,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 56 treesize of output 76 [2021-06-06 05:54:12,383 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-06 05:55:03,906 WARN L205 SmtUtils]: Spent 51.52 s on a formula simplification. DAG size of input: 1766 DAG size of output: 1762 [2021-06-06 05:55:03,910 INFO L628 ElimStorePlain]: treesize reduction 30, result has 99.7 percent of original size [2021-06-06 05:55:04,167 INFO L244 Elim1Store]: Index analysis took 175 ms [2021-06-06 05:55:04,451 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-06-06 05:55:04,452 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:55:04,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 56 treesize of output 116 [2021-06-06 05:55:04,693 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-06 05:55:05,588 WARN L205 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 46 [2021-06-06 05:55:05,588 INFO L354 Elim1Store]: treesize reduction 24, result has 73.0 percent of original size [2021-06-06 05:55:05,588 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 56 treesize of output 92 [2021-06-06 05:55:05,605 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-06 05:55:58,258 WARN L205 SmtUtils]: Spent 52.65 s on a formula simplification. DAG size of input: 1769 DAG size of output: 1745 [2021-06-06 05:55:58,262 INFO L628 ElimStorePlain]: treesize reduction 138, result has 98.6 percent of original size [2021-06-06 05:55:58,516 INFO L244 Elim1Store]: Index analysis took 168 ms [2021-06-06 05:55:58,995 WARN L205 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 46 [2021-06-06 05:55:58,995 INFO L354 Elim1Store]: treesize reduction 24, result has 73.0 percent of original size [2021-06-06 05:55:58,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 58 treesize of output 92 [2021-06-06 05:55:59,016 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-06 05:55:59,457 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-06-06 05:55:59,457 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:55:59,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 58 treesize of output 116 [2021-06-06 05:55:59,870 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-06 05:56:54,134 WARN L205 SmtUtils]: Spent 54.26 s on a formula simplification. DAG size of input: 1755 DAG size of output: 1728 [2021-06-06 05:56:54,137 INFO L628 ElimStorePlain]: treesize reduction 152, result has 98.4 percent of original size [2021-06-06 05:56:54,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:56:54,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:56:54,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:56:54,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:56:54,428 INFO L244 Elim1Store]: Index analysis took 211 ms [2021-06-06 05:56:54,874 WARN L205 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 34 [2021-06-06 05:56:54,875 INFO L354 Elim1Store]: treesize reduction 40, result has 55.1 percent of original size [2021-06-06 05:56:54,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 58 treesize of output 76 [2021-06-06 05:56:54,880 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-06 05:56:55,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:56:55,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:56:55,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:56:55,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:56:55,067 INFO L244 Elim1Store]: Index analysis took 109 ms [2021-06-06 05:56:55,476 WARN L205 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 46 [2021-06-06 05:56:55,477 INFO L354 Elim1Store]: treesize reduction 24, result has 73.0 percent of original size [2021-06-06 05:56:55,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 58 treesize of output 92 [2021-06-06 05:56:55,513 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-06 05:56:57,346 WARN L227 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: ASSERTION VIOLATION File: ../src/math/lp/int_solver.cpp Line: 562 Failed to verify: get_freedom_interval_for_column(j, inf_l, l, inf_u, u, m) || settings().get_cancel_flag() Z3 4.8.11.0 Please file an issue with this message and more detail about how you encountered it at https://github.com/Z3Prover/z3/issues/new [2021-06-06 05:56:57,347 WARN L348 FreeRefinementEngine]: Global settings require throwing the following exception [2021-06-06 05:56:57,550 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable444 [2021-06-06 05:56:57,551 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: ASSERTION VIOLATION File: ../src/math/lp/int_solver.cpp Line: 562 Failed to verify: get_freedom_interval_for_column(j, inf_l, l, inf_u, u, m) || settings().get_cancel_flag() Z3 4.8.11.0 Please file an issue with this message and more detail about how you encountered it at https://github.com/Z3Prover/z3/issues/new at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:258) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:61) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.getRedundancy(SimplifyDDA.java:621) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getRedundancy(SimplifyDDAWithTimeout.java:120) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA$Simplifier.walk(SimplifyDDA.java:393) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.simplifyOnce(SimplifyDDA.java:649) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:180) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:173) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:238) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.eliminateOne(ElimStorePlain.java:625) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimAllRec(ElimStorePlain.java:520) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:242) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:307) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:100) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:246) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:201) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:299) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:297) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:190) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:180) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:643) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:374) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:63) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:364) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:293) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:238) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:238) ... 56 more [2021-06-06 05:56:57,553 INFO L168 Benchmark]: Toolchain (without parser) took 634062.42 ms. Allocated memory was 364.9 MB in the beginning and 526.4 MB in the end (delta: 161.5 MB). Free memory was 344.2 MB in the beginning and 374.0 MB in the end (delta: -29.8 MB). Peak memory consumption was 328.1 MB. Max. memory is 16.0 GB. [2021-06-06 05:56:57,553 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.10 ms. Allocated memory is still 364.9 MB. Free memory is still 345.2 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 05:56:57,553 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.26 ms. Allocated memory is still 364.9 MB. Free memory was 344.1 MB in the beginning and 342.6 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 05:56:57,553 INFO L168 Benchmark]: Boogie Preprocessor took 18.15 ms. Allocated memory is still 364.9 MB. Free memory was 342.6 MB in the beginning and 341.6 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-06 05:56:57,553 INFO L168 Benchmark]: RCFGBuilder took 231.75 ms. Allocated memory is still 364.9 MB. Free memory was 341.6 MB in the beginning and 329.0 MB in the end (delta: 12.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. [2021-06-06 05:56:57,553 INFO L168 Benchmark]: TraceAbstraction took 633779.33 ms. Allocated memory was 364.9 MB in the beginning and 526.4 MB in the end (delta: 161.5 MB). Free memory was 328.4 MB in the beginning and 374.0 MB in the end (delta: -45.5 MB). Peak memory consumption was 313.5 MB. Max. memory is 16.0 GB. [2021-06-06 05:56:57,553 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.10 ms. Allocated memory is still 364.9 MB. Free memory is still 345.2 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 29.26 ms. Allocated memory is still 364.9 MB. Free memory was 344.1 MB in the beginning and 342.6 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 18.15 ms. Allocated memory is still 364.9 MB. Free memory was 342.6 MB in the beginning and 341.6 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 231.75 ms. Allocated memory is still 364.9 MB. Free memory was 341.6 MB in the beginning and 329.0 MB in the end (delta: 12.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. * TraceAbstraction took 633779.33 ms. Allocated memory was 364.9 MB in the beginning and 526.4 MB in the end (delta: 161.5 MB). Free memory was 328.4 MB in the beginning and 374.0 MB in the end (delta: -45.5 MB). Peak memory consumption was 313.5 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: ASSERTION VIOLATION File: ../src/math/lp/int_solver.cpp Line: 562 Failed to verify: get_freedom_interval_for_column(j, inf_l, l, inf_u, u, m) || settings().get_cancel_flag() Z3 4.8.11.0 Please file an issue with this message and more detail about how you encountered it at https://github.com/Z3Prover/z3/issues/new de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: ASSERTION VIOLATION File: ../src/math/lp/int_solver.cpp Line: 562 Failed to verify: get_freedom_interval_for_column(j, inf_l, l, inf_u, u, m) || settings().get_cancel_flag() Z3 4.8.11.0 Please file an issue with this message and more detail about how you encountered it at https://github.com/Z3Prover/z3/issues/new : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...