/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-fun-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-17 07:21:44,119 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-17 07:21:44,120 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-17 07:21:44,160 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-17 07:21:44,160 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-17 07:21:44,164 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-17 07:21:44,166 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-17 07:21:44,174 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-17 07:21:44,176 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-17 07:21:44,180 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-17 07:21:44,180 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-17 07:21:44,182 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-17 07:21:44,182 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-17 07:21:44,184 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-17 07:21:44,185 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-17 07:21:44,186 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-17 07:21:44,189 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-17 07:21:44,189 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-17 07:21:44,192 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-17 07:21:44,197 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-17 07:21:44,198 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-17 07:21:44,199 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-17 07:21:44,200 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-17 07:21:44,202 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-17 07:21:44,207 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-17 07:21:44,207 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-17 07:21:44,208 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-17 07:21:44,209 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-17 07:21:44,211 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-17 07:21:44,212 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-17 07:21:44,212 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-17 07:21:44,213 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-17 07:21:44,214 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-17 07:21:44,215 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-17 07:21:44,216 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-17 07:21:44,216 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-17 07:21:44,217 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-17 07:21:44,217 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-17 07:21:44,217 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-17 07:21:44,227 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-17 07:21:44,227 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-17 07:21:44,231 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-NewStatesSleepPersistentFixedOrder-NoLbe.epf [2021-06-17 07:21:44,266 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-17 07:21:44,266 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-17 07:21:44,267 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-17 07:21:44,267 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-17 07:21:44,269 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-17 07:21:44,269 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-17 07:21:44,269 INFO L138 SettingsManager]: * Use SBE=true [2021-06-17 07:21:44,270 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-17 07:21:44,270 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-17 07:21:44,270 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-17 07:21:44,271 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-17 07:21:44,271 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-17 07:21:44,271 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-17 07:21:44,271 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-17 07:21:44,271 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-17 07:21:44,271 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-17 07:21:44,272 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-17 07:21:44,272 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-17 07:21:44,272 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-17 07:21:44,272 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-17 07:21:44,272 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-17 07:21:44,272 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-17 07:21:44,272 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-17 07:21:44,273 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-17 07:21:44,273 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-17 07:21:44,273 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-17 07:21:44,273 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-17 07:21:44,273 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-17 07:21:44,273 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-17 07:21:44,273 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-17 07:21:44,274 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-17 07:21:44,274 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-17 07:21:44,274 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-06-17 07:21:44,274 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-17 07:21:44,572 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-17 07:21:44,588 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-17 07:21:44,590 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-17 07:21:44,591 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-17 07:21:44,592 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-17 07:21:44,593 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-fun-alt.wvr.bpl [2021-06-17 07:21:44,593 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-fun-alt.wvr.bpl' [2021-06-17 07:21:44,640 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-17 07:21:44,641 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-17 07:21:44,642 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-17 07:21:44,642 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-17 07:21:44,642 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-17 07:21:44,654 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 07:21:44" (1/1) ... [2021-06-17 07:21:44,661 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 07:21:44" (1/1) ... [2021-06-17 07:21:44,668 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-17 07:21:44,670 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-17 07:21:44,670 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-17 07:21:44,671 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-17 07:21:44,677 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 07:21:44" (1/1) ... [2021-06-17 07:21:44,677 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 07:21:44" (1/1) ... [2021-06-17 07:21:44,679 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 07:21:44" (1/1) ... [2021-06-17 07:21:44,680 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 07:21:44" (1/1) ... [2021-06-17 07:21:44,681 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 07:21:44" (1/1) ... [2021-06-17 07:21:44,684 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 07:21:44" (1/1) ... [2021-06-17 07:21:44,684 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 07:21:44" (1/1) ... [2021-06-17 07:21:44,688 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-17 07:21:44,690 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-17 07:21:44,691 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-17 07:21:44,691 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-17 07:21:44,692 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 07:21:44" (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 [2021-06-17 07:21:44,757 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-17 07:21:44,757 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-17 07:21:44,757 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-17 07:21:44,757 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-17 07:21:44,757 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-17 07:21:44,758 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-17 07:21:44,758 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-17 07:21:44,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-17 07:21:44,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-17 07:21:44,758 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-17 07:21:44,758 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-17 07:21:44,758 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-17 07:21:44,759 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-17 07:21:44,920 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-17 07:21:44,920 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-17 07:21:44,922 INFO L202 PluginConnector]: Adding new model max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 07:21:44 BoogieIcfgContainer [2021-06-17 07:21:44,922 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-17 07:21:44,924 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-17 07:21:44,924 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-17 07:21:44,926 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-17 07:21:44,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 07:21:44" (1/2) ... [2021-06-17 07:21:44,927 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75701f56 and model type max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.06 07:21:44, skipping insertion in model container [2021-06-17 07:21:44,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 07:21:44" (2/2) ... [2021-06-17 07:21:44,928 INFO L111 eAbstractionObserver]: Analyzing ICFG max-fun-alt.wvr.bpl [2021-06-17 07:21:44,933 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-17 07:21:44,933 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-17 07:21:44,933 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-17 07:21:44,934 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-17 07:21:44,966 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-17 07:21:44,985 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 [2021-06-17 07:21:45,042 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-17 07:21:45,042 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-17 07:21:45,042 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-17 07:21:45,042 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-17 07:21:45,042 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-17 07:21:45,043 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-17 07:21:45,043 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-17 07:21:45,043 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-17 07:21:45,208 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 07:21:45,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 07:21:45,213 INFO L82 PathProgramCache]: Analyzing trace with hash 1399820781, now seen corresponding path program 1 times [2021-06-17 07:21:45,219 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 07:21:45,219 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138533242] [2021-06-17 07:21:45,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 07:21:45,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 07:21:45,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:21:45,328 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 07:21:45,328 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138533242] [2021-06-17 07:21:45,328 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138533242] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 07:21:45,329 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 07:21:45,329 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-17 07:21:45,329 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966006916] [2021-06-17 07:21:45,333 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-17 07:21:45,333 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 07:21:45,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-17 07:21:45,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-17 07:21:45,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:21:45,346 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 07:21:45,347 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) [2021-06-17 07:21:45,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:21:45,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:21:45,390 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-17 07:21:45,390 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 07:21:45,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 07:21:45,390 INFO L82 PathProgramCache]: Analyzing trace with hash 1882321483, now seen corresponding path program 1 times [2021-06-17 07:21:45,391 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 07:21:45,391 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664073372] [2021-06-17 07:21:45,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 07:21:45,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 07:21:45,441 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 07:21:45,441 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 07:21:45,441 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664073372] [2021-06-17 07:21:45,441 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664073372] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 07:21:45,441 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 07:21:45,442 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-17 07:21:45,442 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921862800] [2021-06-17 07:21:45,443 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-17 07:21:45,443 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 07:21:45,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-17 07:21:45,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-17 07:21:45,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:21:45,444 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 07:21:45,445 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) [2021-06-17 07:21:45,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:21:45,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:21:45,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:21:45,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:21:45,509 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-17 07:21:45,509 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 07:21:45,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 07:21:45,510 INFO L82 PathProgramCache]: Analyzing trace with hash 1166833961, now seen corresponding path program 1 times [2021-06-17 07:21:45,510 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 07:21:45,510 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955486167] [2021-06-17 07:21:45,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 07:21:45,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 07:21:45,941 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:21:45,942 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 07:21:45,942 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955486167] [2021-06-17 07:21:45,943 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955486167] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:21:45,943 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1929920751] [2021-06-17 07:21:45,944 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 [2021-06-17 07:21:45,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 07:21:45,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-17 07:21:46,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 07:21:46,345 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 [2021-06-17 07:21:46,346 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 07:21:46,359 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 [2021-06-17 07:21:46,365 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 07:21:46,368 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 [2021-06-17 07:21:46,371 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 07:21:46,381 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:21:46,384 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-17 07:21:46,384 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:91, output treesize:15 [2021-06-17 07:21:46,425 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:21:46,425 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1929920751] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:21:46,426 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 07:21:46,426 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-06-17 07:21:46,426 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853648000] [2021-06-17 07:21:46,427 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-17 07:21:46,427 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 07:21:46,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-17 07:21:46,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-06-17 07:21:46,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:21:46,430 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 07:21:46,430 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) [2021-06-17 07:21:46,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:21:46,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:21:46,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:21:46,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:21:46,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:21:46,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:21:46,828 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 07:21:46,829 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 07:21:46,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 07:21:46,829 INFO L82 PathProgramCache]: Analyzing trace with hash 2135652999, now seen corresponding path program 2 times [2021-06-17 07:21:46,830 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 07:21:46,830 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812245981] [2021-06-17 07:21:46,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 07:21:46,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 07:21:46,905 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:21:46,905 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 07:21:46,905 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812245981] [2021-06-17 07:21:46,905 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812245981] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:21:46,905 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [316658171] [2021-06-17 07:21:46,906 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 [2021-06-17 07:21:46,942 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 07:21:46,942 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 07:21:46,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-17 07:21:46,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 07:21:47,078 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:21:47,079 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [316658171] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:21:47,085 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 07:21:47,085 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-06-17 07:21:47,085 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686778661] [2021-06-17 07:21:47,086 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-17 07:21:47,086 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 07:21:47,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-17 07:21:47,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-06-17 07:21:47,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:21:47,090 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 07:21:47,090 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) [2021-06-17 07:21:47,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:21:47,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:21:47,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:21:47,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:21:47,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:21:47,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:21:47,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:21:47,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:21:47,541 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 07:21:47,541 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 07:21:47,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 07:21:47,541 INFO L82 PathProgramCache]: Analyzing trace with hash -357408053, now seen corresponding path program 1 times [2021-06-17 07:21:47,541 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 07:21:47,542 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822986581] [2021-06-17 07:21:47,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 07:21:47,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 07:21:47,635 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 07:21:47,635 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 07:21:47,635 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822986581] [2021-06-17 07:21:47,635 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822986581] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:21:47,635 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [567595268] [2021-06-17 07:21:47,635 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 [2021-06-17 07:21:47,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 07:21:47,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-17 07:21:47,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 07:21:47,808 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 07:21:47,809 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [567595268] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:21:47,809 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 07:21:47,809 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-06-17 07:21:47,809 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135267041] [2021-06-17 07:21:47,810 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-17 07:21:47,810 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 07:21:47,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-17 07:21:47,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-06-17 07:21:47,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:21:47,811 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 07:21:47,812 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) [2021-06-17 07:21:47,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:21:47,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:21:47,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:21:47,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:21:47,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:21:47,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:21:47,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:21:47,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:21:47,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:21:47,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 07:21:48,141 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 07:21:48,143 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 07:21:48,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 07:21:48,144 INFO L82 PathProgramCache]: Analyzing trace with hash -336173655, now seen corresponding path program 2 times [2021-06-17 07:21:48,144 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 07:21:48,144 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646344205] [2021-06-17 07:21:48,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 07:21:48,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 07:21:48,736 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 60 [2021-06-17 07:21:48,900 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 55 [2021-06-17 07:21:49,092 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:21:49,092 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 07:21:49,092 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646344205] [2021-06-17 07:21:49,092 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646344205] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:21:49,093 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1588973055] [2021-06-17 07:21:49,093 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 [2021-06-17 07:21:49,142 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 07:21:49,142 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 07:21:49,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 37 conjunts are in the unsatisfiable core [2021-06-17 07:21:49,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 07:21:49,996 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-06-17 07:21:50,592 WARN L205 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-06-17 07:21:52,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:21:52,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:21:52,910 INFO L354 Elim1Store]: treesize reduction 14, result has 68.9 percent of original size [2021-06-17 07:21:52,911 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 [2021-06-17 07:21:52,921 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 07:21:52,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:21:52,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:21:53,045 INFO L354 Elim1Store]: treesize reduction 18, result has 60.0 percent of original size [2021-06-17 07:21:53,046 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 [2021-06-17 07:21:53,054 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 07:21:54,652 WARN L205 SmtUtils]: Spent 1.60 s on a formula simplification that was a NOOP. DAG size: 344 [2021-06-17 07:21:54,652 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:21:54,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:21:54,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:21:54,739 INFO L354 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2021-06-17 07:21:54,739 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 [2021-06-17 07:21:54,750 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 07:21:54,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:21:54,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:21:54,877 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-17 07:21:54,878 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 [2021-06-17 07:21:54,885 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 07:21:56,384 WARN L205 SmtUtils]: Spent 1.50 s on a formula simplification that was a NOOP. DAG size: 333 [2021-06-17 07:21:56,385 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:21:56,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:21:56,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:21:56,483 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:21:56,483 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 [2021-06-17 07:21:56,512 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-17 07:21:56,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:21:56,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:21:56,599 INFO L354 Elim1Store]: treesize reduction 32, result has 28.9 percent of original size [2021-06-17 07:21:56,600 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 [2021-06-17 07:21:56,603 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-17 07:21:58,024 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification that was a NOOP. DAG size: 319 [2021-06-17 07:21:58,025 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:21:58,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:21:58,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:21:58,140 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-17 07:21:58,141 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 [2021-06-17 07:21:58,143 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-17 07:21:58,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:21:58,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:21:58,242 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-06-17 07:21:58,243 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 [2021-06-17 07:21:58,263 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-17 07:22:01,055 WARN L205 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 313 DAG size of output: 308 [2021-06-17 07:22:01,057 INFO L628 ElimStorePlain]: treesize reduction 67, result has 96.6 percent of original size [2021-06-17 07:22:01,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:01,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:01,180 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-17 07:22:01,181 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 [2021-06-17 07:22:01,209 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-17 07:22:01,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:01,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:01,300 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-17 07:22:01,300 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 [2021-06-17 07:22:01,305 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-17 07:22:02,620 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 299 [2021-06-17 07:22:02,620 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:22:02,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:02,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:02,709 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-06-17 07:22:02,709 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 [2021-06-17 07:22:02,713 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-17 07:22:02,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:02,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:02,754 INFO L354 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2021-06-17 07:22:02,754 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 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 [2021-06-17 07:22:02,755 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-17 07:22:03,958 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 287 [2021-06-17 07:22:03,959 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:22:03,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:03,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:04,031 INFO L354 Elim1Store]: treesize reduction 32, result has 28.9 percent of original size [2021-06-17 07:22:04,032 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 [2021-06-17 07:22:04,034 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-17 07:22:04,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:04,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:04,102 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:22:04,103 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 [2021-06-17 07:22:04,121 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-17 07:22:05,245 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 271 [2021-06-17 07:22:05,246 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:22:05,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:05,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:05,326 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-06-17 07:22:05,327 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 [2021-06-17 07:22:05,343 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-17 07:22:05,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:05,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:05,387 INFO L354 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2021-06-17 07:22:05,388 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 [2021-06-17 07:22:05,389 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-17 07:22:07,495 WARN L205 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 261 DAG size of output: 259 [2021-06-17 07:22:07,496 INFO L628 ElimStorePlain]: treesize reduction 13, result has 99.2 percent of original size [2021-06-17 07:22:07,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:07,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:07,589 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-17 07:22:07,590 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 [2021-06-17 07:22:07,598 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-17 07:22:07,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:07,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:07,652 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-17 07:22:07,653 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 [2021-06-17 07:22:07,659 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-17 07:22:08,631 WARN L205 SmtUtils]: Spent 971.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2021-06-17 07:22:08,631 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:22:08,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:08,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:08,721 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-06-17 07:22:08,722 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 [2021-06-17 07:22:08,735 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-17 07:22:08,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:08,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:08,777 INFO L354 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2021-06-17 07:22:08,778 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 [2021-06-17 07:22:08,779 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-17 07:22:09,737 WARN L205 SmtUtils]: Spent 958.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2021-06-17 07:22:09,738 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:22:09,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:09,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:09,814 INFO L354 Elim1Store]: treesize reduction 14, result has 68.9 percent of original size [2021-06-17 07:22:09,814 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 [2021-06-17 07:22:09,836 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-17 07:22:09,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:09,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:09,900 INFO L354 Elim1Store]: treesize reduction 18, result has 60.0 percent of original size [2021-06-17 07:22:09,900 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 [2021-06-17 07:22:09,907 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-17 07:22:10,762 WARN L205 SmtUtils]: Spent 854.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-06-17 07:22:10,762 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:22:10,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:10,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:10,827 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-06-17 07:22:10,827 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 [2021-06-17 07:22:10,844 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-17 07:22:10,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:10,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:10,900 INFO L354 Elim1Store]: treesize reduction 32, result has 28.9 percent of original size [2021-06-17 07:22:10,901 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 [2021-06-17 07:22:10,902 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-17 07:22:12,549 WARN L205 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2021-06-17 07:22:12,550 INFO L628 ElimStorePlain]: treesize reduction 16, result has 98.8 percent of original size [2021-06-17 07:22:12,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:12,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:12,621 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-17 07:22:12,621 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 [2021-06-17 07:22:12,634 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-17 07:22:12,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:12,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:12,681 INFO L354 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2021-06-17 07:22:12,681 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 [2021-06-17 07:22:12,692 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-17 07:22:13,469 WARN L205 SmtUtils]: Spent 777.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2021-06-17 07:22:13,470 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:22:13,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:13,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:13,538 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-17 07:22:13,539 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 [2021-06-17 07:22:13,546 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-17 07:22:13,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:13,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:13,599 INFO L354 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2021-06-17 07:22:13,599 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 [2021-06-17 07:22:13,607 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-17 07:22:15,043 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 185 DAG size of output: 181 [2021-06-17 07:22:15,043 INFO L628 ElimStorePlain]: treesize reduction 17, result has 98.7 percent of original size [2021-06-17 07:22:15,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:15,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:15,113 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-06-17 07:22:15,114 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 [2021-06-17 07:22:15,134 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-17 07:22:15,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:15,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:15,161 INFO L354 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2021-06-17 07:22:15,161 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 [2021-06-17 07:22:15,162 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-17 07:22:15,792 WARN L205 SmtUtils]: Spent 630.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2021-06-17 07:22:15,793 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:22:15,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:15,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:15,844 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-17 07:22:15,844 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 [2021-06-17 07:22:15,846 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-17 07:22:15,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:15,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:15,884 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-06-17 07:22:15,884 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 [2021-06-17 07:22:15,897 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-17 07:22:16,997 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 155 DAG size of output: 154 [2021-06-17 07:22:16,998 INFO L628 ElimStorePlain]: treesize reduction 43, result has 96.1 percent of original size [2021-06-17 07:22:17,123 INFO L550 ElimStorePlain]: Start of recursive call 1: 17 dim-0 vars, 16 dim-1 vars, End of recursive call: and 26 xjuncts. [2021-06-17 07:22:17,124 INFO L247 ElimStorePlain]: Needed 33 recursive calls to eliminate 33 variables, input treesize:2177, output treesize:1228 [2021-06-17 07:22:17,369 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 25 [2021-06-17 07:22:17,432 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:22:17,433 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1588973055] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:22:17,433 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 07:22:17,433 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16] total 25 [2021-06-17 07:22:17,433 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014622970] [2021-06-17 07:22:17,433 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-17 07:22:17,433 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 07:22:17,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-17 07:22:17,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=506, Unknown=0, NotChecked=0, Total=600 [2021-06-17 07:22:17,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:22:17,434 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 07:22:17,435 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) [2021-06-17 07:22:17,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:22:17,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:22:17,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:22:17,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:22:17,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 07:22:17,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:22:17,784 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 46 [2021-06-17 07:22:17,952 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 62 [2021-06-17 07:22:18,303 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 51 [2021-06-17 07:22:18,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:22:18,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:22:18,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:22:18,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:22:18,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 07:22:18,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:22:18,613 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-06-17 07:22:18,613 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 07:22:18,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 07:22:18,615 INFO L82 PathProgramCache]: Analyzing trace with hash -1404753657, now seen corresponding path program 3 times [2021-06-17 07:22:18,615 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 07:22:18,615 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982796768] [2021-06-17 07:22:18,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 07:22:18,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 07:22:18,708 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:22:18,708 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 07:22:18,708 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982796768] [2021-06-17 07:22:18,708 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982796768] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:22:18,708 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [905086534] [2021-06-17 07:22:18,708 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 [2021-06-17 07:22:18,744 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-17 07:22:18,744 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 07:22:18,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-17 07:22:18,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 07:22:18,915 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:22:18,916 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [905086534] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:22:18,916 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 07:22:18,916 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-06-17 07:22:18,916 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248382748] [2021-06-17 07:22:18,916 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-17 07:22:18,916 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 07:22:18,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-17 07:22:18,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-06-17 07:22:18,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:22:18,917 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 07:22:18,917 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) [2021-06-17 07:22:18,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:22:18,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:22:18,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:22:18,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:22:18,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 07:22:18,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:22:18,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:22:19,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:22:19,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:22:19,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:22:19,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:22:19,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 07:22:19,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:22:19,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 07:22:19,464 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable286,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 07:22:19,465 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 07:22:19,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 07:22:19,465 INFO L82 PathProgramCache]: Analyzing trace with hash -1909403317, now seen corresponding path program 4 times [2021-06-17 07:22:19,465 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 07:22:19,465 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142110679] [2021-06-17 07:22:19,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 07:22:19,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 07:22:19,585 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 07:22:19,585 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 07:22:19,585 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142110679] [2021-06-17 07:22:19,586 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142110679] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:22:19,586 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [355006764] [2021-06-17 07:22:19,586 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 [2021-06-17 07:22:19,664 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-17 07:22:19,664 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 07:22:19,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-17 07:22:19,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 07:22:19,815 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 07:22:19,815 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [355006764] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:22:19,815 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 07:22:19,815 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-06-17 07:22:19,815 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217912710] [2021-06-17 07:22:19,816 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-17 07:22:19,816 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 07:22:19,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-17 07:22:19,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-06-17 07:22:19,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:22:19,817 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 07:22:19,817 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) [2021-06-17 07:22:19,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:22:19,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:22:19,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:22:19,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:22:19,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 07:22:19,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:22:19,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 07:22:19,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:22:19,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:22:19,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:22:19,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:22:19,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:22:19,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 07:22:19,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:22:19,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 07:22:19,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:22:20,164 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable287 [2021-06-17 07:22:20,165 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 07:22:20,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 07:22:20,165 INFO L82 PathProgramCache]: Analyzing trace with hash 665523753, now seen corresponding path program 5 times [2021-06-17 07:22:20,165 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 07:22:20,166 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240329469] [2021-06-17 07:22:20,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 07:22:20,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 07:22:20,964 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 60 [2021-06-17 07:22:21,358 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 100 [2021-06-17 07:22:21,975 WARN L205 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 116 [2021-06-17 07:22:22,572 WARN L205 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 111 [2021-06-17 07:22:22,791 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 76 [2021-06-17 07:22:22,970 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 49 [2021-06-17 07:22:23,172 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:22:23,172 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 07:22:23,172 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240329469] [2021-06-17 07:22:23,173 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240329469] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:22:23,173 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [438231047] [2021-06-17 07:22:23,173 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 [2021-06-17 07:22:23,227 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-17 07:22:23,227 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 07:22:23,228 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 48 conjunts are in the unsatisfiable core [2021-06-17 07:22:23,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 07:22:23,711 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-06-17 07:22:25,214 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 117 [2021-06-17 07:22:26,697 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 353 [2021-06-17 07:22:28,939 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 361 [2021-06-17 07:22:30,693 WARN L205 SmtUtils]: Spent 996.00 ms on a formula simplification that was a NOOP. DAG size: 362 [2021-06-17 07:22:32,407 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 364 [2021-06-17 07:22:33,931 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 363 [2021-06-17 07:22:35,200 WARN L205 SmtUtils]: Spent 703.00 ms on a formula simplification that was a NOOP. DAG size: 350 [2021-06-17 07:22:36,972 WARN L205 SmtUtils]: Spent 680.00 ms on a formula simplification that was a NOOP. DAG size: 349 [2021-06-17 07:22:37,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:37,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:37,856 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:22:37,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:37,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:37,878 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:22:37,898 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 [2021-06-17 07:22:37,902 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 07:22:37,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:37,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:37,954 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:22:37,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:37,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:37,960 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 [2021-06-17 07:22:37,961 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 07:22:43,080 WARN L205 SmtUtils]: Spent 5.12 s on a formula simplification. DAG size of input: 790 DAG size of output: 635 [2021-06-17 07:22:43,081 INFO L628 ElimStorePlain]: treesize reduction 2064, result has 44.1 percent of original size [2021-06-17 07:22:43,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:43,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:43,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:43,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:43,113 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 [2021-06-17 07:22:43,121 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 07:22:44,383 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 623 [2021-06-17 07:22:44,383 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:22:44,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:44,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:44,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:44,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:44,417 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 [2021-06-17 07:22:44,419 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 07:22:45,566 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 611 [2021-06-17 07:22:45,566 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:22:45,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:45,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:45,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:45,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:45,610 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 [2021-06-17 07:22:45,611 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-17 07:22:46,781 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 599 [2021-06-17 07:22:46,781 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:22:46,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:46,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:46,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:46,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:46,813 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 [2021-06-17 07:22:46,815 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-17 07:22:47,881 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 587 [2021-06-17 07:22:47,881 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:22:47,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:47,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:47,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:47,911 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:22:47,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:47,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:47,915 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 [2021-06-17 07:22:47,917 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-17 07:22:48,998 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 573 [2021-06-17 07:22:48,999 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:22:49,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:49,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:49,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:49,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:49,029 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 [2021-06-17 07:22:49,031 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-17 07:22:50,000 WARN L205 SmtUtils]: Spent 968.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2021-06-17 07:22:50,001 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:22:50,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:50,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:50,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:50,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:50,040 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 [2021-06-17 07:22:50,042 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-17 07:22:50,983 WARN L205 SmtUtils]: Spent 940.00 ms on a formula simplification that was a NOOP. DAG size: 547 [2021-06-17 07:22:50,984 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:22:51,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:51,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:51,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:51,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:51,029 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 [2021-06-17 07:22:51,031 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-17 07:22:51,920 WARN L205 SmtUtils]: Spent 888.00 ms on a formula simplification that was a NOOP. DAG size: 535 [2021-06-17 07:22:51,921 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:22:51,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:51,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:51,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:51,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:51,950 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 [2021-06-17 07:22:51,952 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-17 07:22:52,800 WARN L205 SmtUtils]: Spent 848.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2021-06-17 07:22:52,801 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:22:52,801 INFO L518 ElimStorePlain]: Eliminatee v_prenex_146 vanished before elimination [2021-06-17 07:22:52,824 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:22:52,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:52,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:52,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:52,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:52,830 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 [2021-06-17 07:22:52,835 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-17 07:22:53,667 WARN L205 SmtUtils]: Spent 830.00 ms on a formula simplification that was a NOOP. DAG size: 509 [2021-06-17 07:22:53,667 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:22:53,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:53,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:53,699 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:22:53,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:53,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:53,704 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 [2021-06-17 07:22:53,707 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-17 07:22:54,508 WARN L205 SmtUtils]: Spent 800.00 ms on a formula simplification that was a NOOP. DAG size: 495 [2021-06-17 07:22:54,509 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:22:54,531 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:22:54,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:54,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:54,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:54,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:54,537 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 [2021-06-17 07:22:54,539 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-17 07:22:55,322 WARN L205 SmtUtils]: Spent 782.00 ms on a formula simplification that was a NOOP. DAG size: 482 [2021-06-17 07:22:55,323 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:22:55,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:55,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:55,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:55,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:55,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:55,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:55,352 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:22:55,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:55,354 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 [2021-06-17 07:22:55,356 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-17 07:22:56,094 WARN L205 SmtUtils]: Spent 738.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2021-06-17 07:22:56,095 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:22:56,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:56,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:56,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:56,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:56,120 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:22:56,121 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 [2021-06-17 07:22:56,123 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-17 07:22:56,865 WARN L205 SmtUtils]: Spent 741.00 ms on a formula simplification that was a NOOP. DAG size: 454 [2021-06-17 07:22:56,865 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:22:56,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:56,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:56,890 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:22:56,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:56,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:56,895 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 [2021-06-17 07:22:56,898 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-17 07:22:57,567 WARN L205 SmtUtils]: Spent 668.00 ms on a formula simplification that was a NOOP. DAG size: 440 [2021-06-17 07:22:57,567 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:22:57,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:57,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:57,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:57,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:57,609 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 [2021-06-17 07:22:57,610 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-17 07:22:58,257 WARN L205 SmtUtils]: Spent 646.00 ms on a formula simplification that was a NOOP. DAG size: 427 [2021-06-17 07:22:58,257 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:22:58,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:58,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:58,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:58,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:58,282 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 [2021-06-17 07:22:58,284 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-17 07:22:58,882 WARN L205 SmtUtils]: Spent 596.00 ms on a formula simplification that was a NOOP. DAG size: 414 [2021-06-17 07:22:58,882 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:22:58,902 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:22:58,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:58,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:58,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:58,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:58,907 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 [2021-06-17 07:22:58,909 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-17 07:22:59,488 WARN L205 SmtUtils]: Spent 578.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2021-06-17 07:22:59,489 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:22:59,506 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:22:59,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:59,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:59,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:59,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:22:59,511 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 [2021-06-17 07:22:59,512 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-17 07:23:00,048 WARN L205 SmtUtils]: Spent 535.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2021-06-17 07:23:00,049 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:23:00,066 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:23:00,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:00,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:00,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:00,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:00,070 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 [2021-06-17 07:23:00,073 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-17 07:23:00,594 WARN L205 SmtUtils]: Spent 519.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2021-06-17 07:23:00,594 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:23:00,612 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:23:00,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:00,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:00,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:00,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:00,616 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 [2021-06-17 07:23:00,619 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-17 07:23:01,121 WARN L205 SmtUtils]: Spent 501.00 ms on a formula simplification that was a NOOP. DAG size: 359 [2021-06-17 07:23:01,122 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:23:01,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:01,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:01,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:01,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:01,143 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 [2021-06-17 07:23:01,144 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-17 07:23:01,608 WARN L205 SmtUtils]: Spent 464.00 ms on a formula simplification that was a NOOP. DAG size: 346 [2021-06-17 07:23:01,609 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:23:01,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:01,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:01,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:01,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:01,628 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 [2021-06-17 07:23:01,629 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-17 07:23:02,065 WARN L205 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 333 [2021-06-17 07:23:02,066 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:23:02,081 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:23:02,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:02,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:02,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:02,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:02,085 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 [2021-06-17 07:23:02,087 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-17 07:23:02,517 WARN L205 SmtUtils]: Spent 430.00 ms on a formula simplification that was a NOOP. DAG size: 319 [2021-06-17 07:23:02,518 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:23:02,531 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:23:02,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:02,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:02,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:02,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:02,536 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 [2021-06-17 07:23:02,537 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-17 07:23:02,937 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 305 [2021-06-17 07:23:02,937 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:23:02,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:02,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:02,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:02,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:02,956 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 [2021-06-17 07:23:02,958 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-17 07:23:03,329 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 292 [2021-06-17 07:23:03,329 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:23:03,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:03,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:03,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:03,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:03,347 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 [2021-06-17 07:23:03,349 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-17 07:23:03,703 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 279 [2021-06-17 07:23:03,704 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:23:03,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:03,717 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:23:03,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:03,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:03,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:03,720 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 [2021-06-17 07:23:03,722 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-17 07:23:04,055 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2021-06-17 07:23:04,056 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:23:04,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:04,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:04,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:04,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:04,073 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 [2021-06-17 07:23:04,075 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-17 07:23:04,395 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 252 [2021-06-17 07:23:04,395 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:23:04,408 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:23:04,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:04,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:04,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:04,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:23:04,412 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 [2021-06-17 07:23:04,414 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-17 07:23:04,716 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2021-06-17 07:23:04,716 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:23:04,751 INFO L550 ElimStorePlain]: Start of recursive call 1: 64 dim-0 vars, 32 dim-1 vars, End of recursive call: and 10 xjuncts. [2021-06-17 07:23:04,752 INFO L247 ElimStorePlain]: Needed 33 recursive calls to eliminate 96 variables, input treesize:3792, output treesize:71 [2021-06-17 07:23:04,914 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:23:04,914 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [438231047] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:23:04,915 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 07:23:04,915 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2021-06-17 07:23:04,915 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659380261] [2021-06-17 07:23:04,915 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-06-17 07:23:04,915 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 07:23:04,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-06-17 07:23:04,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=898, Unknown=0, NotChecked=0, Total=992 [2021-06-17 07:23:04,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:23:04,916 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 07:23:04,916 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) [2021-06-17 07:23:04,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:23:04,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:23:04,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:23:04,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:23:04,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 07:23:04,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:23:04,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 07:23:04,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:23:04,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:23:05,360 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 33 [2021-06-17 07:23:05,789 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 41 [2021-06-17 07:23:06,306 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 63 [2021-06-17 07:23:06,517 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2021-06-17 07:23:06,884 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 58 [2021-06-17 07:23:07,193 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 83 [2021-06-17 07:23:08,163 WARN L205 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 541 DAG size of output: 125 [2021-06-17 07:23:10,370 WARN L205 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 206 DAG size of output: 121 [2021-06-17 07:23:13,901 WARN L205 SmtUtils]: Spent 3.27 s on a formula simplification. DAG size of input: 513 DAG size of output: 160 [2021-06-17 07:23:14,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:23:14,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:23:14,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:23:14,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:23:14,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 07:23:14,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:23:14,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 07:23:14,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:23:14,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 07:23:15,001 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable288 [2021-06-17 07:23:15,001 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 07:23:15,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 07:23:15,002 INFO L82 PathProgramCache]: Analyzing trace with hash 440189797, now seen corresponding path program 6 times [2021-06-17 07:23:15,002 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 07:23:15,002 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226994986] [2021-06-17 07:23:15,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 07:23:15,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 07:23:15,660 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2021-06-17 07:23:16,085 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 114 [2021-06-17 07:23:16,530 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 117 [2021-06-17 07:23:17,128 WARN L205 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 138 [2021-06-17 07:23:17,523 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 106 [2021-06-17 07:23:17,742 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 75 [2021-06-17 07:23:18,109 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:23:18,110 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 07:23:18,110 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226994986] [2021-06-17 07:23:18,110 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226994986] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:23:18,110 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [617234110] [2021-06-17 07:23:18,110 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 [2021-06-17 07:23:18,166 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-06-17 07:23:18,167 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 07:23:18,168 WARN L261 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 59 conjunts are in the unsatisfiable core [2021-06-17 07:23:18,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 07:23:18,850 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2021-06-17 07:23:19,056 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-06-17 07:23:22,418 WARN L205 SmtUtils]: Spent 2.65 s on a formula simplification that was a NOOP. DAG size: 168 [2021-06-17 07:23:26,300 WARN L205 SmtUtils]: Spent 2.97 s on a formula simplification that was a NOOP. DAG size: 669 [2021-06-17 07:23:32,186 WARN L205 SmtUtils]: Spent 3.15 s on a formula simplification that was a NOOP. DAG size: 678 [2021-06-17 07:23:36,845 WARN L205 SmtUtils]: Spent 2.76 s on a formula simplification that was a NOOP. DAG size: 679 [2021-06-17 07:23:41,764 WARN L205 SmtUtils]: Spent 3.14 s on a formula simplification that was a NOOP. DAG size: 681 [2021-06-17 07:23:46,160 WARN L205 SmtUtils]: Spent 3.37 s on a formula simplification that was a NOOP. DAG size: 682 [2021-06-17 07:23:50,726 WARN L205 SmtUtils]: Spent 3.16 s on a formula simplification that was a NOOP. DAG size: 685 [2021-06-17 07:23:54,191 WARN L205 SmtUtils]: Spent 2.27 s on a formula simplification that was a NOOP. DAG size: 684 [2021-06-17 07:23:55,887 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 1064 DAG size of output: 1064 [2021-06-17 07:23:56,098 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 1447 DAG size of output: 1447 [2021-06-17 07:23:56,230 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 1447 DAG size of output: 1447 [2021-06-17 07:24:05,093 WARN L205 SmtUtils]: Spent 7.26 s on a formula simplification. DAG size of input: 1447 DAG size of output: 1075 [2021-06-17 07:24:09,555 WARN L205 SmtUtils]: Spent 2.69 s on a formula simplification that was a NOOP. DAG size: 1077 [2021-06-17 07:24:15,663 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]} [2021-06-17 07:24:15,885 INFO L244 Elim1Store]: Index analysis took 129 ms [2021-06-17 07:24:16,433 WARN L205 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 46 [2021-06-17 07:24:16,433 INFO L354 Elim1Store]: treesize reduction 24, result has 73.0 percent of original size [2021-06-17 07:24:16,433 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 [2021-06-17 07:24:16,468 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 07:24:17,234 WARN L205 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 34 [2021-06-17 07:24:17,235 INFO L354 Elim1Store]: treesize reduction 40, result has 55.1 percent of original size [2021-06-17 07:24:17,235 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 [2021-06-17 07:24:17,238 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 07:24:46,162 WARN L205 SmtUtils]: Spent 28.92 s on a formula simplification that was a NOOP. DAG size: 1817 [2021-06-17 07:24:46,163 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:24:46,479 INFO L244 Elim1Store]: Index analysis took 210 ms [2021-06-17 07:24:46,959 WARN L205 SmtUtils]: Spent 476.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-06-17 07:24:46,960 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:24:46,960 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 [2021-06-17 07:24:47,196 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 07:24:47,973 WARN L205 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 46 [2021-06-17 07:24:47,973 INFO L354 Elim1Store]: treesize reduction 24, result has 73.0 percent of original size [2021-06-17 07:24:47,973 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 [2021-06-17 07:24:47,996 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 07:25:47,946 WARN L205 SmtUtils]: Spent 59.95 s on a formula simplification. DAG size of input: 1822 DAG size of output: 1801 [2021-06-17 07:25:47,950 INFO L628 ElimStorePlain]: treesize reduction 95, result has 99.0 percent of original size [2021-06-17 07:25:48,298 INFO L244 Elim1Store]: Index analysis took 259 ms [2021-06-17 07:25:49,090 WARN L205 SmtUtils]: Spent 788.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 34 [2021-06-17 07:25:49,091 INFO L354 Elim1Store]: treesize reduction 40, result has 55.1 percent of original size [2021-06-17 07:25:49,091 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 [2021-06-17 07:25:49,093 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-17 07:25:49,342 INFO L244 Elim1Store]: Index analysis took 157 ms [2021-06-17 07:25:49,928 WARN L205 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 46 [2021-06-17 07:25:49,928 INFO L354 Elim1Store]: treesize reduction 24, result has 73.0 percent of original size [2021-06-17 07:25:49,928 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 [2021-06-17 07:25:49,939 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-17 07:26:50,208 WARN L205 SmtUtils]: Spent 1.00 m on a formula simplification. DAG size of input: 1800 DAG size of output: 1797 [2021-06-17 07:26:50,211 INFO L628 ElimStorePlain]: treesize reduction 14, result has 99.9 percent of original size [2021-06-17 07:26:50,511 INFO L244 Elim1Store]: Index analysis took 208 ms [2021-06-17 07:26:50,934 WARN L205 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-06-17 07:26:50,935 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:26:50,935 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 [2021-06-17 07:26:51,363 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-17 07:26:51,565 INFO L244 Elim1Store]: Index analysis took 109 ms [2021-06-17 07:26:52,257 WARN L205 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 46 [2021-06-17 07:26:52,258 INFO L354 Elim1Store]: treesize reduction 24, result has 73.0 percent of original size [2021-06-17 07:26:52,258 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 [2021-06-17 07:26:52,307 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-17 07:27:52,055 WARN L205 SmtUtils]: Spent 59.75 s on a formula simplification. DAG size of input: 1839 DAG size of output: 1780 [2021-06-17 07:27:52,059 INFO L628 ElimStorePlain]: treesize reduction 411, result has 95.9 percent of original size [2021-06-17 07:27:52,353 INFO L244 Elim1Store]: Index analysis took 205 ms [2021-06-17 07:27:52,891 WARN L205 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 46 [2021-06-17 07:27:52,891 INFO L354 Elim1Store]: treesize reduction 24, result has 73.0 percent of original size [2021-06-17 07:27:52,892 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 [2021-06-17 07:27:52,925 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-17 07:27:53,142 INFO L244 Elim1Store]: Index analysis took 123 ms [2021-06-17 07:27:53,671 WARN L205 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 34 [2021-06-17 07:27:53,671 INFO L354 Elim1Store]: treesize reduction 40, result has 55.1 percent of original size [2021-06-17 07:27:53,671 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 [2021-06-17 07:27:53,674 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-17 07:28:53,633 WARN L205 SmtUtils]: Spent 59.96 s on a formula simplification. DAG size of input: 1783 DAG size of output: 1777 [2021-06-17 07:28:53,636 INFO L628 ElimStorePlain]: treesize reduction 40, result has 99.6 percent of original size [2021-06-17 07:28:53,947 INFO L244 Elim1Store]: Index analysis took 221 ms [2021-06-17 07:28:54,363 WARN L205 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 46 [2021-06-17 07:28:54,364 INFO L354 Elim1Store]: treesize reduction 24, result has 73.0 percent of original size [2021-06-17 07:28:54,364 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 [2021-06-17 07:28:54,384 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-17 07:28:55,115 WARN L205 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 34 [2021-06-17 07:28:55,115 INFO L354 Elim1Store]: treesize reduction 40, result has 55.1 percent of original size [2021-06-17 07:28:55,115 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 [2021-06-17 07:28:55,118 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-17 07:29:24,556 WARN L205 SmtUtils]: Spent 29.44 s on a formula simplification that was a NOOP. DAG size: 1773 [2021-06-17 07:29:24,557 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:29:24,883 INFO L244 Elim1Store]: Index analysis took 232 ms [2021-06-17 07:29:25,360 WARN L205 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 34 [2021-06-17 07:29:25,360 INFO L354 Elim1Store]: treesize reduction 40, result has 55.1 percent of original size [2021-06-17 07:29:25,361 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 [2021-06-17 07:29:25,363 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-17 07:29:25,568 INFO L244 Elim1Store]: Index analysis took 111 ms [2021-06-17 07:29:25,968 WARN L205 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 46 [2021-06-17 07:29:25,968 INFO L354 Elim1Store]: treesize reduction 24, result has 73.0 percent of original size [2021-06-17 07:29:25,968 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 [2021-06-17 07:29:26,009 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-17 07:30:24,252 WARN L205 SmtUtils]: Spent 58.24 s on a formula simplification. DAG size of input: 1772 DAG size of output: 1768 [2021-06-17 07:30:24,256 INFO L628 ElimStorePlain]: treesize reduction 34, result has 99.6 percent of original size [2021-06-17 07:30:24,516 INFO L244 Elim1Store]: Index analysis took 168 ms [2021-06-17 07:30:25,065 WARN L205 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 46 [2021-06-17 07:30:25,066 INFO L354 Elim1Store]: treesize reduction 24, result has 73.0 percent of original size [2021-06-17 07:30:25,066 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 [2021-06-17 07:30:25,102 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-17 07:30:25,764 WARN L205 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 34 [2021-06-17 07:30:25,765 INFO L354 Elim1Store]: treesize reduction 40, result has 55.1 percent of original size [2021-06-17 07:30:25,765 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 [2021-06-17 07:30:25,767 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-17 07:31:24,992 WARN L205 SmtUtils]: Spent 59.22 s on a formula simplification. DAG size of input: 1766 DAG size of output: 1762 [2021-06-17 07:31:25,007 INFO L628 ElimStorePlain]: treesize reduction 30, result has 99.7 percent of original size [2021-06-17 07:31:25,272 INFO L244 Elim1Store]: Index analysis took 173 ms [2021-06-17 07:31:25,721 WARN L205 SmtUtils]: Spent 439.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-06-17 07:31:25,721 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:31:25,721 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 [2021-06-17 07:31:25,980 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-17 07:31:26,940 WARN L205 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 46 [2021-06-17 07:31:26,941 INFO L354 Elim1Store]: treesize reduction 24, result has 73.0 percent of original size [2021-06-17 07:31:26,941 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 [2021-06-17 07:31:26,953 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-17 07:32:24,398 WARN L205 SmtUtils]: Spent 57.44 s on a formula simplification. DAG size of input: 1769 DAG size of output: 1745 [2021-06-17 07:32:24,417 INFO L628 ElimStorePlain]: treesize reduction 138, result has 98.6 percent of original size [2021-06-17 07:32:24,700 INFO L244 Elim1Store]: Index analysis took 188 ms [2021-06-17 07:32:25,388 WARN L205 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 46 [2021-06-17 07:32:25,389 INFO L354 Elim1Store]: treesize reduction 24, result has 73.0 percent of original size [2021-06-17 07:32:25,389 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 [2021-06-17 07:32:25,410 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-17 07:32:25,871 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-06-17 07:32:25,872 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:32:25,872 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 116 [2021-06-17 07:32:26,295 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-17 07:33:24,963 WARN L205 SmtUtils]: Spent 58.67 s on a formula simplification. DAG size of input: 1755 DAG size of output: 1728 [2021-06-17 07:33:24,979 INFO L628 ElimStorePlain]: treesize reduction 152, result has 98.4 percent of original size [2021-06-17 07:33:25,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:33:25,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:33:25,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:33:25,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:33:25,242 INFO L244 Elim1Store]: Index analysis took 176 ms [2021-06-17 07:33:25,681 WARN L205 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 34 [2021-06-17 07:33:25,681 INFO L354 Elim1Store]: treesize reduction 40, result has 55.1 percent of original size [2021-06-17 07:33:25,681 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 [2021-06-17 07:33:25,684 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-17 07:33:25,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:33:25,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:33:25,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:33:25,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:33:25,889 INFO L244 Elim1Store]: Index analysis took 115 ms [2021-06-17 07:33:26,357 WARN L205 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 46 [2021-06-17 07:33:26,358 INFO L354 Elim1Store]: treesize reduction 24, result has 73.0 percent of original size [2021-06-17 07:33:26,358 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 [2021-06-17 07:33:26,403 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-17 07:34:09,001 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 [2021-06-17 07:34:09,167 WARN L348 FreeRefinementEngine]: Global settings require throwing the following exception [2021-06-17 07:34:09,368 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable444 [2021-06-17 07:34:09,369 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:371) 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:650) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:184) 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:561) 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:363) 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$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:238) ... 56 more [2021-06-17 07:34:09,376 INFO L168 Benchmark]: Toolchain (without parser) took 744734.69 ms. Allocated memory was 185.6 MB in the beginning and 488.6 MB in the end (delta: 303.0 MB). Free memory was 166.2 MB in the beginning and 276.3 MB in the end (delta: -110.1 MB). Peak memory consumption was 306.9 MB. Max. memory is 8.0 GB. [2021-06-17 07:34:09,376 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 185.6 MB. Free memory is still 167.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-17 07:34:09,376 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.16 ms. Allocated memory is still 185.6 MB. Free memory was 166.2 MB in the beginning and 164.7 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-06-17 07:34:09,376 INFO L168 Benchmark]: Boogie Preprocessor took 19.21 ms. Allocated memory is still 185.6 MB. Free memory was 164.7 MB in the beginning and 163.7 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-17 07:34:09,377 INFO L168 Benchmark]: RCFGBuilder took 231.86 ms. Allocated memory is still 185.6 MB. Free memory was 163.6 MB in the beginning and 150.8 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-06-17 07:34:09,377 INFO L168 Benchmark]: TraceAbstraction took 744451.51 ms. Allocated memory was 185.6 MB in the beginning and 488.6 MB in the end (delta: 303.0 MB). Free memory was 150.3 MB in the beginning and 276.3 MB in the end (delta: -126.0 MB). Peak memory consumption was 291.2 MB. Max. memory is 8.0 GB. [2021-06-17 07:34:09,377 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 185.6 MB. Free memory is still 167.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 27.16 ms. Allocated memory is still 185.6 MB. Free memory was 166.2 MB in the beginning and 164.7 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Preprocessor took 19.21 ms. Allocated memory is still 185.6 MB. Free memory was 164.7 MB in the beginning and 163.7 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 231.86 ms. Allocated memory is still 185.6 MB. Free memory was 163.6 MB in the beginning and 150.8 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 744451.51 ms. Allocated memory was 185.6 MB in the beginning and 488.6 MB in the end (delta: 303.0 MB). Free memory was 150.3 MB in the beginning and 276.3 MB in the end (delta: -126.0 MB). Peak memory consumption was 291.2 MB. Max. memory is 8.0 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...