/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-None-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-array.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-09 21:09:41,703 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-09 21:09:41,704 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-09 21:09:41,723 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-09 21:09:41,724 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-09 21:09:41,724 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-09 21:09:41,725 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-09 21:09:41,731 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-09 21:09:41,732 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-09 21:09:41,733 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-09 21:09:41,734 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-09 21:09:41,734 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-09 21:09:41,735 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-09 21:09:41,735 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-09 21:09:41,736 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-09 21:09:41,737 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-09 21:09:41,737 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-09 21:09:41,738 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-09 21:09:41,739 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-09 21:09:41,744 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-09 21:09:41,747 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-09 21:09:41,750 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-09 21:09:41,752 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-09 21:09:41,754 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-09 21:09:41,762 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-09 21:09:41,762 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-09 21:09:41,762 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-09 21:09:41,763 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-09 21:09:41,763 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-09 21:09:41,764 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-09 21:09:41,764 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-09 21:09:41,764 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-09 21:09:41,765 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-09 21:09:41,765 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-09 21:09:41,766 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-09 21:09:41,766 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-09 21:09:41,767 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-09 21:09:41,767 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-09 21:09:41,767 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-09 21:09:41,768 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-09 21:09:41,768 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-09 21:09:41,773 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-None-NoLbe.epf [2021-07-09 21:09:41,798 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-09 21:09:41,799 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-09 21:09:41,799 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-09 21:09:41,799 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-09 21:09:41,801 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-09 21:09:41,801 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-09 21:09:41,801 INFO L138 SettingsManager]: * Use SBE=true [2021-07-09 21:09:41,802 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-09 21:09:41,802 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-09 21:09:41,802 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-09 21:09:41,802 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-09 21:09:41,802 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-09 21:09:41,803 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-09 21:09:41,803 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-09 21:09:41,803 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-09 21:09:41,803 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-09 21:09:41,803 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-09 21:09:41,803 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-09 21:09:41,803 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-09 21:09:41,803 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-09 21:09:41,804 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-09 21:09:41,804 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-09 21:09:41,804 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-09 21:09:41,804 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-09 21:09:41,804 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-09 21:09:41,804 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-09 21:09:41,804 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-09 21:09:41,804 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-09 21:09:41,805 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-09 21:09:41,805 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-09 21:09:41,805 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-09 21:09:41,805 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-09 21:09:41,805 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-09 21:09:42,055 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-09 21:09:42,067 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-09 21:09:42,069 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-09 21:09:42,069 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-09 21:09:42,070 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-09 21:09:42,070 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-array.wvr.bpl [2021-07-09 21:09:42,071 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-array.wvr.bpl' [2021-07-09 21:09:42,087 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-09 21:09:42,088 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-09 21:09:42,089 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-09 21:09:42,089 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-09 21:09:42,089 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-09 21:09:42,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 09:09:42" (1/1) ... [2021-07-09 21:09:42,106 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 09:09:42" (1/1) ... [2021-07-09 21:09:42,110 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-09 21:09:42,112 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-09 21:09:42,112 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-09 21:09:42,113 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-09 21:09:42,117 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 09:09:42" (1/1) ... [2021-07-09 21:09:42,118 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 09:09:42" (1/1) ... [2021-07-09 21:09:42,119 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 09:09:42" (1/1) ... [2021-07-09 21:09:42,119 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 09:09:42" (1/1) ... [2021-07-09 21:09:42,122 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 09:09:42" (1/1) ... [2021-07-09 21:09:42,125 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 09:09:42" (1/1) ... [2021-07-09 21:09:42,125 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 09:09:42" (1/1) ... [2021-07-09 21:09:42,129 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-09 21:09:42,130 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-09 21:09:42,130 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-09 21:09:42,131 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-09 21:09:42,132 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 09:09:42" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-09 21:09:42,199 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-09 21:09:42,199 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-09 21:09:42,200 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-09 21:09:42,200 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-09 21:09:42,200 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-09 21:09:42,200 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-09 21:09:42,200 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-09 21:09:42,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-09 21:09:42,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-09 21:09:42,200 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-09 21:09:42,201 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-09 21:09:42,201 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-09 21:09:42,202 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-09 21:09:42,340 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-09 21:09:42,341 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-09 21:09:42,342 INFO L202 PluginConnector]: Adding new model max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.07 09:09:42 BoogieIcfgContainer [2021-07-09 21:09:42,342 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-09 21:09:42,343 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-09 21:09:42,343 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-09 21:09:42,345 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-09 21:09:42,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 09:09:42" (1/2) ... [2021-07-09 21:09:42,346 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ea24e63 and model type max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.07 09:09:42, skipping insertion in model container [2021-07-09 21:09:42,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.07 09:09:42" (2/2) ... [2021-07-09 21:09:42,347 INFO L111 eAbstractionObserver]: Analyzing ICFG max-array.wvr.bpl [2021-07-09 21:09:42,350 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-09 21:09:42,351 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-09 21:09:42,351 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-09 21:09:42,351 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-09 21:09:42,373 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-07-09 21:09:42,388 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-09 21:09:42,458 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-09 21:09:42,458 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-09 21:09:42,458 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-09 21:09:42,459 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-09 21:09:42,459 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-09 21:09:42,459 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-09 21:09:42,459 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-09 21:09:42,459 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-09 21:09:42,465 INFO L110 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 36 places, 29 transitions, 82 flow [2021-07-09 21:09:42,479 INFO L132 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 112 states, 111 states have (on average 2.810810810810811) internal successors, (312), 111 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 21:09:42,489 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 21:09:42,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 21:09:42,493 INFO L82 PathProgramCache]: Analyzing trace with hash -14689673, now seen corresponding path program 1 times [2021-07-09 21:09:42,498 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 21:09:42,498 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36690099] [2021-07-09 21:09:42,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 21:09:42,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 21:09:42,659 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 21:09:42,660 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 21:09:42,660 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36690099] [2021-07-09 21:09:42,660 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36690099] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 21:09:42,661 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1305085975] [2021-07-09 21:09:42,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 21:09:42,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 21:09:42,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-09 21:09:42,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 21:09:42,844 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 21:09:42,845 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1305085975] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 21:09:42,845 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 21:09:42,845 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-07-09 21:09:42,846 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044417313] [2021-07-09 21:09:42,850 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-09 21:09:42,850 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 21:09:42,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-09 21:09:42,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-07-09 21:09:42,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 21:09:42,862 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 21:09:42,862 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 21:09:42,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 21:09:42,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 21:09:43,189 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-07-09 21:09:43,189 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 21:09:43,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 21:09:43,190 INFO L82 PathProgramCache]: Analyzing trace with hash -2096237483, now seen corresponding path program 2 times [2021-07-09 21:09:43,190 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 21:09:43,190 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593271607] [2021-07-09 21:09:43,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 21:09:43,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 21:09:43,917 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 21:09:43,918 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 21:09:43,918 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593271607] [2021-07-09 21:09:43,918 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593271607] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 21:09:43,919 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [108227085] [2021-07-09 21:09:43,919 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 21:09:43,954 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-09 21:09:43,954 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 21:09:43,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 24 conjunts are in the unsatisfiable core [2021-07-09 21:09:43,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 21:09:45,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:09:45,289 INFO L354 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2021-07-09 21:09:45,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 21 [2021-07-09 21:09:45,292 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 21:09:45,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:09:45,312 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:09:45,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 26 [2021-07-09 21:09:45,322 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 21:09:45,482 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-07-09 21:09:45,482 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:09:45,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:09:45,522 INFO L354 Elim1Store]: treesize reduction 4, result has 76.5 percent of original size [2021-07-09 21:09:45,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 28 [2021-07-09 21:09:45,531 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 21:09:45,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:09:45,558 INFO L354 Elim1Store]: treesize reduction 4, result has 76.5 percent of original size [2021-07-09 21:09:45,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 28 [2021-07-09 21:09:45,564 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 21:09:45,735 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-07-09 21:09:45,735 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:09:45,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:09:45,756 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:09:45,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 32 [2021-07-09 21:09:45,769 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-09 21:09:45,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:09:45,786 INFO L354 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2021-07-09 21:09:45,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 24 [2021-07-09 21:09:45,788 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-09 21:09:45,902 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-07-09 21:09:45,902 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:09:45,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:09:45,929 INFO L354 Elim1Store]: treesize reduction 4, result has 76.5 percent of original size [2021-07-09 21:09:45,929 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 25 [2021-07-09 21:09:45,941 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-09 21:09:45,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:09:45,960 INFO L354 Elim1Store]: treesize reduction 4, result has 76.5 percent of original size [2021-07-09 21:09:45,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 28 [2021-07-09 21:09:45,965 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-09 21:09:46,087 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-07-09 21:09:46,087 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:09:46,134 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 4 dim-1 vars, End of recursive call: and 8 xjuncts. [2021-07-09 21:09:46,134 INFO L247 ElimStorePlain]: Needed 9 recursive calls to eliminate 9 variables, input treesize:329, output treesize:217 [2021-07-09 21:09:46,289 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 29 [2021-07-09 21:09:46,331 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 21:09:46,332 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [108227085] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 21:09:46,332 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 21:09:46,332 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-07-09 21:09:46,332 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627836423] [2021-07-09 21:09:46,333 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-09 21:09:46,334 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 21:09:46,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-09 21:09:46,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=323, Unknown=0, NotChecked=0, Total=380 [2021-07-09 21:09:46,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 21:09:46,339 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 21:09:46,339 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 2.5) internal successors, (50), 20 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 21:09:46,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 21:09:46,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 21:09:47,306 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 55 [2021-07-09 21:09:47,486 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 45 [2021-07-09 21:09:47,789 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 57 [2021-07-09 21:09:47,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 21:09:47,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-09 21:09:48,116 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 21:09:48,117 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 21:09:48,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 21:09:48,117 INFO L82 PathProgramCache]: Analyzing trace with hash 223283601, now seen corresponding path program 3 times [2021-07-09 21:09:48,117 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 21:09:48,117 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123511540] [2021-07-09 21:09:48,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 21:09:48,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 21:09:48,190 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 21:09:48,190 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 21:09:48,190 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123511540] [2021-07-09 21:09:48,190 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123511540] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 21:09:48,190 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [803097394] [2021-07-09 21:09:48,191 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 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 21:09:48,225 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-09 21:09:48,225 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 21:09:48,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 10 conjunts are in the unsatisfiable core [2021-07-09 21:09:48,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 21:09:48,343 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 21:09:48,343 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [803097394] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 21:09:48,343 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 21:09:48,343 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 18 [2021-07-09 21:09:48,343 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918867858] [2021-07-09 21:09:48,343 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-09 21:09:48,344 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 21:09:48,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-09 21:09:48,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2021-07-09 21:09:48,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 21:09:48,344 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 21:09:48,344 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 2.6666666666666665) internal successors, (48), 18 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) [2021-07-09 21:09:48,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 21:09:48,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-09 21:09:48,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 21:09:48,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 21:09:48,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-09 21:09:48,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 21:09:48,773 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 21:09:48,773 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 21:09:48,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 21:09:48,773 INFO L82 PathProgramCache]: Analyzing trace with hash -2081674347, now seen corresponding path program 4 times [2021-07-09 21:09:48,774 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 21:09:48,774 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332539526] [2021-07-09 21:09:48,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 21:09:48,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 21:09:48,877 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 25 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 21:09:48,877 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 21:09:48,877 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332539526] [2021-07-09 21:09:48,877 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332539526] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 21:09:48,877 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1348702564] [2021-07-09 21:09:48,877 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 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 21:09:48,907 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-09 21:09:48,907 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 21:09:48,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-09 21:09:48,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 21:09:49,055 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 23 proven. 16 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-09 21:09:49,056 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1348702564] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 21:09:49,056 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 21:09:49,056 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 18 [2021-07-09 21:09:49,056 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114223291] [2021-07-09 21:09:49,056 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-09 21:09:49,056 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 21:09:49,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-09 21:09:49,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2021-07-09 21:09:49,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 21:09:49,057 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 21:09:49,057 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 3.0) internal successors, (54), 18 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 21:09:49,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 21:09:49,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-09 21:09:49,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-09 21:09:49,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 21:09:49,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 21:09:49,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-09 21:09:49,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 21:09:49,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 21:09:49,484 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable65 [2021-07-09 21:09:49,485 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 21:09:49,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 21:09:49,485 INFO L82 PathProgramCache]: Analyzing trace with hash -2089053423, now seen corresponding path program 5 times [2021-07-09 21:09:49,486 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 21:09:49,486 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823031603] [2021-07-09 21:09:49,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 21:09:49,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 21:09:50,962 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 66 [2021-07-09 21:09:51,455 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 93 [2021-07-09 21:09:51,634 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 179 [2021-07-09 21:09:52,319 WARN L205 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 126 [2021-07-09 21:09:52,451 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 186 [2021-07-09 21:09:53,417 WARN L205 SmtUtils]: Spent 915.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 132 [2021-07-09 21:09:53,553 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 194 [2021-07-09 21:09:54,335 WARN L205 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 154 [2021-07-09 21:09:55,145 WARN L205 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 151 [2021-07-09 21:09:55,821 WARN L205 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 106 [2021-07-09 21:09:56,226 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 83 [2021-07-09 21:09:56,406 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 60 [2021-07-09 21:09:56,602 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 4 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 21:09:56,602 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 21:09:56,602 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823031603] [2021-07-09 21:09:56,603 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823031603] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 21:09:56,603 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [296548454] [2021-07-09 21:09:56,603 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 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 21:09:56,651 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-07-09 21:09:56,651 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 21:09:56,652 WARN L261 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 57 conjunts are in the unsatisfiable core [2021-07-09 21:09:56,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 21:09:57,305 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-07-09 21:10:01,072 WARN L205 SmtUtils]: Spent 3.03 s on a formula simplification that was a NOOP. DAG size: 169 [2021-07-09 21:10:05,492 WARN L205 SmtUtils]: Spent 3.52 s on a formula simplification that was a NOOP. DAG size: 671 [2021-07-09 21:10:09,913 WARN L205 SmtUtils]: Spent 3.00 s on a formula simplification that was a NOOP. DAG size: 680 [2021-07-09 21:10:14,074 WARN L205 SmtUtils]: Spent 2.66 s on a formula simplification that was a NOOP. DAG size: 681 [2021-07-09 21:10:18,634 WARN L205 SmtUtils]: Spent 3.04 s on a formula simplification that was a NOOP. DAG size: 683 [2021-07-09 21:10:22,944 WARN L205 SmtUtils]: Spent 2.72 s on a formula simplification that was a NOOP. DAG size: 684 [2021-07-09 21:10:26,804 WARN L205 SmtUtils]: Spent 2.72 s on a formula simplification that was a NOOP. DAG size: 683 [2021-07-09 21:10:30,696 WARN L205 SmtUtils]: Spent 2.65 s on a formula simplification that was a NOOP. DAG size: 682 [2021-07-09 21:10:33,890 WARN L205 SmtUtils]: Spent 1.82 s on a formula simplification that was a NOOP. DAG size: 667 [2021-07-09 21:10:36,081 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 21:10:36,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:10:36,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:10:36,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:10:36,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:10:36,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:10:36,091 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 21:10:36,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-07-09 21:10:36,134 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 21:10:36,201 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 21:10:36,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:10:36,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:10:36,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:10:36,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:10:36,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:10:36,211 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 25 [2021-07-09 21:10:36,216 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 21:10:55,935 WARN L205 SmtUtils]: Spent 19.72 s on a formula simplification. DAG size of input: 1717 DAG size of output: 1416 [2021-07-09 21:10:55,938 INFO L628 ElimStorePlain]: treesize reduction 4651, result has 44.7 percent of original size [2021-07-09 21:10:55,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:10:55,991 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 21:10:55,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:10:55,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:10:55,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:10:55,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:10:56,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 25 [2021-07-09 21:10:56,002 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 21:11:01,489 WARN L205 SmtUtils]: Spent 5.49 s on a formula simplification that was a NOOP. DAG size: 1401 [2021-07-09 21:11:01,490 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:11:01,549 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 21:11:01,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:11:01,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:11:01,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:11:01,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:11:01,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:11:01,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-09 21:11:01,561 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 21:11:07,040 WARN L205 SmtUtils]: Spent 5.48 s on a formula simplification that was a NOOP. DAG size: 1386 [2021-07-09 21:11:07,041 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:11:07,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:11:07,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:11:07,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:11:07,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:11:07,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:11:07,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 25 [2021-07-09 21:11:07,113 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-09 21:11:12,574 WARN L205 SmtUtils]: Spent 5.46 s on a formula simplification that was a NOOP. DAG size: 1372 [2021-07-09 21:11:12,575 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:11:12,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:11:12,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:11:12,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:11:12,632 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 21:11:12,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:11:12,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:11:12,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-07-09 21:11:12,640 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-09 21:11:17,807 WARN L205 SmtUtils]: Spent 5.17 s on a formula simplification that was a NOOP. DAG size: 1357 [2021-07-09 21:11:17,808 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:11:17,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:11:17,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:11:17,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:11:17,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:11:17,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:11:17,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-09 21:11:17,872 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-09 21:11:23,152 WARN L205 SmtUtils]: Spent 5.28 s on a formula simplification that was a NOOP. DAG size: 1342 [2021-07-09 21:11:23,153 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:11:23,208 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 21:11:23,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:11:23,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:11:23,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:11:23,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:11:23,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:11:23,223 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 25 [2021-07-09 21:11:23,227 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-09 21:11:28,740 WARN L205 SmtUtils]: Spent 5.51 s on a formula simplification that was a NOOP. DAG size: 1326 [2021-07-09 21:11:28,741 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:11:28,796 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 21:11:28,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:11:28,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:11:28,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:11:28,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:11:28,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:11:28,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-07-09 21:11:28,810 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-09 21:11:34,986 WARN L205 SmtUtils]: Spent 6.18 s on a formula simplification that was a NOOP. DAG size: 1310 [2021-07-09 21:11:34,987 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:11:35,039 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 21:11:35,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:11:35,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:11:35,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:11:35,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:11:35,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:11:35,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-09 21:11:35,053 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-09 21:11:40,583 WARN L205 SmtUtils]: Spent 5.53 s on a formula simplification that was a NOOP. DAG size: 1295 [2021-07-09 21:11:40,584 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:11:40,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:11:40,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:11:40,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:11:40,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:11:40,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:11:40,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-09 21:11:40,657 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-09 21:11:45,468 WARN L205 SmtUtils]: Spent 4.81 s on a formula simplification that was a NOOP. DAG size: 1280 [2021-07-09 21:11:45,468 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:11:45,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:11:45,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:11:45,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:11:45,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:11:45,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:11:45,524 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 25 [2021-07-09 21:11:45,526 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-09 21:11:50,195 WARN L205 SmtUtils]: Spent 4.67 s on a formula simplification that was a NOOP. DAG size: 1265 [2021-07-09 21:11:50,196 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:11:50,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:11:50,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:11:50,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:11:50,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:11:50,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:11:50,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 25 [2021-07-09 21:11:50,257 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-09 21:11:55,405 WARN L205 SmtUtils]: Spent 5.15 s on a formula simplification that was a NOOP. DAG size: 1250 [2021-07-09 21:11:55,405 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:11:55,457 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 21:11:55,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:11:55,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:11:55,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:11:55,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:11:55,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:11:55,468 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-09 21:11:55,470 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-09 21:12:01,104 WARN L205 SmtUtils]: Spent 5.63 s on a formula simplification that was a NOOP. DAG size: 1234 [2021-07-09 21:12:01,104 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:12:01,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:01,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:01,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:01,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:01,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:01,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 25 [2021-07-09 21:12:01,176 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-09 21:12:06,068 WARN L205 SmtUtils]: Spent 4.89 s on a formula simplification that was a NOOP. DAG size: 1220 [2021-07-09 21:12:06,069 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:12:06,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:06,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:06,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:06,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:06,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:06,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 25 [2021-07-09 21:12:06,123 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-09 21:12:10,399 WARN L205 SmtUtils]: Spent 4.27 s on a formula simplification that was a NOOP. DAG size: 1205 [2021-07-09 21:12:10,399 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:12:10,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:10,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:10,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:10,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:10,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:10,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-07-09 21:12:10,457 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-09 21:12:14,444 WARN L205 SmtUtils]: Spent 3.99 s on a formula simplification that was a NOOP. DAG size: 1190 [2021-07-09 21:12:14,445 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:12:14,487 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 21:12:14,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:14,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:14,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:14,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:14,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:14,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-09 21:12:14,498 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-09 21:12:18,475 WARN L205 SmtUtils]: Spent 3.98 s on a formula simplification that was a NOOP. DAG size: 1174 [2021-07-09 21:12:18,475 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:12:18,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:18,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:18,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:18,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:18,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:18,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 25 [2021-07-09 21:12:18,529 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-09 21:12:22,356 WARN L205 SmtUtils]: Spent 3.83 s on a formula simplification that was a NOOP. DAG size: 1159 [2021-07-09 21:12:22,357 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:12:22,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:22,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:22,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:22,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:22,406 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 21:12:22,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:22,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-09 21:12:22,413 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-09 21:12:26,147 WARN L205 SmtUtils]: Spent 3.73 s on a formula simplification that was a NOOP. DAG size: 1143 [2021-07-09 21:12:26,148 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:12:26,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:26,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:26,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:26,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:26,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:26,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 25 [2021-07-09 21:12:26,196 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-09 21:12:29,734 WARN L205 SmtUtils]: Spent 3.54 s on a formula simplification that was a NOOP. DAG size: 1128 [2021-07-09 21:12:29,734 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:12:29,734 INFO L518 ElimStorePlain]: Eliminatee v_prenex_155 vanished before elimination [2021-07-09 21:12:29,778 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 21:12:29,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:29,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:29,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:29,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:29,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:29,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-09 21:12:29,788 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-09 21:12:33,420 WARN L205 SmtUtils]: Spent 3.63 s on a formula simplification that was a NOOP. DAG size: 1112 [2021-07-09 21:12:33,421 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:12:33,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:33,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:33,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:33,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:33,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:33,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 25 [2021-07-09 21:12:33,473 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-07-09 21:12:36,869 WARN L205 SmtUtils]: Spent 3.40 s on a formula simplification that was a NOOP. DAG size: 1098 [2021-07-09 21:12:36,870 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:12:36,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:36,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:36,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:36,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:36,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:36,917 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-07-09 21:12:36,919 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-07-09 21:12:39,899 WARN L205 SmtUtils]: Spent 2.98 s on a formula simplification that was a NOOP. DAG size: 1084 [2021-07-09 21:12:39,899 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:12:39,941 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 21:12:39,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:39,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:39,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:39,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:39,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:39,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 25 [2021-07-09 21:12:39,953 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-07-09 21:12:42,898 WARN L205 SmtUtils]: Spent 2.94 s on a formula simplification that was a NOOP. DAG size: 1068 [2021-07-09 21:12:42,899 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:12:42,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:42,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:42,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:42,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:42,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:42,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-09 21:12:42,946 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-07-09 21:12:45,797 WARN L205 SmtUtils]: Spent 2.85 s on a formula simplification that was a NOOP. DAG size: 1053 [2021-07-09 21:12:45,798 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:12:45,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:45,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:45,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:45,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:45,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:45,846 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 25 [2021-07-09 21:12:45,848 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-07-09 21:12:48,702 WARN L205 SmtUtils]: Spent 2.85 s on a formula simplification that was a NOOP. DAG size: 1038 [2021-07-09 21:12:48,702 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:12:48,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:48,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:48,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:48,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:48,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:48,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-09 21:12:48,753 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-07-09 21:12:51,500 WARN L205 SmtUtils]: Spent 2.75 s on a formula simplification that was a NOOP. DAG size: 1023 [2021-07-09 21:12:51,501 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:12:51,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:51,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:51,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:51,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:51,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:51,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-09 21:12:51,549 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-07-09 21:12:54,208 WARN L205 SmtUtils]: Spent 2.66 s on a formula simplification that was a NOOP. DAG size: 1008 [2021-07-09 21:12:54,209 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:12:54,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:54,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:54,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:54,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:54,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:54,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-09 21:12:54,266 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-07-09 21:12:56,756 WARN L205 SmtUtils]: Spent 2.49 s on a formula simplification that was a NOOP. DAG size: 993 [2021-07-09 21:12:56,756 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:12:56,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:56,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:56,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:56,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:56,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:56,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 25 [2021-07-09 21:12:56,801 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-07-09 21:12:59,162 WARN L205 SmtUtils]: Spent 2.36 s on a formula simplification that was a NOOP. DAG size: 978 [2021-07-09 21:12:59,163 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:12:59,201 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 21:12:59,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:59,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:59,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:59,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:59,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:12:59,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 25 [2021-07-09 21:12:59,211 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-07-09 21:13:01,502 WARN L205 SmtUtils]: Spent 2.29 s on a formula simplification that was a NOOP. DAG size: 962 [2021-07-09 21:13:01,503 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:13:01,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:01,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:01,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:01,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:01,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:01,546 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 25 [2021-07-09 21:13:01,547 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-07-09 21:13:03,734 WARN L205 SmtUtils]: Spent 2.19 s on a formula simplification that was a NOOP. DAG size: 947 [2021-07-09 21:13:03,735 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:13:03,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:03,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:03,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:03,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:03,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:03,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-07-09 21:13:03,776 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-07-09 21:13:05,799 WARN L205 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 932 [2021-07-09 21:13:05,799 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:13:05,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:05,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:05,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:05,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:05,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:05,840 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-09 21:13:05,841 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-07-09 21:13:07,802 WARN L205 SmtUtils]: Spent 1.96 s on a formula simplification that was a NOOP. DAG size: 917 [2021-07-09 21:13:07,803 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:13:07,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:07,836 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 21:13:07,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:07,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:07,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:07,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:07,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 25 [2021-07-09 21:13:07,843 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-07-09 21:13:09,768 WARN L205 SmtUtils]: Spent 1.92 s on a formula simplification that was a NOOP. DAG size: 901 [2021-07-09 21:13:09,769 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:13:09,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:09,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:09,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:09,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:09,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:09,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 25 [2021-07-09 21:13:09,810 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-07-09 21:13:11,660 WARN L205 SmtUtils]: Spent 1.85 s on a formula simplification that was a NOOP. DAG size: 886 [2021-07-09 21:13:11,660 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:13:11,691 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 21:13:11,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:11,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:11,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:11,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:11,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:11,699 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-07-09 21:13:11,700 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-07-09 21:13:13,461 WARN L205 SmtUtils]: Spent 1.76 s on a formula simplification that was a NOOP. DAG size: 870 [2021-07-09 21:13:13,461 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:13:13,511 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 21:13:13,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:13,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:13,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:13,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:13,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:13,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-07-09 21:13:13,521 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-07-09 21:13:15,272 WARN L205 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 854 [2021-07-09 21:13:15,272 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:13:15,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:15,310 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 21:13:15,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:15,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:15,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:15,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:15,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 25 [2021-07-09 21:13:15,318 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-07-09 21:13:17,028 WARN L205 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 838 [2021-07-09 21:13:17,029 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:13:17,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:17,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:17,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:17,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:17,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:17,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 25 [2021-07-09 21:13:17,069 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-07-09 21:13:18,800 WARN L205 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 823 [2021-07-09 21:13:18,801 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:13:18,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:18,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:18,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:18,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:18,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:18,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-07-09 21:13:18,846 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-07-09 21:13:20,447 WARN L205 SmtUtils]: Spent 1.60 s on a formula simplification that was a NOOP. DAG size: 808 [2021-07-09 21:13:20,448 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:13:20,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:20,481 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 21:13:20,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:20,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:20,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:20,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:20,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 25 [2021-07-09 21:13:20,488 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-07-09 21:13:22,049 WARN L205 SmtUtils]: Spent 1.56 s on a formula simplification that was a NOOP. DAG size: 792 [2021-07-09 21:13:22,050 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:13:22,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:22,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:22,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:22,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:22,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:22,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 25 [2021-07-09 21:13:22,088 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-07-09 21:13:23,587 WARN L205 SmtUtils]: Spent 1.50 s on a formula simplification that was a NOOP. DAG size: 777 [2021-07-09 21:13:23,587 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:13:23,615 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 21:13:23,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:23,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:23,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:23,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:23,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:23,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 25 [2021-07-09 21:13:23,622 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-07-09 21:13:25,066 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 761 [2021-07-09 21:13:25,066 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:13:25,094 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 21:13:25,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:25,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:25,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:25,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:25,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:25,101 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 25 [2021-07-09 21:13:25,103 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-07-09 21:13:26,497 WARN L205 SmtUtils]: Spent 1.39 s on a formula simplification that was a NOOP. DAG size: 745 [2021-07-09 21:13:26,497 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:13:26,527 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 21:13:26,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:26,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:26,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:26,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:26,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:26,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 25 [2021-07-09 21:13:26,540 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-07-09 21:13:27,913 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 729 [2021-07-09 21:13:27,913 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:13:27,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:27,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:27,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:27,945 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 21:13:27,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:27,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:27,948 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 25 [2021-07-09 21:13:27,950 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-07-09 21:13:29,292 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 713 [2021-07-09 21:13:29,292 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:13:29,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:29,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:29,321 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 21:13:29,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:29,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:29,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:29,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 25 [2021-07-09 21:13:29,327 INFO L550 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2021-07-09 21:13:30,638 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 697 [2021-07-09 21:13:30,639 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:13:30,666 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 21:13:30,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:30,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:30,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:30,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:30,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:30,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-07-09 21:13:30,673 INFO L550 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2021-07-09 21:13:31,946 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 681 [2021-07-09 21:13:31,947 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:13:31,974 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 21:13:31,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:31,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:31,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:31,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:31,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:31,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 25 [2021-07-09 21:13:31,982 INFO L550 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2021-07-09 21:13:33,214 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 665 [2021-07-09 21:13:33,214 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:13:33,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:33,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:33,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:33,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:33,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:33,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 25 [2021-07-09 21:13:33,248 INFO L550 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2021-07-09 21:13:34,524 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 650 [2021-07-09 21:13:34,525 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:13:34,565 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 21:13:34,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:34,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:34,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:34,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:34,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:34,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-09 21:13:34,573 INFO L550 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2021-07-09 21:13:35,696 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 634 [2021-07-09 21:13:35,697 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:13:35,722 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 21:13:35,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:35,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:35,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:35,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:35,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:35,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 25 [2021-07-09 21:13:35,734 INFO L550 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2021-07-09 21:13:36,809 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 619 [2021-07-09 21:13:36,810 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:13:36,834 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 21:13:36,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:36,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:36,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:36,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:36,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:36,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 25 [2021-07-09 21:13:36,841 INFO L550 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2021-07-09 21:13:37,923 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 603 [2021-07-09 21:13:37,924 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:13:37,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:37,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:37,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:37,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:37,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:37,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 25 [2021-07-09 21:13:37,954 INFO L550 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2021-07-09 21:13:38,928 WARN L205 SmtUtils]: Spent 974.00 ms on a formula simplification that was a NOOP. DAG size: 588 [2021-07-09 21:13:38,929 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:13:38,952 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 21:13:38,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:38,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:38,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:38,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:38,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:38,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 25 [2021-07-09 21:13:38,959 INFO L550 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2021-07-09 21:13:39,928 WARN L205 SmtUtils]: Spent 968.00 ms on a formula simplification that was a NOOP. DAG size: 572 [2021-07-09 21:13:39,928 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:13:39,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:39,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:39,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:39,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:39,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:39,955 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-07-09 21:13:39,957 INFO L550 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2021-07-09 21:13:40,895 WARN L205 SmtUtils]: Spent 938.00 ms on a formula simplification that was a NOOP. DAG size: 557 [2021-07-09 21:13:40,896 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:13:40,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:40,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:40,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:40,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:40,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:40,922 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-09 21:13:40,924 INFO L550 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2021-07-09 21:13:41,788 WARN L205 SmtUtils]: Spent 863.00 ms on a formula simplification that was a NOOP. DAG size: 542 [2021-07-09 21:13:41,788 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:13:41,809 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 21:13:41,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:41,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:41,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:41,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:41,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:41,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 25 [2021-07-09 21:13:41,816 INFO L550 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2021-07-09 21:13:42,656 WARN L205 SmtUtils]: Spent 839.00 ms on a formula simplification that was a NOOP. DAG size: 526 [2021-07-09 21:13:42,657 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:13:42,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:42,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:42,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:42,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:42,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:42,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 25 [2021-07-09 21:13:42,683 INFO L550 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2021-07-09 21:13:43,476 WARN L205 SmtUtils]: Spent 792.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2021-07-09 21:13:43,476 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:13:43,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:43,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:43,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:43,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:43,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:43,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-07-09 21:13:43,503 INFO L550 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2021-07-09 21:13:44,266 WARN L205 SmtUtils]: Spent 762.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2021-07-09 21:13:44,266 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:13:44,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:44,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:44,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:44,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:44,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:44,304 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 21:13:44,305 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-09 21:13:44,306 INFO L550 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2021-07-09 21:13:45,039 WARN L205 SmtUtils]: Spent 732.00 ms on a formula simplification that was a NOOP. DAG size: 480 [2021-07-09 21:13:45,040 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:13:45,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:45,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:45,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:45,061 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 21:13:45,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:45,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:13:45,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 25 [2021-07-09 21:13:45,065 INFO L550 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2021-07-09 21:13:45,761 WARN L205 SmtUtils]: Spent 695.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2021-07-09 21:13:45,761 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:13:45,800 INFO L550 ElimStorePlain]: Start of recursive call 1: 128 dim-0 vars, 64 dim-1 vars, End of recursive call: and 12 xjuncts. [2021-07-09 21:13:45,800 INFO L247 ElimStorePlain]: Needed 65 recursive calls to eliminate 192 variables, input treesize:8523, output treesize:85 [2021-07-09 21:13:46,006 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 21:13:46,007 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [296548454] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 21:13:46,007 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 21:13:46,007 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 19] total 38 [2021-07-09 21:13:46,007 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119069168] [2021-07-09 21:13:46,007 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-07-09 21:13:46,007 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 21:13:46,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-07-09 21:13:46,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=1279, Unknown=0, NotChecked=0, Total=1406 [2021-07-09 21:13:46,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 21:13:46,008 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 21:13:46,008 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 2.1578947368421053) internal successors, (82), 38 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 21:13:46,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 21:13:46,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-09 21:13:46,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-09 21:13:46,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 21:13:46,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 21:13:48,488 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 64 [2021-07-09 21:13:49,143 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 67 [2021-07-09 21:13:49,521 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 78 [2021-07-09 21:13:50,146 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 113 [2021-07-09 21:13:50,568 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 78 [2021-07-09 21:13:51,167 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 87 [2021-07-09 21:13:51,695 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 94 [2021-07-09 21:13:52,660 WARN L205 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 155 [2021-07-09 21:13:53,294 WARN L205 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 97 [2021-07-09 21:13:54,217 WARN L205 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 400 DAG size of output: 119 [2021-07-09 21:13:56,132 WARN L205 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 879 DAG size of output: 204 [2021-07-09 21:13:56,776 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 128 [2021-07-09 21:14:15,083 WARN L205 SmtUtils]: Spent 17.96 s on a formula simplification. DAG size of input: 415 DAG size of output: 272 [2021-07-09 21:14:16,019 WARN L205 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 129 [2021-07-09 21:14:34,321 WARN L205 SmtUtils]: Spent 17.89 s on a formula simplification. DAG size of input: 461 DAG size of output: 270 [2021-07-09 21:15:01,099 WARN L205 SmtUtils]: Spent 26.12 s on a formula simplification. DAG size of input: 1019 DAG size of output: 748 [2021-07-09 21:15:16,750 WARN L205 SmtUtils]: Spent 15.22 s on a formula simplification. DAG size of input: 417 DAG size of output: 236 [2021-07-09 21:15:18,309 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 259 DAG size of output: 245 [2021-07-09 21:15:34,259 WARN L205 SmtUtils]: Spent 15.46 s on a formula simplification. DAG size of input: 463 DAG size of output: 234 [2021-07-09 21:15:36,030 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 305 DAG size of output: 170 [2021-07-09 21:15:37,723 WARN L205 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 261 DAG size of output: 179 [2021-07-09 21:15:38,734 WARN L205 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 139 [2021-07-09 21:15:39,119 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-07-09 21:15:39,568 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 86 [2021-07-09 21:15:39,929 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 42 [2021-07-09 21:15:40,480 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 66 [2021-07-09 21:15:42,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 21:15:42,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-09 21:15:42,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 21:15:42,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 21:15:42,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-09 21:15:42,514 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 21:15:42,514 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 21:15:42,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 21:15:42,515 INFO L82 PathProgramCache]: Analyzing trace with hash 1502281795, now seen corresponding path program 6 times [2021-07-09 21:15:42,515 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 21:15:42,515 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246871229] [2021-07-09 21:15:42,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 21:15:42,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 21:15:42,711 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 45 proven. 87 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 21:15:42,711 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 21:15:42,712 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246871229] [2021-07-09 21:15:42,712 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246871229] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 21:15:42,712 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1052925592] [2021-07-09 21:15:42,712 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 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 21:15:42,751 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2021-07-09 21:15:42,751 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 21:15:42,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 21 conjunts are in the unsatisfiable core [2021-07-09 21:15:42,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 21:15:43,094 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 45 proven. 87 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 21:15:43,095 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1052925592] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 21:15:43,095 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 21:15:43,095 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 40 [2021-07-09 21:15:43,095 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259570284] [2021-07-09 21:15:43,095 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-07-09 21:15:43,095 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 21:15:43,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-07-09 21:15:43,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=299, Invalid=1261, Unknown=0, NotChecked=0, Total=1560 [2021-07-09 21:15:43,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 21:15:43,097 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 21:15:43,097 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 2.325) internal successors, (93), 40 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 21:15:43,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 21:15:43,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-09 21:15:43,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-09 21:15:43,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 21:15:43,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-09 21:15:43,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 21:15:43,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 21:15:43,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-09 21:15:43,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 21:15:43,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 21:15:43,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-09 21:15:43,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 21:15:43,613 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable366 [2021-07-09 21:15:43,614 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 21:15:43,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 21:15:43,614 INFO L82 PathProgramCache]: Analyzing trace with hash 616833919, now seen corresponding path program 7 times [2021-07-09 21:15:43,614 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 21:15:43,614 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968898163] [2021-07-09 21:15:43,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 21:15:43,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 21:15:49,585 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 145 [2021-07-09 21:15:49,924 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 50 [2021-07-09 21:15:50,281 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 177 [2021-07-09 21:15:50,718 WARN L205 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 68 [2021-07-09 21:15:51,398 WARN L205 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 271 [2021-07-09 21:15:52,362 WARN L205 SmtUtils]: Spent 903.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 120 [2021-07-09 21:15:53,287 WARN L205 SmtUtils]: Spent 918.00 ms on a formula simplification. DAG size of input: 473 DAG size of output: 369 [2021-07-09 21:15:54,438 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 369 DAG size of output: 135 [2021-07-09 21:15:57,591 WARN L205 SmtUtils]: Spent 3.15 s on a formula simplification. DAG size of input: 672 DAG size of output: 480 [2021-07-09 21:15:59,383 WARN L205 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 480 DAG size of output: 174 [2021-07-09 21:16:10,530 WARN L205 SmtUtils]: Spent 11.14 s on a formula simplification. DAG size of input: 998 DAG size of output: 621 [2021-07-09 21:16:11,272 WARN L205 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 619 DAG size of output: 619 [2021-07-09 21:16:14,221 WARN L205 SmtUtils]: Spent 2.81 s on a formula simplification. DAG size of input: 619 DAG size of output: 268 [2021-07-09 21:16:27,458 WARN L205 SmtUtils]: Spent 13.23 s on a formula simplification. DAG size of input: 947 DAG size of output: 759 [2021-07-09 21:16:27,608 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 759 [2021-07-09 21:16:32,335 WARN L205 SmtUtils]: Spent 4.55 s on a formula simplification. DAG size of input: 757 DAG size of output: 344 [2021-07-09 21:16:56,675 WARN L205 SmtUtils]: Spent 24.33 s on a formula simplification. DAG size of input: 1005 DAG size of output: 872 [2021-07-09 21:16:56,949 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 872 [2021-07-09 21:16:57,751 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 [2021-07-09 21:16:57,752 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable367 [2021-07-09 21:16:57,753 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: ASSERTION VIOLATION File: ../src/math/lp/int_solver.cpp Line: 562 Failed to verify: get_freedom_interval_for_column(j, inf_l, l, inf_u, u, m) || settings().get_cancel_flag() Z3 4.8.11.0 Please file an issue with this message and more detail about how you encountered it at https://github.com/Z3Prover/z3/issues/new at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:258) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:61) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.getRedundancy(SimplifyDDA.java:621) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getRedundancy(SimplifyDDAWithTimeout.java:120) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA$Simplifier.walk(SimplifyDDA.java:393) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.simplifyOnce(SimplifyDDA.java:649) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:180) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:173) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:140) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:360) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:305) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computePredicates(NestedInterpolantsBuilder.java:593) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:171) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:326) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:228) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.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.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:248) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:165) 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:597) 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:367) 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) ... 51 more [2021-07-09 21:16:57,757 INFO L168 Benchmark]: Toolchain (without parser) took 435668.73 ms. Allocated memory was 209.7 MB in the beginning and 1.0 GB in the end (delta: 836.8 MB). Free memory was 190.2 MB in the beginning and 746.7 MB in the end (delta: -556.5 MB). Peak memory consumption was 281.9 MB. Max. memory is 8.0 GB. [2021-07-09 21:16:57,757 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.09 ms. Allocated memory is still 209.7 MB. Free memory is still 191.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-09 21:16:57,757 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.13 ms. Allocated memory is still 209.7 MB. Free memory was 190.1 MB in the beginning and 188.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-09 21:16:57,757 INFO L168 Benchmark]: Boogie Preprocessor took 17.09 ms. Allocated memory is still 209.7 MB. Free memory was 188.6 MB in the beginning and 187.6 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-09 21:16:57,757 INFO L168 Benchmark]: RCFGBuilder took 212.21 ms. Allocated memory is still 209.7 MB. Free memory was 187.5 MB in the beginning and 174.8 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-07-09 21:16:57,757 INFO L168 Benchmark]: TraceAbstraction took 435412.98 ms. Allocated memory was 209.7 MB in the beginning and 1.0 GB in the end (delta: 836.8 MB). Free memory was 174.4 MB in the beginning and 746.7 MB in the end (delta: -572.3 MB). Peak memory consumption was 265.1 MB. Max. memory is 8.0 GB. [2021-07-09 21:16:57,757 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 0.09 ms. Allocated memory is still 209.7 MB. Free memory is still 191.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 22.13 ms. Allocated memory is still 209.7 MB. Free memory was 190.1 MB in the beginning and 188.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 17.09 ms. Allocated memory is still 209.7 MB. Free memory was 188.6 MB in the beginning and 187.6 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 212.21 ms. Allocated memory is still 209.7 MB. Free memory was 187.5 MB in the beginning and 174.8 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 435412.98 ms. Allocated memory was 209.7 MB in the beginning and 1.0 GB in the end (delta: 836.8 MB). Free memory was 174.4 MB in the beginning and 746.7 MB in the end (delta: -572.3 MB). Peak memory consumption was 265.1 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...