/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-NewStatesSleep-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array-hom.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 07:20:50,167 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 07:20:50,170 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 07:20:50,198 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 07:20:50,244 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-NewStatesSleep-NoLbe-Lockstep.epf [2021-07-14 07:20:50,271 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 07:20:50,271 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 07:20:50,272 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 07:20:50,272 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 07:20:50,274 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 07:20:50,274 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 07:20:50,274 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 07:20:50,274 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 07:20:50,274 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 07:20:50,275 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 07:20:50,275 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 07:20:50,275 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 07:20:50,275 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 07:20:50,275 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 07:20:50,276 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 07:20:50,276 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 07:20:50,276 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 07:20:50,276 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 07:20:50,276 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 07:20:50,276 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 07:20:50,276 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 07:20:50,276 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 07:20:50,276 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 07:20:50,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 07:20:50,277 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 07:20:50,277 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 07:20:50,277 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 07:20:50,277 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 07:20:50,277 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-14 07:20:50,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 07:20:50,277 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 07:20:50,277 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 07:20:50,278 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 07:20:50,278 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-07-14 07:20:50,278 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 07:20:50,563 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 07:20:50,578 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 07:20:50,579 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 07:20:50,580 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 07:20:50,581 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 07:20:50,582 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array-hom.wvr.bpl [2021-07-14 07:20:50,582 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array-hom.wvr.bpl' [2021-07-14 07:20:50,598 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 07:20:50,599 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 07:20:50,600 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 07:20:50,600 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 07:20:50,600 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 07:20:50,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:20:50" (1/1) ... [2021-07-14 07:20:50,615 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:20:50" (1/1) ... [2021-07-14 07:20:50,621 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 07:20:50,622 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 07:20:50,622 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 07:20:50,622 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 07:20:50,627 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:20:50" (1/1) ... [2021-07-14 07:20:50,628 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:20:50" (1/1) ... [2021-07-14 07:20:50,629 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:20:50" (1/1) ... [2021-07-14 07:20:50,629 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:20:50" (1/1) ... [2021-07-14 07:20:50,632 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:20:50" (1/1) ... [2021-07-14 07:20:50,635 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:20:50" (1/1) ... [2021-07-14 07:20:50,635 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:20:50" (1/1) ... [2021-07-14 07:20:50,638 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 07:20:50,638 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 07:20:50,639 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 07:20:50,639 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 07:20:50,640 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:20:50" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 07:20:50,702 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 07:20:50,702 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 07:20:50,702 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 07:20:50,702 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 07:20:50,703 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 07:20:50,703 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 07:20:50,703 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 07:20:50,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 07:20:50,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 07:20:50,704 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-14 07:20:50,704 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-14 07:20:50,704 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-14 07:20:50,705 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 07:20:50,870 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 07:20:50,870 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-14 07:20:50,871 INFO L202 PluginConnector]: Adding new model sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 07:20:50 BoogieIcfgContainer [2021-07-14 07:20:50,871 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 07:20:50,873 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 07:20:50,873 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 07:20:50,875 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 07:20:50,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:20:50" (1/2) ... [2021-07-14 07:20:50,875 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fc6e34a and model type sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 07:20:50, skipping insertion in model container [2021-07-14 07:20:50,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 07:20:50" (2/2) ... [2021-07-14 07:20:50,876 INFO L111 eAbstractionObserver]: Analyzing ICFG sum-array-hom.wvr.bpl [2021-07-14 07:20:50,880 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 07:20:50,880 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 07:20:50,880 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 07:20:50,881 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 07:20:50,929 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-07-14 07:20:50,947 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 07:20:51,006 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 07:20:51,009 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 07:20:51,009 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 07:20:51,009 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 07:20:51,009 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 07:20:51,009 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 07:20:51,010 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 07:20:51,010 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 07:20:51,068 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 07:20:51,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 07:20:51,072 INFO L82 PathProgramCache]: Analyzing trace with hash 1065729326, now seen corresponding path program 1 times [2021-07-14 07:20:51,080 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 07:20:51,080 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505364398] [2021-07-14 07:20:51,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 07:20:51,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:20:51,291 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-14 07:20:51,292 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 07:20:51,292 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505364398] [2021-07-14 07:20:51,292 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505364398] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:20:51,292 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [823289863] [2021-07-14 07:20:51,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:20:51,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:20:51,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-14 07:20:51,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 07:20:51,483 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-14 07:20:51,483 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [823289863] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:20:51,483 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 07:20:51,483 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-07-14 07:20:51,484 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132261997] [2021-07-14 07:20:51,488 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 07:20:51,488 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 07:20:51,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 07:20:51,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-07-14 07:20:51,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:20:51,501 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 07:20:51,503 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) [2021-07-14 07:20:51,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:20:51,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 07:20:51,825 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-07-14 07:20:51,827 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 07:20:51,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 07:20:51,828 INFO L82 PathProgramCache]: Analyzing trace with hash -617931440, now seen corresponding path program 2 times [2021-07-14 07:20:51,828 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 07:20:51,828 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821810113] [2021-07-14 07:20:51,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 07:20:51,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:20:51,906 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:20:51,906 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 07:20:51,906 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821810113] [2021-07-14 07:20:51,907 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821810113] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:20:51,907 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [178785896] [2021-07-14 07:20:51,907 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:20:51,952 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 07:20:51,952 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 07:20:51,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-14 07:20:51,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 07:20:52,060 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:20:52,061 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [178785896] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:20:52,061 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 07:20:52,061 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-07-14 07:20:52,061 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788088208] [2021-07-14 07:20:52,062 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-14 07:20:52,062 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 07:20:52,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-14 07:20:52,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-07-14 07:20:52,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:20:52,063 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 07:20:52,063 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 07:20:52,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 07:20:52,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:20:52,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 07:20:52,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 07:20:52,415 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:20:52,415 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 07:20:52,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 07:20:52,416 INFO L82 PathProgramCache]: Analyzing trace with hash 586743026, now seen corresponding path program 3 times [2021-07-14 07:20:52,416 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 07:20:52,416 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428633765] [2021-07-14 07:20:52,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 07:20:52,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:20:52,813 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:20:52,813 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 07:20:52,813 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428633765] [2021-07-14 07:20:52,813 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428633765] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:20:52,813 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1767441708] [2021-07-14 07:20:52,813 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 [2021-07-14 07:20:52,865 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-07-14 07:20:52,865 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 07:20:52,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 35 conjunts are in the unsatisfiable core [2021-07-14 07:20:52,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 07:20:53,404 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:20:53,405 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 27 treesize of output 55 [2021-07-14 07:20:53,439 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:20:53,476 INFO L628 ElimStorePlain]: treesize reduction 68, result has 39.8 percent of original size [2021-07-14 07:20:53,530 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 5 xjuncts. [2021-07-14 07:20:53,530 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:45, output treesize:103 [2021-07-14 07:20:53,625 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:20:53,626 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1767441708] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:20:53,626 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 07:20:53,626 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14] total 23 [2021-07-14 07:20:53,626 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916180052] [2021-07-14 07:20:53,626 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-14 07:20:53,626 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 07:20:53,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-14 07:20:53,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=438, Unknown=0, NotChecked=0, Total=506 [2021-07-14 07:20:53,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:20:53,628 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 07:20:53,628 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.260869565217391) internal successors, (52), 23 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 07:20:53,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 07:20:53,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 07:20:53,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:20:54,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 07:20:54,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 07:20:54,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 07:20:55,164 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:20:55,165 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 07:20:55,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 07:20:55,166 INFO L82 PathProgramCache]: Analyzing trace with hash 1443053554, now seen corresponding path program 4 times [2021-07-14 07:20:55,166 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 07:20:55,166 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933433663] [2021-07-14 07:20:55,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 07:20:55,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:20:55,501 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:20:55,501 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 07:20:55,501 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933433663] [2021-07-14 07:20:55,501 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933433663] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:20:55,501 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [289916289] [2021-07-14 07:20:55,501 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 [2021-07-14 07:20:55,532 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 07:20:55,532 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 07:20:55,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 42 conjunts are in the unsatisfiable core [2021-07-14 07:20:55,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 07:20:55,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:20:55,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:20:55,877 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 07:20:55,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:20:55,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:20:55,879 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 07:20:55,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 18 [2021-07-14 07:20:55,882 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:20:55,902 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:20:55,903 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 07:20:55,904 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:42, output treesize:5 [2021-07-14 07:20:55,924 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:20:55,925 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [289916289] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:20:55,925 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 07:20:55,925 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14] total 26 [2021-07-14 07:20:55,925 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189525624] [2021-07-14 07:20:55,925 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-14 07:20:55,925 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 07:20:55,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-14 07:20:55,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=568, Unknown=0, NotChecked=0, Total=650 [2021-07-14 07:20:55,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:20:55,926 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 07:20:55,926 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 2.3076923076923075) internal successors, (60), 26 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 07:20:55,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 07:20:55,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 07:20:55,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 07:20:55,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:20:56,504 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 62 [2021-07-14 07:20:57,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 07:20:57,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 07:20:57,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 07:20:57,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 07:20:58,104 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-07-14 07:20:58,105 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 07:20:58,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 07:20:58,105 INFO L82 PathProgramCache]: Analyzing trace with hash -1430625930, now seen corresponding path program 5 times [2021-07-14 07:20:58,106 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 07:20:58,106 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734783186] [2021-07-14 07:20:58,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 07:20:58,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:20:58,503 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:20:58,503 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 07:20:58,504 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734783186] [2021-07-14 07:20:58,504 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734783186] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:20:58,504 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [393665582] [2021-07-14 07:20:58,504 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 [2021-07-14 07:20:58,549 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-14 07:20:58,549 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 07:20:58,550 WARN L261 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 49 conjunts are in the unsatisfiable core [2021-07-14 07:20:58,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 07:20:59,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:20:59,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:20:59,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:20:59,237 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 07:20:59,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:20:59,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:20:59,239 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 07:20:59,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:20:59,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:20:59,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:20:59,242 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 20 [2021-07-14 07:20:59,243 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:20:59,249 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:20:59,250 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 07:20:59,251 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:55, output treesize:5 [2021-07-14 07:20:59,284 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:20:59,284 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [393665582] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:20:59,285 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 07:20:59,285 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 31 [2021-07-14 07:20:59,285 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790090486] [2021-07-14 07:20:59,285 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-14 07:20:59,285 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 07:20:59,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-14 07:20:59,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=844, Unknown=0, NotChecked=0, Total=930 [2021-07-14 07:20:59,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:20:59,286 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 07:20:59,286 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 2.193548387096774) internal successors, (68), 31 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 07:20:59,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 07:20:59,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 07:20:59,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 07:20:59,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 07:20:59,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:21:01,320 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2021-07-14 07:21:02,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 07:21:02,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 07:21:02,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 07:21:02,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 07:21:02,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 07:21:03,116 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:21:03,117 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 07:21:03,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 07:21:03,117 INFO L82 PathProgramCache]: Analyzing trace with hash 558076154, now seen corresponding path program 6 times [2021-07-14 07:21:03,117 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 07:21:03,117 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74618016] [2021-07-14 07:21:03,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 07:21:03,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:21:03,586 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:21:03,586 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 07:21:03,587 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74618016] [2021-07-14 07:21:03,587 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74618016] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:21:03,587 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [581412921] [2021-07-14 07:21:03,587 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 [2021-07-14 07:21:03,632 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-07-14 07:21:03,633 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 07:21:03,633 WARN L261 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 61 conjunts are in the unsatisfiable core [2021-07-14 07:21:03,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 07:21:50,132 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 129 DAG size of output: 61 [2021-07-14 07:21:50,133 INFO L354 Elim1Store]: treesize reduction 133, result has 40.9 percent of original size [2021-07-14 07:21:50,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 13 new quantified variables, introduced 28 case distinctions, treesize of input 192 treesize of output 191 [2021-07-14 07:21:50,733 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:21:53,645 WARN L205 SmtUtils]: Spent 2.91 s on a formula simplification. DAG size of input: 264 DAG size of output: 44 [2021-07-14 07:21:53,646 INFO L628 ElimStorePlain]: treesize reduction 1801, result has 4.2 percent of original size [2021-07-14 07:21:53,728 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-07-14 07:21:53,728 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:208, output treesize:131 [2021-07-14 07:21:55,498 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2021-07-14 07:21:55,766 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:21:55,766 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [581412921] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:21:55,766 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 07:21:55,766 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 22] total 38 [2021-07-14 07:21:55,766 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573913607] [2021-07-14 07:21:55,767 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-07-14 07:21:55,767 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 07:21:55,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-07-14 07:21:55,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=1276, Unknown=16, NotChecked=0, Total=1406 [2021-07-14 07:21:55,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:21:55,767 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 07:21:55,768 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 2.0) internal successors, (76), 38 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 07:21:55,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 07:21:55,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 07:21:55,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 07:21:55,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 07:21:55,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 07:21:55,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:21:59,987 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2021-07-14 07:22:00,903 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2021-07-14 07:22:06,951 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-07-14 07:22:11,968 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2021-07-14 07:22:17,461 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 29 [2021-07-14 07:22:27,492 WARN L205 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 45 [2021-07-14 07:22:30,615 WARN L205 SmtUtils]: Spent 480.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-07-14 07:22:35,863 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2021-07-14 07:22:38,828 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 32 [2021-07-14 07:22:42,924 WARN L205 SmtUtils]: Spent 981.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 57 [2021-07-14 07:22:50,345 WARN L205 SmtUtils]: Spent 647.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-07-14 07:22:55,593 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2021-07-14 07:22:56,486 WARN L205 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 35 [2021-07-14 07:23:03,787 WARN L205 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 38 [2021-07-14 07:23:12,006 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 77 DAG size of output: 68 [2021-07-14 07:23:19,336 WARN L205 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 40 [2021-07-14 07:23:22,995 WARN L205 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 48 [2021-07-14 07:23:31,059 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-07-14 07:23:35,372 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 85 DAG size of output: 72 [2021-07-14 07:23:43,380 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 77 DAG size of output: 71 [2021-07-14 07:23:49,082 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2021-07-14 07:23:57,707 WARN L205 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2021-07-14 07:24:05,004 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-07-14 07:24:12,970 WARN L205 SmtUtils]: Spent 848.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 50 [2021-07-14 07:24:16,523 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 69 DAG size of output: 64 [2021-07-14 07:24:20,464 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 63 DAG size of output: 58 [2021-07-14 07:24:26,292 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2021-07-14 07:24:28,973 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-07-14 07:24:31,805 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2021-07-14 07:24:32,443 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2021-07-14 07:24:33,263 WARN L205 SmtUtils]: Spent 473.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-07-14 07:24:33,859 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2021-07-14 07:24:34,388 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2021-07-14 07:24:35,091 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2021-07-14 07:24:35,690 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2021-07-14 07:24:37,148 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2021-07-14 07:24:45,546 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2021-07-14 07:24:51,561 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-07-14 07:24:59,340 WARN L205 SmtUtils]: Spent 467.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-07-14 07:25:02,369 WARN L205 SmtUtils]: Spent 612.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-07-14 07:25:14,930 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2021-07-14 07:25:22,398 WARN L205 SmtUtils]: Spent 524.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-07-14 07:25:45,381 WARN L205 SmtUtils]: Spent 478.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-07-14 07:25:59,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 07:25:59,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 07:25:59,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 07:25:59,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 07:25:59,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 07:25:59,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 07:25:59,292 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-07-14 07:25:59,292 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 07:25:59,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 07:25:59,293 INFO L82 PathProgramCache]: Analyzing trace with hash 504090238, now seen corresponding path program 7 times [2021-07-14 07:25:59,293 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 07:25:59,293 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486817803] [2021-07-14 07:25:59,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 07:25:59,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:25:59,629 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 12 [2021-07-14 07:25:59,947 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 16 [2021-07-14 07:26:00,168 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2021-07-14 07:26:00,410 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2021-07-14 07:26:00,690 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2021-07-14 07:26:00,986 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-07-14 07:26:01,937 WARN L205 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2021-07-14 07:26:02,350 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2021-07-14 07:26:02,714 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2021-07-14 07:26:03,046 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2021-07-14 07:26:03,388 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2021-07-14 07:26:03,759 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2021-07-14 07:26:04,130 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2021-07-14 07:26:04,498 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2021-07-14 07:26:05,906 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:26:05,906 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 07:26:05,906 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486817803] [2021-07-14 07:26:05,906 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486817803] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:26:05,906 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1770573269] [2021-07-14 07:26:05,906 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:26:05,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:26:05,951 WARN L261 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 66 conjunts are in the unsatisfiable core [2021-07-14 07:26:05,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 07:26:06,933 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2021-07-14 07:26:07,538 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2021-07-14 07:26:08,060 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2021-07-14 07:26:09,119 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-07-14 07:26:09,664 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-07-14 07:26:10,242 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2021-07-14 07:26:10,810 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-07-14 07:26:11,408 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-07-14 07:26:12,015 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-07-14 07:26:12,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:26:12,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:26:12,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:26:12,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:26:12,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:26:12,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:26:12,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:26:12,731 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 07:26:12,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:26:12,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:26:12,750 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 07:26:12,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:26:12,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:26:12,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:26:12,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:26:12,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:26:12,798 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 07:26:12,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:26:12,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:26:12,817 INFO L244 Elim1Store]: Index analysis took 151 ms [2021-07-14 07:26:12,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 21 disjoint index pairs (out of 45 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 34 [2021-07-14 07:26:12,819 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:26:12,938 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-07-14 07:26:12,939 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:26:12,947 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 07:26:12,948 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:100, output treesize:11 [2021-07-14 07:26:13,227 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:26:13,227 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1770573269] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:26:13,227 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 07:26:13,227 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 31 [2021-07-14 07:26:13,228 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907063191] [2021-07-14 07:26:13,228 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-14 07:26:13,228 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 07:26:13,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-14 07:26:13,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=846, Unknown=0, NotChecked=0, Total=930 [2021-07-14 07:26:13,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:26:13,229 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 07:26:13,229 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 2.2580645161290325) internal successors, (70), 31 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 07:26:13,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 07:26:13,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 07:26:13,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 07:26:13,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 07:26:13,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 07:26:13,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 07:26:13,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:26:14,926 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2021-07-14 07:26:17,103 WARN L205 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 92 DAG size of output: 73 [2021-07-14 07:26:18,036 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2021-07-14 07:26:19,347 WARN L205 SmtUtils]: Spent 849.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 26 [2021-07-14 07:26:20,600 WARN L205 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2021-07-14 07:26:21,712 WARN L205 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 29 [2021-07-14 07:26:22,937 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2021-07-14 07:26:24,322 WARN L205 SmtUtils]: Spent 930.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 40 [2021-07-14 07:26:25,487 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2021-07-14 07:26:27,051 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 103 DAG size of output: 52 [2021-07-14 07:26:28,233 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2021-07-14 07:26:30,261 WARN L205 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 93 DAG size of output: 78 [2021-07-14 07:26:31,362 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-07-14 07:26:33,524 WARN L205 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 86 DAG size of output: 86 [2021-07-14 07:26:34,368 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-07-14 07:26:36,798 WARN L205 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 98 DAG size of output: 98 [2021-07-14 07:26:37,914 WARN L205 SmtUtils]: Spent 627.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-07-14 07:26:39,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 07:26:39,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 07:26:39,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 07:26:39,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 07:26:39,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 07:26:39,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 07:26:39,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 07:26:39,619 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2021-07-14 07:26:39,619 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 07:26:39,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 07:26:39,620 INFO L82 PathProgramCache]: Analyzing trace with hash -2065016194, now seen corresponding path program 8 times [2021-07-14 07:26:39,620 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 07:26:39,620 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089574797] [2021-07-14 07:26:39,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 07:26:39,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:26:39,998 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 12 [2021-07-14 07:26:40,260 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 15 [2021-07-14 07:26:40,602 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 19 [2021-07-14 07:26:41,126 WARN L205 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 29 [2021-07-14 07:26:41,640 WARN L205 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 32 [2021-07-14 07:26:42,122 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 35 [2021-07-14 07:26:42,893 WARN L205 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2021-07-14 07:26:43,321 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-07-14 07:26:43,796 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-07-14 07:26:44,701 WARN L205 SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 58 [2021-07-14 07:26:45,214 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-07-14 07:26:45,921 WARN L205 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2021-07-14 07:26:46,494 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2021-07-14 07:26:47,100 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2021-07-14 07:26:47,672 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 33 [2021-07-14 07:26:48,259 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 29 [2021-07-14 07:26:48,871 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 29 [2021-07-14 07:26:49,413 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 22 [2021-07-14 07:26:50,471 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 6 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:26:50,471 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 07:26:50,471 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089574797] [2021-07-14 07:26:50,471 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089574797] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:26:50,471 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [801746889] [2021-07-14 07:26:50,472 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 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:26:50,510 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 07:26:50,511 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 07:26:50,512 WARN L261 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 74 conjunts are in the unsatisfiable core [2021-07-14 07:26:50,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 07:26:50,935 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-07-14 07:26:51,349 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2021-07-14 07:26:51,788 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2021-07-14 07:26:52,255 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2021-07-14 07:26:52,765 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2021-07-14 07:26:53,299 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2021-07-14 07:26:53,849 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-07-14 07:26:54,406 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2021-07-14 07:26:54,960 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-07-14 07:26:55,486 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2021-07-14 07:26:56,072 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2021-07-14 07:26:56,711 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2021-07-14 07:26:57,347 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-07-14 07:26:57,995 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-07-14 07:26:58,709 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-07-14 07:26:59,406 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2021-07-14 07:27:00,100 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2021-07-14 07:27:00,891 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2021-07-14 07:27:00,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:27:00,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:27:00,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:27:00,960 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 07:27:00,961 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 07:27:00,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:27:00,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:27:00,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:27:00,991 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 07:27:00,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 28 disjoint index pairs (out of 55 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 26 [2021-07-14 07:27:00,993 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:27:01,063 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:27:01,072 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 07:27:01,072 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:68, output treesize:5 [2021-07-14 07:27:01,355 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:27:01,356 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [801746889] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:27:01,356 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 07:27:01,356 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 22] total 41 [2021-07-14 07:27:01,356 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947616040] [2021-07-14 07:27:01,356 INFO L462 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-07-14 07:27:01,356 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 07:27:01,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-07-14 07:27:01,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=1494, Unknown=0, NotChecked=0, Total=1640 [2021-07-14 07:27:01,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:27:01,357 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 07:27:01,358 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 41 states, 41 states have (on average 2.2195121951219514) internal successors, (91), 41 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 07:27:01,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 07:27:01,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 07:27:01,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 07:27:01,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 07:27:01,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 07:27:01,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 07:27:01,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 07:27:01,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:27:04,318 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 20 [2021-07-14 07:27:05,444 WARN L205 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 30 [2021-07-14 07:27:06,793 WARN L205 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 24 [2021-07-14 07:27:08,428 WARN L205 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 32 [2021-07-14 07:27:09,333 WARN L205 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 30 [2021-07-14 07:27:10,668 WARN L205 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 25 [2021-07-14 07:27:11,480 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-07-14 07:27:12,622 WARN L205 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 27 [2021-07-14 07:27:13,488 WARN L205 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 32 [2021-07-14 07:27:15,258 WARN L205 SmtUtils]: Spent 848.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 44 [2021-07-14 07:27:16,053 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-07-14 07:27:17,246 WARN L205 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 29 [2021-07-14 07:27:18,145 WARN L205 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 34 [2021-07-14 07:27:19,598 WARN L205 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 31 [2021-07-14 07:27:20,399 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-07-14 07:27:21,808 WARN L205 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 37 [2021-07-14 07:27:23,314 WARN L205 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 34 [2021-07-14 07:27:24,175 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-07-14 07:27:25,445 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 36 [2021-07-14 07:27:26,862 WARN L205 SmtUtils]: Spent 481.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-07-14 07:27:28,624 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 116 DAG size of output: 83 [2021-07-14 07:27:30,411 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 94 DAG size of output: 75 [2021-07-14 07:27:32,064 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 127 DAG size of output: 79 [2021-07-14 07:27:34,465 WARN L205 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 123 DAG size of output: 93 [2021-07-14 07:27:36,399 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 103 DAG size of output: 92 [2021-07-14 07:27:38,577 WARN L205 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 134 DAG size of output: 89 [2021-07-14 07:27:40,462 WARN L205 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 115 DAG size of output: 90 [2021-07-14 07:27:42,439 WARN L205 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 110 DAG size of output: 100 [2021-07-14 07:27:44,683 WARN L205 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 122 DAG size of output: 98 [2021-07-14 07:27:47,154 WARN L205 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 123 DAG size of output: 98 [2021-07-14 07:27:48,113 WARN L205 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-07-14 07:27:48,824 WARN L205 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-07-14 07:27:49,496 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-07-14 07:27:50,071 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-07-14 07:27:50,715 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2021-07-14 07:27:51,334 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2021-07-14 07:27:52,113 WARN L205 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 28 [2021-07-14 07:27:52,757 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2021-07-14 07:27:54,164 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2021-07-14 07:27:54,802 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2021-07-14 07:27:56,303 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-07-14 07:27:57,411 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-07-14 07:27:58,201 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-07-14 07:27:59,213 WARN L205 SmtUtils]: Spent 503.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-07-14 07:28:00,152 WARN L205 SmtUtils]: Spent 584.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-07-14 07:28:01,665 WARN L205 SmtUtils]: Spent 672.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-07-14 07:28:02,840 WARN L205 SmtUtils]: Spent 619.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-07-14 07:28:04,928 WARN L205 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 112 DAG size of output: 101 [2021-07-14 07:28:05,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 07:28:05,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 07:28:05,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 07:28:05,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 07:28:05,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 07:28:05,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 07:28:05,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 07:28:05,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-14 07:28:06,029 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2021-07-14 07:28:06,029 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 07:28:06,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 07:28:06,030 INFO L82 PathProgramCache]: Analyzing trace with hash -579357694, now seen corresponding path program 9 times [2021-07-14 07:28:06,030 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 07:28:06,030 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927298521] [2021-07-14 07:28:06,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 07:28:06,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:28:06,417 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 12 [2021-07-14 07:28:06,688 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 15 [2021-07-14 07:28:07,028 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 19 [2021-07-14 07:28:07,581 WARN L205 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 29 [2021-07-14 07:28:08,073 WARN L205 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 32 [2021-07-14 07:28:08,586 WARN L205 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 35 [2021-07-14 07:28:09,109 WARN L205 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2021-07-14 07:28:09,917 WARN L205 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 53 [2021-07-14 07:28:10,403 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-07-14 07:28:10,889 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-07-14 07:28:11,878 WARN L205 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2021-07-14 07:28:12,412 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-07-14 07:28:13,174 WARN L205 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2021-07-14 07:28:13,749 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2021-07-14 07:28:14,372 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 39 [2021-07-14 07:28:14,971 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 36 [2021-07-14 07:28:15,548 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 32 [2021-07-14 07:28:16,122 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 27 [2021-07-14 07:28:16,715 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 27 [2021-07-14 07:28:17,260 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 21 [2021-07-14 07:28:18,340 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 10 proven. 116 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:28:18,340 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 07:28:18,340 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927298521] [2021-07-14 07:28:18,340 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927298521] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:28:18,341 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [687062210] [2021-07-14 07:28:18,341 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 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:28:18,382 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2021-07-14 07:28:18,382 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 07:28:18,384 WARN L261 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 87 conjunts are in the unsatisfiable core [2021-07-14 07:28:18,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 07:28:18,842 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-07-14 07:28:19,328 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2021-07-14 07:28:19,799 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2021-07-14 07:28:20,263 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2021-07-14 07:28:20,793 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2021-07-14 07:28:21,280 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2021-07-14 07:28:21,797 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2021-07-14 07:28:22,345 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2021-07-14 07:28:22,925 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2021-07-14 07:28:23,542 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2021-07-14 07:28:24,216 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-07-14 07:28:24,932 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2021-07-14 07:28:25,613 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2021-07-14 07:28:26,329 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-07-14 07:28:27,044 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-07-14 07:28:27,802 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-07-14 07:28:28,587 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-07-14 07:28:29,402 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-07-14 07:28:30,250 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-07-14 07:28:31,116 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-07-14 07:28:32,027 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-07-14 07:28:32,986 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-07-14 07:28:34,024 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-07-14 07:28:34,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:28:34,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:28:34,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:28:34,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:28:34,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:28:34,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:28:34,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:28:34,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:28:34,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:28:34,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:28:34,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:28:34,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:28:34,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:28:34,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:28:34,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:28:34,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:28:34,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:28:34,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:28:34,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:28:34,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:28:34,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:28:34,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:28:34,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:28:34,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:28:34,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:28:34,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:28:34,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:28:34,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:28:34,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:28:34,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:28:34,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:28:34,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:28:34,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:28:34,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:28:34,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:28:34,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:28:34,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:28:34,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:28:34,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:28:34,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:28:34,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:28:34,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:28:34,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:28:34,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:28:34,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:28:34,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:28:34,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:28:34,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:28:34,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:28:34,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:28:34,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:28:34,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:28:34,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:28:34,742 INFO L244 Elim1Store]: Index analysis took 664 ms [2021-07-14 07:28:35,307 WARN L205 SmtUtils]: Spent 563.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-07-14 07:28:35,308 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:28:35,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 68 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 10 case distinctions, treesize of input 74 treesize of output 136 [2021-07-14 07:28:35,476 INFO L550 ElimStorePlain]: Start of recursive call 2: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 5 xjuncts. [2021-07-14 07:28:36,106 WARN L205 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 28 [2021-07-14 07:28:36,107 INFO L628 ElimStorePlain]: treesize reduction 249, result has 13.2 percent of original size [2021-07-14 07:28:36,119 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 07:28:36,119 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:96, output treesize:24 [2021-07-14 07:28:37,079 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 14 [2021-07-14 07:28:37,398 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:28:37,398 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [687062210] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:28:37,398 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 07:28:37,398 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 28] total 49 [2021-07-14 07:28:37,398 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139013528] [2021-07-14 07:28:37,399 INFO L462 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-07-14 07:28:37,399 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 07:28:37,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-07-14 07:28:37,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=162, Invalid=2190, Unknown=0, NotChecked=0, Total=2352 [2021-07-14 07:28:37,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:28:37,400 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 07:28:37,400 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 49 states, 49 states have (on average 2.020408163265306) internal successors, (99), 49 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 07:28:37,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 07:28:37,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 07:28:37,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 07:28:37,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 07:28:37,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 07:28:37,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 07:28:37,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 07:28:37,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-14 07:28:37,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:28:40,017 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2021-07-14 07:28:41,633 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2021-07-14 07:28:42,527 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 22 [2021-07-14 07:28:43,856 WARN L205 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 31 [2021-07-14 07:28:45,343 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 23 [2021-07-14 07:28:47,066 WARN L205 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 31 [2021-07-14 07:28:48,105 WARN L205 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 32 [2021-07-14 07:28:49,314 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2021-07-14 07:28:50,304 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 25 [2021-07-14 07:28:51,325 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2021-07-14 07:28:52,678 WARN L205 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 27 [2021-07-14 07:28:53,832 WARN L205 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 36 [2021-07-14 07:28:55,938 WARN L205 SmtUtils]: Spent 833.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 45 [2021-07-14 07:28:57,638 WARN L205 SmtUtils]: Spent 975.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 45 [2021-07-14 07:28:59,020 WARN L205 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 31 [2021-07-14 07:29:00,580 WARN L205 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 36 [2021-07-14 07:29:04,179 WARN L205 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 116 DAG size of output: 94 [2021-07-14 07:29:05,895 WARN L205 SmtUtils]: Spent 952.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 75 [2021-07-14 07:29:08,295 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 103 DAG size of output: 77 [2021-07-14 07:29:11,360 WARN L205 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 116 DAG size of output: 106 [2021-07-14 07:29:13,101 WARN L205 SmtUtils]: Spent 967.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 77 [2021-07-14 07:29:15,382 WARN L205 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 108 DAG size of output: 86 [2021-07-14 07:29:18,258 WARN L205 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 118 DAG size of output: 108 [2021-07-14 07:29:20,130 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 112 DAG size of output: 84 [2021-07-14 07:29:22,212 WARN L205 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 63 [2021-07-14 07:29:24,858 WARN L205 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 120 DAG size of output: 95 [2021-07-14 07:29:27,510 WARN L205 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 132 DAG size of output: 119 [2021-07-14 07:29:29,984 WARN L205 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 143 DAG size of output: 101 [2021-07-14 07:29:32,739 WARN L205 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 144 DAG size of output: 116 [2021-07-14 07:29:35,158 WARN L205 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 135 DAG size of output: 100 [2021-07-14 07:29:38,515 WARN L205 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 139 DAG size of output: 127 [2021-07-14 07:29:40,698 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 110 DAG size of output: 99 [2021-07-14 07:29:44,130 WARN L205 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 151 DAG size of output: 124 [2021-07-14 07:29:46,166 WARN L205 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 123 DAG size of output: 97 [2021-07-14 07:29:48,116 WARN L205 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 117 DAG size of output: 107 [2021-07-14 07:29:50,331 WARN L205 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 130 DAG size of output: 105 [2021-07-14 07:29:53,236 WARN L205 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 131 DAG size of output: 105 [2021-07-14 07:29:54,230 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-07-14 07:29:54,935 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-07-14 07:29:55,603 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-07-14 07:29:56,218 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-07-14 07:29:56,850 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-07-14 07:29:57,471 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2021-07-14 07:29:58,087 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2021-07-14 07:29:58,861 WARN L205 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 28 [2021-07-14 07:29:59,463 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2021-07-14 07:30:01,153 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2021-07-14 07:30:01,872 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2021-07-14 07:30:03,832 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-07-14 07:30:05,195 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-07-14 07:30:06,190 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-07-14 07:30:07,401 WARN L205 SmtUtils]: Spent 496.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-07-14 07:30:08,462 WARN L205 SmtUtils]: Spent 551.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-07-14 07:30:10,114 WARN L205 SmtUtils]: Spent 634.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-07-14 07:30:11,432 WARN L205 SmtUtils]: Spent 615.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-07-14 07:30:13,554 WARN L205 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 119 DAG size of output: 108 [2021-07-14 07:30:14,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 07:30:14,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 07:30:14,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 07:30:14,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 07:30:14,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 07:30:14,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 07:30:14,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 07:30:14,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-14 07:30:14,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-07-14 07:30:15,005 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:30:15,006 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 07:30:15,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 07:30:15,006 INFO L82 PathProgramCache]: Analyzing trace with hash 478878598, now seen corresponding path program 10 times [2021-07-14 07:30:15,006 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 07:30:15,006 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833349635] [2021-07-14 07:30:15,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 07:30:15,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:30:15,350 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 12 [2021-07-14 07:30:15,608 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 15 [2021-07-14 07:30:15,922 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 19 [2021-07-14 07:30:16,372 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 29 [2021-07-14 07:30:16,837 WARN L205 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 32 [2021-07-14 07:30:17,313 WARN L205 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 35 [2021-07-14 07:30:17,800 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2021-07-14 07:30:18,323 WARN L205 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2021-07-14 07:30:19,218 WARN L205 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 56 [2021-07-14 07:30:19,714 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-07-14 07:30:20,206 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-07-14 07:30:21,073 WARN L205 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 64 [2021-07-14 07:30:21,586 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-07-14 07:30:22,335 WARN L205 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2021-07-14 07:30:22,936 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2021-07-14 07:30:23,497 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2021-07-14 07:30:24,076 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2021-07-14 07:30:24,648 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2021-07-14 07:30:25,273 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 33 [2021-07-14 07:30:25,883 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 29 [2021-07-14 07:30:26,486 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 29 [2021-07-14 07:30:27,030 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 22 [2021-07-14 07:30:28,082 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 24 proven. 134 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:30:28,082 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 07:30:28,082 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833349635] [2021-07-14 07:30:28,082 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833349635] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:30:28,082 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1799806731] [2021-07-14 07:30:28,082 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 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:30:28,118 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 07:30:28,118 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 07:30:28,119 WARN L261 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 90 conjunts are in the unsatisfiable core [2021-07-14 07:30:28,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 07:30:28,559 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-07-14 07:30:28,958 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2021-07-14 07:30:29,411 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2021-07-14 07:30:29,898 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2021-07-14 07:30:30,396 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2021-07-14 07:30:30,921 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2021-07-14 07:30:31,475 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2021-07-14 07:30:32,037 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2021-07-14 07:30:32,625 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2021-07-14 07:30:33,248 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2021-07-14 07:30:33,817 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2021-07-14 07:30:34,392 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2021-07-14 07:30:35,006 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2021-07-14 07:30:35,650 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2021-07-14 07:30:36,334 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2021-07-14 07:30:37,045 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2021-07-14 07:30:37,763 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-07-14 07:30:38,509 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-07-14 07:30:39,323 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-07-14 07:30:40,121 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2021-07-14 07:30:40,922 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2021-07-14 07:30:41,801 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2021-07-14 07:30:41,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:30:41,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:30:41,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:30:41,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:30:41,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:30:41,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:30:41,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:30:41,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:30:41,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:30:41,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:30:41,925 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 07:30:41,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:30:41,935 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 07:30:41,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:30:41,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:30:41,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:30:41,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:30:41,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:30:41,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:30:41,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:30:41,995 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 07:30:41,995 INFO L244 Elim1Store]: Index analysis took 158 ms [2021-07-14 07:30:41,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 45 disjoint index pairs (out of 78 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 30 [2021-07-14 07:30:41,998 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:30:42,064 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:30:42,073 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 07:30:42,073 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:80, output treesize:5 [2021-07-14 07:30:42,365 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 158 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:30:42,365 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1799806731] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:30:42,365 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 07:30:42,365 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 26] total 49 [2021-07-14 07:30:42,365 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874861036] [2021-07-14 07:30:42,366 INFO L462 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-07-14 07:30:42,366 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 07:30:42,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-07-14 07:30:42,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=203, Invalid=2149, Unknown=0, NotChecked=0, Total=2352 [2021-07-14 07:30:42,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:30:42,367 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 07:30:42,367 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 49 states, 49 states have (on average 2.183673469387755) internal successors, (107), 49 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 07:30:42,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 07:30:42,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 07:30:42,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 07:30:42,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 07:30:42,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 07:30:42,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 07:30:42,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 07:30:42,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-14 07:30:42,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-07-14 07:30:42,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:30:44,970 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 20 [2021-07-14 07:30:46,059 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 29 [2021-07-14 07:30:47,334 WARN L205 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 23 [2021-07-14 07:30:48,842 WARN L205 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 31 [2021-07-14 07:30:49,725 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 30 [2021-07-14 07:30:51,044 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 25 [2021-07-14 07:30:51,912 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-07-14 07:30:53,059 WARN L205 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 27 [2021-07-14 07:30:53,978 WARN L205 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 32 [2021-07-14 07:30:55,764 WARN L205 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 44 [2021-07-14 07:30:56,752 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-07-14 07:30:58,129 WARN L205 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 29 [2021-07-14 07:30:59,197 WARN L205 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 35 [2021-07-14 07:31:00,773 WARN L205 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 32 [2021-07-14 07:31:01,766 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-07-14 07:31:03,322 WARN L205 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 38 [2021-07-14 07:31:04,982 WARN L205 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 35 [2021-07-14 07:31:05,954 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-07-14 07:31:07,511 WARN L205 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 38 [2021-07-14 07:31:09,064 WARN L205 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 35 [2021-07-14 07:31:09,910 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-07-14 07:31:11,205 WARN L205 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 41 [2021-07-14 07:31:12,657 WARN L205 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 38 [2021-07-14 07:31:13,494 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-07-14 07:31:14,699 WARN L205 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 38 [2021-07-14 07:31:16,072 WARN L205 SmtUtils]: Spent 468.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-07-14 07:31:17,823 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 123 DAG size of output: 94 [2021-07-14 07:31:19,681 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 103 DAG size of output: 84 [2021-07-14 07:31:21,420 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 134 DAG size of output: 89 [2021-07-14 07:31:23,941 WARN L205 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 131 DAG size of output: 104 [2021-07-14 07:31:25,983 WARN L205 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 106 DAG size of output: 106 [2021-07-14 07:31:28,154 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 142 DAG size of output: 99 [2021-07-14 07:31:30,763 WARN L205 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 118 DAG size of output: 102 [2021-07-14 07:31:32,775 WARN L205 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 115 DAG size of output: 115 [2021-07-14 07:31:35,808 WARN L205 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 127 DAG size of output: 111 [2021-07-14 07:31:39,144 WARN L205 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 126 DAG size of output: 110 [2021-07-14 07:31:39,967 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-07-14 07:31:40,548 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-07-14 07:31:41,149 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-07-14 07:31:41,690 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-07-14 07:31:42,242 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-07-14 07:31:42,821 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-07-14 07:31:43,399 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2021-07-14 07:31:43,985 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2021-07-14 07:31:44,677 WARN L205 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 28 [2021-07-14 07:31:45,235 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2021-07-14 07:31:46,412 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2021-07-14 07:31:47,001 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2021-07-14 07:31:48,387 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-07-14 07:31:49,403 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-07-14 07:31:50,124 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-07-14 07:31:52,776 WARN L205 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 115 DAG size of output: 115 [2021-07-14 07:31:53,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 07:31:53,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 07:31:53,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 07:31:53,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 07:31:53,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 07:31:53,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 07:31:53,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 07:31:53,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-14 07:31:53,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-07-14 07:31:53,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 07:31:53,752 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable88 [2021-07-14 07:31:53,753 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 07:31:53,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 07:31:53,753 INFO L82 PathProgramCache]: Analyzing trace with hash -929984246, now seen corresponding path program 11 times [2021-07-14 07:31:53,753 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 07:31:53,753 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287829087] [2021-07-14 07:31:53,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 07:31:53,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:31:54,082 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 12 [2021-07-14 07:31:54,331 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 15 [2021-07-14 07:31:54,637 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 19 [2021-07-14 07:31:55,062 WARN L205 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 29 [2021-07-14 07:31:55,473 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 32 [2021-07-14 07:31:55,891 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 35 [2021-07-14 07:31:56,344 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2021-07-14 07:31:56,799 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2021-07-14 07:31:57,264 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2021-07-14 07:31:57,982 WARN L205 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 59 [2021-07-14 07:31:58,424 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-07-14 07:31:58,895 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-07-14 07:31:59,701 WARN L205 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 67 [2021-07-14 07:32:00,190 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-07-14 07:32:00,861 WARN L205 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2021-07-14 07:32:01,386 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2021-07-14 07:32:01,916 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 45 [2021-07-14 07:32:02,453 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2021-07-14 07:32:03,007 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 39 [2021-07-14 07:32:03,582 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 36 [2021-07-14 07:32:04,153 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 32 [2021-07-14 07:32:04,730 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 28 [2021-07-14 07:32:05,290 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 28 [2021-07-14 07:32:05,833 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 22 [2021-07-14 07:32:06,887 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 34 proven. 160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:32:06,887 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 07:32:06,888 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287829087] [2021-07-14 07:32:06,888 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287829087] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:32:06,888 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1077557267] [2021-07-14 07:32:06,888 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 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:32:06,930 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2021-07-14 07:32:06,931 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 07:32:06,932 WARN L261 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 98 conjunts are in the unsatisfiable core [2021-07-14 07:32:06,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 07:32:07,739 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2021-07-14 07:32:08,175 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2021-07-14 07:32:08,639 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2021-07-14 07:32:09,150 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2021-07-14 07:32:09,655 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2021-07-14 07:32:10,204 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-07-14 07:32:10,754 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2021-07-14 07:32:11,360 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2021-07-14 07:32:11,967 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2021-07-14 07:32:12,602 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2021-07-14 07:32:13,160 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2021-07-14 07:32:13,765 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2021-07-14 07:32:14,382 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2021-07-14 07:32:15,059 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-07-14 07:32:15,703 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-07-14 07:32:16,399 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-07-14 07:32:17,117 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-07-14 07:32:17,843 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-07-14 07:32:18,611 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-07-14 07:32:19,390 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-07-14 07:32:20,191 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2021-07-14 07:32:21,009 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2021-07-14 07:32:21,882 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-07-14 07:32:21,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:32:21,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:32:21,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:32:21,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:32:21,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:32:21,962 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 07:32:21,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:32:21,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:32:21,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:32:21,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:32:21,995 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 07:32:22,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:32:22,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:32:22,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:32:22,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:32:22,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:32:22,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:32:22,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:32:22,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:32:22,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:32:22,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:32:22,089 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 07:32:22,089 INFO L244 Elim1Store]: Index analysis took 170 ms [2021-07-14 07:32:22,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 55 disjoint index pairs (out of 91 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 32 [2021-07-14 07:32:22,091 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:32:22,155 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:32:22,163 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 07:32:22,163 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:86, output treesize:5 [2021-07-14 07:32:22,458 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 194 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:32:22,459 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1077557267] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:32:22,459 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 07:32:22,459 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 28] total 53 [2021-07-14 07:32:22,459 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087918761] [2021-07-14 07:32:22,459 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-07-14 07:32:22,459 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 07:32:22,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-07-14 07:32:22,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=236, Invalid=2520, Unknown=0, NotChecked=0, Total=2756 [2021-07-14 07:32:22,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:32:22,460 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 07:32:22,460 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 53 states, 53 states have (on average 2.169811320754717) internal successors, (115), 53 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 07:32:22,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 07:32:22,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 07:32:22,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 07:32:22,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 07:32:22,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 07:32:22,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 07:32:22,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 07:32:22,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-14 07:32:22,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-07-14 07:32:22,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 07:32:22,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:32:24,310 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2021-07-14 07:32:25,499 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2021-07-14 07:32:26,222 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 20 [2021-07-14 07:32:27,237 WARN L205 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 33 [2021-07-14 07:32:28,384 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 24 [2021-07-14 07:32:29,727 WARN L205 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 32 [2021-07-14 07:32:30,583 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 32 [2021-07-14 07:32:31,494 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2021-07-14 07:32:32,255 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 25 [2021-07-14 07:32:33,006 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2021-07-14 07:32:34,042 WARN L205 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 27 [2021-07-14 07:32:34,939 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 36 [2021-07-14 07:32:36,561 WARN L205 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 45 [2021-07-14 07:32:37,347 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-07-14 07:32:38,427 WARN L205 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 31 [2021-07-14 07:32:39,368 WARN L205 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 36 [2021-07-14 07:32:40,710 WARN L205 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 31 [2021-07-14 07:32:41,545 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-07-14 07:32:42,877 WARN L205 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 40 [2021-07-14 07:32:44,293 WARN L205 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 34 [2021-07-14 07:32:45,114 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-07-14 07:32:46,554 WARN L205 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 40 [2021-07-14 07:32:47,942 WARN L205 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 35 [2021-07-14 07:32:48,832 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-07-14 07:32:50,300 WARN L205 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 44 [2021-07-14 07:32:51,900 WARN L205 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 38 [2021-07-14 07:32:52,832 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-07-14 07:32:54,314 WARN L205 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 47 [2021-07-14 07:32:55,852 WARN L205 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 41 [2021-07-14 07:32:56,734 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-07-14 07:32:58,036 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 40 [2021-07-14 07:32:59,477 WARN L205 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-07-14 07:33:01,359 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 130 DAG size of output: 99 [2021-07-14 07:33:03,186 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 108 DAG size of output: 89 [2021-07-14 07:33:05,203 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 141 DAG size of output: 94 [2021-07-14 07:33:07,794 WARN L205 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 138 DAG size of output: 109 [2021-07-14 07:33:09,766 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 111 DAG size of output: 111 [2021-07-14 07:33:12,045 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 149 DAG size of output: 104 [2021-07-14 07:33:13,859 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 123 DAG size of output: 107 [2021-07-14 07:33:15,848 WARN L205 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 120 DAG size of output: 120 [2021-07-14 07:33:17,921 WARN L205 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 132 DAG size of output: 116 [2021-07-14 07:33:20,552 WARN L205 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 131 DAG size of output: 115 [2021-07-14 07:33:21,388 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-07-14 07:33:21,996 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-07-14 07:33:22,589 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-07-14 07:33:23,126 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-07-14 07:33:23,663 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-07-14 07:33:24,222 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-07-14 07:33:24,775 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-07-14 07:33:25,328 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2021-07-14 07:33:25,887 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2021-07-14 07:33:26,596 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 28 [2021-07-14 07:33:27,160 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2021-07-14 07:33:28,433 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2021-07-14 07:33:29,049 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2021-07-14 07:33:30,493 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-07-14 07:33:31,483 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-07-14 07:33:32,226 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-07-14 07:33:33,146 WARN L205 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-07-14 07:33:34,157 WARN L205 SmtUtils]: Spent 596.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-07-14 07:33:35,610 WARN L205 SmtUtils]: Spent 619.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-07-14 07:33:36,740 WARN L205 SmtUtils]: Spent 550.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-07-14 07:33:38,785 WARN L205 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 120 DAG size of output: 120 [2021-07-14 07:33:39,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 07:33:39,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 07:33:39,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 07:33:39,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 07:33:39,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 07:33:39,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 07:33:39,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 07:33:39,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-14 07:33:39,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-07-14 07:33:39,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 07:33:39,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-14 07:33:39,825 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable89 [2021-07-14 07:33:39,826 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 07:33:39,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 07:33:39,826 INFO L82 PathProgramCache]: Analyzing trace with hash -260565874, now seen corresponding path program 12 times [2021-07-14 07:33:39,826 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 07:33:39,826 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106117598] [2021-07-14 07:33:39,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 07:33:39,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:33:40,199 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 12 [2021-07-14 07:33:40,423 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 15 [2021-07-14 07:33:40,702 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 19 [2021-07-14 07:33:41,093 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 29 [2021-07-14 07:33:41,526 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 32 [2021-07-14 07:33:41,947 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 35 [2021-07-14 07:33:42,402 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2021-07-14 07:33:42,864 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2021-07-14 07:33:43,367 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2021-07-14 07:33:43,878 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2021-07-14 07:33:44,326 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-07-14 07:33:44,772 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-07-14 07:33:45,242 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-07-14 07:33:45,759 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-07-14 07:33:46,277 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-07-14 07:33:46,858 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2021-07-14 07:33:47,412 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2021-07-14 07:33:47,985 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2021-07-14 07:33:48,593 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2021-07-14 07:33:49,155 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2021-07-14 07:33:49,736 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 39 [2021-07-14 07:33:50,317 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 36 [2021-07-14 07:33:50,931 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 31 [2021-07-14 07:33:51,529 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 27 [2021-07-14 07:33:52,154 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 27 [2021-07-14 07:33:52,728 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 21 [2021-07-14 07:33:53,821 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 22 proven. 212 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:33:53,821 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 07:33:53,821 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106117598] [2021-07-14 07:33:53,821 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106117598] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:33:53,821 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [114844741] [2021-07-14 07:33:53,821 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 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:33:53,870 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 13 check-sat command(s) [2021-07-14 07:33:53,870 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 07:33:53,872 WARN L261 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 113 conjunts are in the unsatisfiable core [2021-07-14 07:33:53,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 07:33:54,730 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2021-07-14 07:33:55,193 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2021-07-14 07:33:55,665 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2021-07-14 07:33:56,164 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2021-07-14 07:33:56,709 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2021-07-14 07:33:57,245 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2021-07-14 07:33:57,841 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2021-07-14 07:33:58,430 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2021-07-14 07:33:59,057 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2021-07-14 07:33:59,699 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2021-07-14 07:34:00,368 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2021-07-14 07:34:00,949 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2021-07-14 07:34:01,512 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2021-07-14 07:34:02,090 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-07-14 07:34:02,652 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-07-14 07:34:03,250 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-07-14 07:34:03,874 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-07-14 07:34:04,539 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-07-14 07:34:05,209 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-07-14 07:34:05,932 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-07-14 07:34:06,662 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-07-14 07:34:07,427 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-07-14 07:34:08,195 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-07-14 07:34:09,014 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-07-14 07:34:09,866 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-07-14 07:34:10,669 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-07-14 07:34:11,569 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-07-14 07:34:12,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:34:12,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:34:12,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:34:12,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:34:12,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:34:12,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:34:12,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:34:12,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:34:12,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:34:12,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:34:12,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:34:12,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:34:12,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:34:12,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:34:12,417 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 07:34:12,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:34:12,427 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 07:34:12,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:34:12,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:34:12,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:34:12,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:34:12,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:34:12,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:34:12,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:34:12,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:34:12,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:34:12,497 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 07:34:12,498 INFO L244 Elim1Store]: Index analysis took 200 ms [2021-07-14 07:34:12,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 66 disjoint index pairs (out of 105 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 34 [2021-07-14 07:34:12,500 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:34:12,606 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2021-07-14 07:34:12,607 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:34:12,608 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 07:34:12,608 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:103, output treesize:15 [2021-07-14 07:34:13,586 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 0 proven. 234 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:34:13,586 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [114844741] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:34:13,586 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 07:34:13,586 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 33] total 60 [2021-07-14 07:34:13,586 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360836228] [2021-07-14 07:34:13,587 INFO L462 AbstractCegarLoop]: Interpolant automaton has 60 states [2021-07-14 07:34:13,587 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 07:34:13,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2021-07-14 07:34:13,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=371, Invalid=3169, Unknown=0, NotChecked=0, Total=3540 [2021-07-14 07:34:13,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:34:13,588 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 07:34:13,588 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 60 states, 60 states have (on average 2.05) internal successors, (123), 60 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 07:34:13,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 07:34:13,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 07:34:13,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 07:34:13,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 07:34:13,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 07:34:13,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 07:34:13,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 07:34:13,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-14 07:34:13,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-07-14 07:34:13,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 07:34:13,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-14 07:34:13,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:34:15,645 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2021-07-14 07:34:16,909 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2021-07-14 07:34:17,629 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 22 [2021-07-14 07:34:18,688 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 35 [2021-07-14 07:34:19,955 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 26 [2021-07-14 07:34:21,415 WARN L205 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 34 [2021-07-14 07:34:22,276 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 32 [2021-07-14 07:34:23,247 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2021-07-14 07:34:24,011 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 25 [2021-07-14 07:34:24,734 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2021-07-14 07:34:25,838 WARN L205 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 27 [2021-07-14 07:34:26,699 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 36 [2021-07-14 07:34:28,351 WARN L205 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 45 [2021-07-14 07:34:29,091 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-07-14 07:34:30,174 WARN L205 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 31 [2021-07-14 07:34:31,063 WARN L205 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 40 [2021-07-14 07:34:32,477 WARN L205 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 34 [2021-07-14 07:34:33,231 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-07-14 07:34:34,639 WARN L205 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 38 [2021-07-14 07:34:36,074 WARN L205 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 33 [2021-07-14 07:34:36,900 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-07-14 07:34:38,409 WARN L205 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 40 [2021-07-14 07:34:39,962 WARN L205 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 35 [2021-07-14 07:34:40,793 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-07-14 07:34:42,226 WARN L205 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 40 [2021-07-14 07:34:43,810 WARN L205 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 37 [2021-07-14 07:34:44,679 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-07-14 07:34:46,123 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 43 [2021-07-14 07:34:47,763 WARN L205 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 40 [2021-07-14 07:34:48,671 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-07-14 07:34:50,192 WARN L205 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 46 [2021-07-14 07:34:51,897 WARN L205 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 43 [2021-07-14 07:34:52,840 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-07-14 07:34:55,341 WARN L205 SmtUtils]: Spent 486.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-07-14 07:34:57,194 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 111 DAG size of output: 99 [2021-07-14 07:34:59,067 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 100 DAG size of output: 92 [2021-07-14 07:35:01,117 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 146 DAG size of output: 104 [2021-07-14 07:35:03,130 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 112 DAG size of output: 100 [2021-07-14 07:35:06,066 WARN L205 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 156 DAG size of output: 114 [2021-07-14 07:35:08,406 WARN L205 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 123 DAG size of output: 117 [2021-07-14 07:35:11,279 WARN L205 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 135 DAG size of output: 113 [2021-07-14 07:35:13,885 WARN L205 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 144 DAG size of output: 122 [2021-07-14 07:35:17,014 WARN L205 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 143 DAG size of output: 121 [2021-07-14 07:35:17,989 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-07-14 07:35:18,649 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-07-14 07:35:19,347 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-07-14 07:35:19,898 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-07-14 07:35:20,509 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-07-14 07:35:21,070 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-07-14 07:35:21,635 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-07-14 07:35:22,189 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-07-14 07:35:22,729 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 41 Received shutdown request... [2021-07-14 07:35:23,193 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90,14 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:35:23,194 WARN L547 AbstractCegarLoop]: Verification canceled [2021-07-14 07:35:23,198 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-14 07:35:23,199 WARN L196 ceAbstractionStarter]: Timeout [2021-07-14 07:35:23,200 INFO L202 PluginConnector]: Adding new model sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.07 07:35:23 BasicIcfg [2021-07-14 07:35:23,200 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-14 07:35:23,200 INFO L168 Benchmark]: Toolchain (without parser) took 872601.29 ms. Allocated memory was 184.5 MB in the beginning and 335.5 MB in the end (delta: 151.0 MB). Free memory was 164.1 MB in the beginning and 193.2 MB in the end (delta: -29.0 MB). Peak memory consumption was 123.5 MB. Max. memory is 8.0 GB. [2021-07-14 07:35:23,200 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 184.5 MB. Free memory is still 165.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 07:35:23,200 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.16 ms. Allocated memory is still 184.5 MB. Free memory was 164.0 MB in the beginning and 162.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-14 07:35:23,200 INFO L168 Benchmark]: Boogie Preprocessor took 15.56 ms. Allocated memory is still 184.5 MB. Free memory was 162.5 MB in the beginning and 161.6 MB in the end (delta: 932.4 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-14 07:35:23,200 INFO L168 Benchmark]: RCFGBuilder took 233.17 ms. Allocated memory is still 184.5 MB. Free memory was 161.5 MB in the beginning and 148.9 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-07-14 07:35:23,200 INFO L168 Benchmark]: TraceAbstraction took 872327.17 ms. Allocated memory was 184.5 MB in the beginning and 335.5 MB in the end (delta: 151.0 MB). Free memory was 148.5 MB in the beginning and 193.2 MB in the end (delta: -44.7 MB). Peak memory consumption was 107.8 MB. Max. memory is 8.0 GB. [2021-07-14 07:35:23,201 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 0.12 ms. Allocated memory is still 184.5 MB. Free memory is still 165.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 21.16 ms. Allocated memory is still 184.5 MB. Free memory was 164.0 MB in the beginning and 162.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 15.56 ms. Allocated memory is still 184.5 MB. Free memory was 162.5 MB in the beginning and 161.6 MB in the end (delta: 932.4 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 233.17 ms. Allocated memory is still 184.5 MB. Free memory was 161.5 MB in the beginning and 148.9 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 872327.17 ms. Allocated memory was 184.5 MB in the beginning and 335.5 MB in the end (delta: 151.0 MB). Free memory was 148.5 MB in the beginning and 193.2 MB in the end (delta: -44.7 MB). Peak memory consumption was 107.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6660, positive: 5644, positive conditional: 5644, positive unconditional: 0, negative: 1016, negative conditional: 1016, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 5644, positive: 5644, positive conditional: 5644, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 5644, positive: 5644, positive conditional: 0, positive unconditional: 5644, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 62, positive: 62, positive conditional: 0, positive unconditional: 62, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 62, positive: 62, positive conditional: 0, positive unconditional: 62, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5644, positive: 5582, positive conditional: 0, positive unconditional: 5582, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 62, unknown conditional: 0, unknown unconditional: 62] , Statistics on independence cache: Total cache size (in pairs): 62, Positive cache size: 62, Positive conditional cache size: 0, Positive unconditional cache size: 62, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 62, Positive cache size: 62, Positive conditional cache size: 0, Positive unconditional cache size: 62, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 62, Positive cache size: 62, Positive conditional cache size: 0, Positive unconditional cache size: 62, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 62, Positive cache size: 62, Positive conditional cache size: 0, Positive unconditional cache size: 62, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 62, Positive cache size: 62, Positive conditional cache size: 0, Positive unconditional cache size: 62, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 62, Positive cache size: 62, Positive conditional cache size: 0, Positive unconditional cache size: 62, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 62, Positive cache size: 62, Positive conditional cache size: 0, Positive unconditional cache size: 62, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 62, Positive cache size: 62, Positive conditional cache size: 0, Positive unconditional cache size: 62, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 62, Positive cache size: 62, Positive conditional cache size: 0, Positive unconditional cache size: 62, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 62, Positive cache size: 62, Positive conditional cache size: 0, Positive unconditional cache size: 62, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 62, Positive cache size: 62, Positive conditional cache size: 0, Positive unconditional cache size: 62, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 62, Positive cache size: 62, Positive conditional cache size: 0, Positive unconditional cache size: 62, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 62, Positive cache size: 62, Positive conditional cache size: 0, Positive unconditional cache size: 62, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 ], Maximal queried relation: 0, Independence queries for same thread: 1016 - TimeoutResultAtElement [Line: 66]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 112 known predicates. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 872227.0ms, OverallIterations: 12, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 14.6ms, PartialOrderReductionTime: 656332.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 563, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 85.2ms SsaConstructionTime, 409.6ms SatisfiabilityAnalysisTime, 212452.0ms InterpolantComputationTime, 1068 NumberOfCodeBlocks, 1068 NumberOfCodeBlocksAsserted, 72 NumberOfCheckSat, 1044 ConstructedInterpolants, 84 QuantifiedInterpolants, 52649 SizeOfPredicates, 76 NumberOfNonLiveVariables, 1371 ConjunctsInSsa, 727 ConjunctsInUnsatCore, 24 InterpolantComputations, 0 PerfectInterpolantSequences, 116/2070 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown