/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-Persistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d47b94137d5c7dd60722882962a90fb345e61909-d47b941 [2021-05-04 02:34:29,793 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-04 02:34:29,796 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-04 02:34:29,827 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-05-04 02:34:29,828 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-05-04 02:34:29,831 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-05-04 02:34:29,832 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-05-04 02:34:29,837 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-05-04 02:34:29,838 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-05-04 02:34:29,842 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-05-04 02:34:29,852 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-05-04 02:34:29,853 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-05-04 02:34:29,853 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-05-04 02:34:29,855 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-05-04 02:34:29,856 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-05-04 02:34:29,857 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-05-04 02:34:29,859 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-05-04 02:34:29,860 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-05-04 02:34:29,861 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-05-04 02:34:29,866 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-05-04 02:34:29,867 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-05-04 02:34:29,868 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-05-04 02:34:29,868 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-05-04 02:34:29,870 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-05-04 02:34:29,875 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-05-04 02:34:29,875 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-05-04 02:34:29,875 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-05-04 02:34:29,876 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-05-04 02:34:29,877 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-05-04 02:34:29,877 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-05-04 02:34:29,877 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-05-04 02:34:29,878 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-05-04 02:34:29,879 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-05-04 02:34:29,879 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-05-04 02:34:29,880 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-05-04 02:34:29,880 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-05-04 02:34:29,880 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-05-04 02:34:29,881 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-05-04 02:34:29,881 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-05-04 02:34:29,881 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-05-04 02:34:29,882 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-05-04 02:34:29,885 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-Persistent-NoLbe.epf [2021-05-04 02:34:29,915 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-04 02:34:29,915 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-04 02:34:29,916 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-05-04 02:34:29,916 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-05-04 02:34:29,918 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-05-04 02:34:29,918 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-05-04 02:34:29,918 INFO L138 SettingsManager]: * Use SBE=true [2021-05-04 02:34:29,918 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-04 02:34:29,918 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-04 02:34:29,919 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-04 02:34:29,919 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-04 02:34:29,919 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-04 02:34:29,919 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-04 02:34:29,920 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-04 02:34:29,920 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-04 02:34:29,920 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-04 02:34:29,920 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-04 02:34:29,920 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-04 02:34:29,920 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-04 02:34:29,920 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-04 02:34:29,920 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-04 02:34:29,920 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-05-04 02:34:29,921 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-04 02:34:29,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-04 02:34:29,921 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-04 02:34:29,921 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-05-04 02:34:29,921 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-05-04 02:34:29,921 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-05-04 02:34:29,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-05-04 02:34:29,921 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-05-04 02:34:29,921 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-05-04 02:34:29,922 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-05-04 02:34:29,922 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SETS [2021-05-04 02:34:29,922 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-05-04 02:34:30,198 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-04 02:34:30,213 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-04 02:34:30,214 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-04 02:34:30,215 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-05-04 02:34:30,216 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-05-04 02:34:30,217 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun.wvr.bpl [2021-05-04 02:34:30,217 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun.wvr.bpl' [2021-05-04 02:34:30,257 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-04 02:34:30,259 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-05-04 02:34:30,260 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-05-04 02:34:30,260 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-05-04 02:34:30,261 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-05-04 02:34:30,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 02:34:30" (1/1) ... [2021-05-04 02:34:30,275 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 02:34:30" (1/1) ... [2021-05-04 02:34:30,281 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-05-04 02:34:30,283 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-04 02:34:30,283 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-04 02:34:30,283 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-04 02:34:30,288 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 02:34:30" (1/1) ... [2021-05-04 02:34:30,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 02:34:30" (1/1) ... [2021-05-04 02:34:30,288 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 02:34:30" (1/1) ... [2021-05-04 02:34:30,289 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 02:34:30" (1/1) ... [2021-05-04 02:34:30,290 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 02:34:30" (1/1) ... [2021-05-04 02:34:30,293 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 02:34:30" (1/1) ... [2021-05-04 02:34:30,293 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 02:34:30" (1/1) ... [2021-05-04 02:34:30,294 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-04 02:34:30,294 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-04 02:34:30,295 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-04 02:34:30,295 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-04 02:34:30,296 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 02:34:30" (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 [2021-05-04 02:34:30,346 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-05-04 02:34:30,346 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-05-04 02:34:30,346 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-05-04 02:34:30,346 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-05-04 02:34:30,347 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-05-04 02:34:30,347 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-05-04 02:34:30,347 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-05-04 02:34:30,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-04 02:34:30,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-04 02:34:30,347 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-05-04 02:34:30,347 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-05-04 02:34:30,347 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-05-04 02:34:30,348 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-05-04 02:34:30,477 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-04 02:34:30,477 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-05-04 02:34:30,479 INFO L202 PluginConnector]: Adding new model sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 02:34:30 BoogieIcfgContainer [2021-05-04 02:34:30,479 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-04 02:34:30,480 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-04 02:34:30,481 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-04 02:34:30,483 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-04 02:34:30,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 02:34:30" (1/2) ... [2021-05-04 02:34:30,485 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dcf20aa and model type sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 02:34:30, skipping insertion in model container [2021-05-04 02:34:30,485 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 02:34:30" (2/2) ... [2021-05-04 02:34:30,486 INFO L111 eAbstractionObserver]: Analyzing ICFG sum-fun.wvr.bpl [2021-05-04 02:34:30,493 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-05-04 02:34:30,493 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-05-04 02:34:30,496 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-05-04 02:34:30,496 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-05-04 02:34:30,521 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-05-04 02:34:30,534 INFO L253 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 [2021-05-04 02:34:30,579 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-05-04 02:34:30,579 INFO L377 AbstractCegarLoop]: Hoare is true [2021-05-04 02:34:30,579 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-04 02:34:30,580 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-04 02:34:30,580 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-04 02:34:30,580 INFO L381 AbstractCegarLoop]: Difference is false [2021-05-04 02:34:30,580 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-04 02:34:30,580 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-04 02:34:30,750 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 02:34:30,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 02:34:30,762 INFO L82 PathProgramCache]: Analyzing trace with hash -1670711236, now seen corresponding path program 1 times [2021-05-04 02:34:30,770 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 02:34:30,770 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816861204] [2021-05-04 02:34:30,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 02:34:30,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 02:34:30,958 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-04 02:34:30,959 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816861204] [2021-05-04 02:34:30,959 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-04 02:34:30,959 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-05-04 02:34:30,960 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218498766] [2021-05-04 02:34:30,964 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-05-04 02:34:30,964 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-04 02:34:30,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-05-04 02:34:30,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-05-04 02:34:30,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-04 02:34:30,977 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-04 02:34:30,979 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-04 02:34:30,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-04 02:34:31,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 02:34:31,038 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-05-04 02:34:31,039 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 02:34:31,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 02:34:31,042 INFO L82 PathProgramCache]: Analyzing trace with hash -889499302, now seen corresponding path program 1 times [2021-05-04 02:34:31,042 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 02:34:31,043 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178744477] [2021-05-04 02:34:31,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 02:34:31,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 02:34:31,296 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 02:34:31,297 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178744477] [2021-05-04 02:34:31,298 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2088599317] [2021-05-04 02:34:31,298 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 [2021-05-04 02:34:31,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 02:34:31,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 19 conjunts are in the unsatisfiable core [2021-05-04 02:34:31,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-04 02:34:31,585 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:34:31,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-05-04 02:34:31,599 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-04 02:34:31,604 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 02:34:31,607 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-04 02:34:31,607 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:20, output treesize:7 [2021-05-04 02:34:31,628 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 02:34:31,628 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-04 02:34:31,628 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-05-04 02:34:31,629 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665930771] [2021-05-04 02:34:31,629 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-05-04 02:34:31,629 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-04 02:34:31,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-05-04 02:34:31,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-05-04 02:34:31,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-04 02:34:31,630 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-04 02:34:31,631 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 3.0) internal successors, (36), 11 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-04 02:34:31,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 02:34:31,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-04 02:34:31,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 02:34:31,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 02:34:31,959 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-04 02:34:31,960 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 02:34:31,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 02:34:31,961 INFO L82 PathProgramCache]: Analyzing trace with hash -1764107528, now seen corresponding path program 2 times [2021-05-04 02:34:31,961 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 02:34:31,961 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001233792] [2021-05-04 02:34:31,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 02:34:31,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 02:34:32,042 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 02:34:32,042 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001233792] [2021-05-04 02:34:32,043 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [776971347] [2021-05-04 02:34:32,043 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 [2021-05-04 02:34:32,071 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-04 02:34:32,071 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-04 02:34:32,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjunts are in the unsatisfiable core [2021-05-04 02:34:32,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-04 02:34:32,186 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 02:34:32,187 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-04 02:34:32,187 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-05-04 02:34:32,187 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646296820] [2021-05-04 02:34:32,188 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-05-04 02:34:32,188 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-04 02:34:32,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-05-04 02:34:32,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-05-04 02:34:32,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-04 02:34:32,189 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-04 02:34:32,189 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-04 02:34:32,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 02:34:32,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 02:34:32,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-04 02:34:32,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 02:34:32,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 02:34:32,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-04 02:34:32,488 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-04 02:34:32,491 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 02:34:32,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 02:34:32,491 INFO L82 PathProgramCache]: Analyzing trace with hash 1967170492, now seen corresponding path program 1 times [2021-05-04 02:34:32,492 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 02:34:32,492 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052221353] [2021-05-04 02:34:32,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 02:34:32,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 02:34:32,539 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-04 02:34:32,539 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052221353] [2021-05-04 02:34:32,539 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [680358830] [2021-05-04 02:34:32,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-04 02:34:32,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 02:34:32,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2021-05-04 02:34:32,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-04 02:34:32,652 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-04 02:34:32,653 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-04 02:34:32,653 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-05-04 02:34:32,653 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393698571] [2021-05-04 02:34:32,653 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-05-04 02:34:32,653 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-04 02:34:32,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-05-04 02:34:32,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-05-04 02:34:32,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-04 02:34:32,654 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-04 02:34:32,654 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-04 02:34:32,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 02:34:32,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 02:34:32,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-04 02:34:32,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-04 02:34:32,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 02:34:32,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 02:34:32,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-04 02:34:32,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-04 02:34:32,962 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-04 02:34:32,963 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 02:34:32,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 02:34:32,964 INFO L82 PathProgramCache]: Analyzing trace with hash 1047330522, now seen corresponding path program 2 times [2021-05-04 02:34:32,964 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 02:34:32,964 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619141808] [2021-05-04 02:34:32,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 02:34:32,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 02:34:33,310 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 02:34:33,310 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619141808] [2021-05-04 02:34:33,311 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [209886074] [2021-05-04 02:34:33,311 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-04 02:34:33,354 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-04 02:34:33,355 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-04 02:34:33,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 34 conjunts are in the unsatisfiable core [2021-05-04 02:34:33,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-04 02:34:33,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:34:33,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:34:33,857 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:34:33,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-05-04 02:34:33,859 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-04 02:34:33,863 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 02:34:33,865 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-04 02:34:33,865 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:36, output treesize:5 [2021-05-04 02:34:33,887 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 02:34:33,887 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-04 02:34:33,887 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 22 [2021-05-04 02:34:33,887 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179865232] [2021-05-04 02:34:33,888 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-05-04 02:34:33,888 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-04 02:34:33,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-05-04 02:34:33,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=380, Unknown=0, NotChecked=0, Total=462 [2021-05-04 02:34:33,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-04 02:34:33,889 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-04 02:34:33,889 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 2.409090909090909) internal successors, (53), 22 states have internal predecessors, (53), 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) [2021-05-04 02:34:33,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 02:34:33,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 02:34:33,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-04 02:34:33,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-04 02:34:33,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-04 02:34:34,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 02:34:34,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 02:34:34,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-04 02:34:34,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-04 02:34:34,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-04 02:34:34,541 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-04 02:34:34,541 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 02:34:34,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 02:34:34,542 INFO L82 PathProgramCache]: Analyzing trace with hash 1844382328, now seen corresponding path program 3 times [2021-05-04 02:34:34,542 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 02:34:34,542 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083627888] [2021-05-04 02:34:34,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 02:34:34,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 02:34:34,614 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 02:34:34,615 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083627888] [2021-05-04 02:34:34,615 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1547987447] [2021-05-04 02:34:34,615 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-04 02:34:34,641 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-05-04 02:34:34,641 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-04 02:34:34,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjunts are in the unsatisfiable core [2021-05-04 02:34:34,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-04 02:34:34,814 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 02:34:34,814 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-04 02:34:34,814 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-05-04 02:34:34,814 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020114631] [2021-05-04 02:34:34,815 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-05-04 02:34:34,815 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-04 02:34:34,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-05-04 02:34:34,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-05-04 02:34:34,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-04 02:34:34,816 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-04 02:34:34,816 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 2.55) internal successors, (51), 20 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-04 02:34:34,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 02:34:34,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 02:34:34,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-04 02:34:34,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-04 02:34:34,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-04 02:34:34,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-04 02:34:35,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 02:34:35,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 02:34:35,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-04 02:34:35,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-04 02:34:35,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-04 02:34:35,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-05-04 02:34:35,209 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-04 02:34:35,209 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 02:34:35,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 02:34:35,210 INFO L82 PathProgramCache]: Analyzing trace with hash 1462899516, now seen corresponding path program 4 times [2021-05-04 02:34:35,210 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 02:34:35,210 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551147264] [2021-05-04 02:34:35,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 02:34:35,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 02:34:35,293 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-04 02:34:35,294 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551147264] [2021-05-04 02:34:35,294 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [486592167] [2021-05-04 02:34:35,294 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-04 02:34:35,324 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-04 02:34:35,324 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-04 02:34:35,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjunts are in the unsatisfiable core [2021-05-04 02:34:35,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-04 02:34:35,462 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-04 02:34:35,463 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-04 02:34:35,463 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-05-04 02:34:35,463 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563696842] [2021-05-04 02:34:35,463 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-05-04 02:34:35,463 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-04 02:34:35,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-05-04 02:34:35,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-05-04 02:34:35,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-04 02:34:35,464 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-04 02:34:35,464 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 2.823529411764706) internal successors, (48), 17 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-04 02:34:35,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 02:34:35,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 02:34:35,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-04 02:34:35,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-04 02:34:35,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-04 02:34:35,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-05-04 02:34:35,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-04 02:34:35,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 02:34:35,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 02:34:35,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-04 02:34:35,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-04 02:34:35,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-04 02:34:35,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-05-04 02:34:35,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-04 02:34:35,783 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-04 02:34:35,783 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 02:34:35,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 02:34:35,784 INFO L82 PathProgramCache]: Analyzing trace with hash -405245862, now seen corresponding path program 5 times [2021-05-04 02:34:35,784 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 02:34:35,784 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663459626] [2021-05-04 02:34:35,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 02:34:35,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 02:34:36,258 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 02:34:36,259 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663459626] [2021-05-04 02:34:36,259 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [488575656] [2021-05-04 02:34:36,259 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-04 02:34:36,289 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-05-04 02:34:36,289 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-04 02:34:36,290 WARN L261 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 49 conjunts are in the unsatisfiable core [2021-05-04 02:34:36,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-04 02:34:37,049 INFO L354 Elim1Store]: treesize reduction 48, result has 60.3 percent of original size [2021-05-04 02:34:37,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 103 treesize of output 128 [2021-05-04 02:34:37,090 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-04 02:34:37,143 INFO L628 ElimStorePlain]: treesize reduction 585, result has 4.4 percent of original size [2021-05-04 02:34:37,152 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-05-04 02:34:37,152 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:119, output treesize:21 [2021-05-04 02:34:37,212 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 02:34:37,212 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-04 02:34:37,212 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 31 [2021-05-04 02:34:37,212 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238652293] [2021-05-04 02:34:37,213 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-05-04 02:34:37,214 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-04 02:34:37,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-05-04 02:34:37,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=842, Unknown=0, NotChecked=0, Total=930 [2021-05-04 02:34:37,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-04 02:34:37,222 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-04 02:34:37,222 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 2.2903225806451615) internal successors, (71), 31 states have internal predecessors, (71), 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) [2021-05-04 02:34:37,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 02:34:37,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 02:34:37,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-04 02:34:37,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-04 02:34:37,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-04 02:34:37,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-05-04 02:34:37,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-04 02:34:37,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-04 02:34:38,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 02:34:38,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 02:34:38,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-04 02:34:38,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-04 02:34:38,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-04 02:34:38,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-05-04 02:34:38,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-04 02:34:38,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-04 02:34:38,759 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-05-04 02:34:38,759 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 02:34:38,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 02:34:38,759 INFO L82 PathProgramCache]: Analyzing trace with hash -396624392, now seen corresponding path program 6 times [2021-05-04 02:34:38,760 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 02:34:38,760 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170274494] [2021-05-04 02:34:38,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 02:34:38,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 02:34:38,863 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 16 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 02:34:38,863 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170274494] [2021-05-04 02:34:38,863 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1872681886] [2021-05-04 02:34:38,863 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-04 02:34:38,891 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-05-04 02:34:38,891 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-04 02:34:38,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 15 conjunts are in the unsatisfiable core [2021-05-04 02:34:38,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-04 02:34:39,155 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 25 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 02:34:39,155 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-04 02:34:39,155 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 28 [2021-05-04 02:34:39,155 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653459298] [2021-05-04 02:34:39,156 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-05-04 02:34:39,156 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-04 02:34:39,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-05-04 02:34:39,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=617, Unknown=0, NotChecked=0, Total=756 [2021-05-04 02:34:39,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-04 02:34:39,157 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-04 02:34:39,157 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 2.392857142857143) internal successors, (67), 28 states have internal predecessors, (67), 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) [2021-05-04 02:34:39,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 02:34:39,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 02:34:39,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-04 02:34:39,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-04 02:34:39,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-04 02:34:39,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-05-04 02:34:39,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-04 02:34:39,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-04 02:34:39,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-04 02:34:39,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 02:34:39,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 02:34:39,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-04 02:34:39,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-04 02:34:39,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-04 02:34:39,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-05-04 02:34:39,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-04 02:34:39,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-04 02:34:39,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-05-04 02:34:39,702 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-05-04 02:34:39,703 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 02:34:39,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 02:34:39,703 INFO L82 PathProgramCache]: Analyzing trace with hash 586761916, now seen corresponding path program 7 times [2021-05-04 02:34:39,704 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 02:34:39,704 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603261306] [2021-05-04 02:34:39,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 02:34:39,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 02:34:39,827 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-04 02:34:39,828 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603261306] [2021-05-04 02:34:39,828 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1555178062] [2021-05-04 02:34:39,828 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 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 [2021-05-04 02:34:39,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 02:34:39,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 15 conjunts are in the unsatisfiable core [2021-05-04 02:34:39,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-04 02:34:40,011 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-04 02:34:40,011 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-04 02:34:40,011 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 23 [2021-05-04 02:34:40,011 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406164776] [2021-05-04 02:34:40,012 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-05-04 02:34:40,012 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-04 02:34:40,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-05-04 02:34:40,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=364, Unknown=0, NotChecked=0, Total=506 [2021-05-04 02:34:40,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-04 02:34:40,013 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-04 02:34:40,013 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.608695652173913) internal successors, (60), 23 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) [2021-05-04 02:34:40,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 02:34:40,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 02:34:40,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-04 02:34:40,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-04 02:34:40,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-04 02:34:40,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-05-04 02:34:40,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-04 02:34:40,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-04 02:34:40,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-05-04 02:34:40,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-04 02:34:40,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 02:34:40,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 02:34:40,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-04 02:34:40,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-04 02:34:40,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-04 02:34:40,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-05-04 02:34:40,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-04 02:34:40,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-04 02:34:40,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-05-04 02:34:40,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-04 02:34:40,358 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-05-04 02:34:40,358 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 02:34:40,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 02:34:40,359 INFO L82 PathProgramCache]: Analyzing trace with hash -369646118, now seen corresponding path program 8 times [2021-05-04 02:34:40,359 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 02:34:40,359 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401601842] [2021-05-04 02:34:40,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 02:34:40,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 02:34:41,185 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 16 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 02:34:41,185 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401601842] [2021-05-04 02:34:41,186 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [364172944] [2021-05-04 02:34:41,186 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 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 [2021-05-04 02:34:41,217 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-04 02:34:41,217 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-04 02:34:41,218 WARN L261 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 66 conjunts are in the unsatisfiable core [2021-05-04 02:34:41,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-04 02:34:42,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:34:42,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:34:42,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:34:42,088 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:34:42,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:34:42,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:34:42,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:34:42,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 23 [2021-05-04 02:34:42,093 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-04 02:34:42,098 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 02:34:42,099 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-04 02:34:42,099 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:60, output treesize:5 [2021-05-04 02:34:42,130 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 02:34:42,130 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-04 02:34:42,130 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 21] total 39 [2021-05-04 02:34:42,131 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649406579] [2021-05-04 02:34:42,131 INFO L460 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-05-04 02:34:42,131 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-04 02:34:42,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-05-04 02:34:42,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=1323, Unknown=0, NotChecked=0, Total=1482 [2021-05-04 02:34:42,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-04 02:34:42,132 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-04 02:34:42,132 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 2.1794871794871793) internal successors, (85), 39 states have internal predecessors, (85), 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) [2021-05-04 02:34:42,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 02:34:42,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 02:34:42,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-04 02:34:42,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-04 02:34:42,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-04 02:34:42,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-05-04 02:34:42,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-04 02:34:42,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-04 02:34:42,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-05-04 02:34:42,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-04 02:34:42,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-04 02:34:43,340 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 102 [2021-05-04 02:34:43,775 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 93 [2021-05-04 02:34:44,020 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2021-05-04 02:34:44,182 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2021-05-04 02:34:44,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 02:34:44,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 02:34:44,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-04 02:34:44,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-04 02:34:44,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-04 02:34:44,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-05-04 02:34:44,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-04 02:34:44,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-04 02:34:44,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-05-04 02:34:44,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-04 02:34:44,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-05-04 02:34:45,040 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-05-04 02:34:45,041 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 02:34:45,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 02:34:45,042 INFO L82 PathProgramCache]: Analyzing trace with hash -1956324680, now seen corresponding path program 9 times [2021-05-04 02:34:45,042 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 02:34:45,042 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978285748] [2021-05-04 02:34:45,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 02:34:45,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 02:34:45,249 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 49 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 02:34:45,249 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978285748] [2021-05-04 02:34:45,249 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1992297396] [2021-05-04 02:34:45,250 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 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 [2021-05-04 02:34:45,286 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2021-05-04 02:34:45,287 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-04 02:34:45,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 21 conjunts are in the unsatisfiable core [2021-05-04 02:34:45,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-04 02:34:45,729 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 64 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 02:34:45,729 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-04 02:34:45,729 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 40 [2021-05-04 02:34:45,729 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836147347] [2021-05-04 02:34:45,730 INFO L460 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-05-04 02:34:45,730 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-04 02:34:45,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-05-04 02:34:45,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=283, Invalid=1277, Unknown=0, NotChecked=0, Total=1560 [2021-05-04 02:34:45,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-04 02:34:45,731 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-04 02:34:45,731 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 2.275) internal successors, (91), 40 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) [2021-05-04 02:34:45,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 02:34:45,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 02:34:45,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-04 02:34:45,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-04 02:34:45,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-04 02:34:45,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-05-04 02:34:45,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-04 02:34:45,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-04 02:34:45,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-05-04 02:34:45,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-04 02:34:45,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-05-04 02:34:45,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-04 02:34:46,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 02:34:46,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 02:34:46,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-04 02:34:46,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-04 02:34:46,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-04 02:34:46,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-05-04 02:34:46,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-04 02:34:46,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-04 02:34:46,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-05-04 02:34:46,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-04 02:34:46,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-05-04 02:34:46,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-05-04 02:34:46,473 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-05-04 02:34:46,473 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 02:34:46,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 02:34:46,473 INFO L82 PathProgramCache]: Analyzing trace with hash 684049276, now seen corresponding path program 10 times [2021-05-04 02:34:46,473 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 02:34:46,474 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450962444] [2021-05-04 02:34:46,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 02:34:46,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 02:34:46,662 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 81 proven. 81 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-04 02:34:46,662 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450962444] [2021-05-04 02:34:46,662 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [608810902] [2021-05-04 02:34:46,663 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 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 [2021-05-04 02:34:46,704 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-04 02:34:46,705 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-04 02:34:46,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 21 conjunts are in the unsatisfiable core [2021-05-04 02:34:46,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-04 02:34:46,955 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 81 proven. 81 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-04 02:34:46,956 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-04 02:34:46,956 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 32 [2021-05-04 02:34:46,956 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340526668] [2021-05-04 02:34:46,957 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-05-04 02:34:46,957 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-04 02:34:46,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-05-04 02:34:46,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=262, Invalid=730, Unknown=0, NotChecked=0, Total=992 [2021-05-04 02:34:46,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-04 02:34:46,958 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-04 02:34:46,958 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 2.4375) internal successors, (78), 32 states have internal predecessors, (78), 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) [2021-05-04 02:34:46,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 02:34:46,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 02:34:46,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-04 02:34:46,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-04 02:34:46,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-04 02:34:46,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-05-04 02:34:46,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-04 02:34:46,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-04 02:34:46,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-05-04 02:34:46,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-04 02:34:46,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-05-04 02:34:46,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-05-04 02:34:46,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-04 02:34:47,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 02:34:47,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 02:34:47,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-04 02:34:47,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-04 02:34:47,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-04 02:34:47,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-05-04 02:34:47,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-04 02:34:47,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-04 02:34:47,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-05-04 02:34:47,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-04 02:34:47,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-05-04 02:34:47,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-05-04 02:34:47,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-05-04 02:34:47,380 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,14 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-04 02:34:47,381 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 02:34:47,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 02:34:47,381 INFO L82 PathProgramCache]: Analyzing trace with hash -175610470, now seen corresponding path program 11 times [2021-05-04 02:34:47,382 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 02:34:47,382 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008973926] [2021-05-04 02:34:47,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 02:34:47,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 02:34:48,677 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 49 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 02:34:48,677 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008973926] [2021-05-04 02:34:48,678 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [568531264] [2021-05-04 02:34:48,678 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 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-04 02:34:48,715 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2021-05-04 02:34:48,716 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-04 02:34:48,723 WARN L261 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 90 conjunts are in the unsatisfiable core [2021-05-04 02:34:48,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-04 02:34:50,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:34:50,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:34:50,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:34:50,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:34:50,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:34:50,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:34:50,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:34:50,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:34:50,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:34:50,188 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 02:34:50,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 45 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 10 case distinctions, treesize of input 69 treesize of output 109 [2021-05-04 02:34:50,200 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-05-04 02:34:50,209 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 02:34:50,215 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-05-04 02:34:50,215 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:83, output treesize:23 [2021-05-04 02:34:50,307 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 02:34:50,307 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-04 02:34:50,308 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 27] total 53 [2021-05-04 02:34:50,308 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132431042] [2021-05-04 02:34:50,308 INFO L460 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-05-04 02:34:50,308 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-04 02:34:50,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-05-04 02:34:50,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=305, Invalid=2451, Unknown=0, NotChecked=0, Total=2756 [2021-05-04 02:34:50,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-04 02:34:50,309 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-04 02:34:50,310 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 53 states, 53 states have (on average 2.0943396226415096) internal successors, (111), 53 states have internal predecessors, (111), 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) [2021-05-04 02:34:50,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 02:34:50,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 02:34:50,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-04 02:34:50,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-04 02:34:50,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-04 02:34:50,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-05-04 02:34:50,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-04 02:34:50,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-04 02:34:50,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-05-04 02:34:50,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-04 02:34:50,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-05-04 02:34:50,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-05-04 02:34:50,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-05-04 02:34:50,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-04 02:34:51,194 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 53 [2021-05-04 02:34:53,043 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 123 [2021-05-04 02:34:53,420 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 109 [2021-05-04 02:34:53,730 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 103 [2021-05-04 02:34:53,932 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 105 [2021-05-04 02:34:55,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 02:34:55,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 02:34:55,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-04 02:34:55,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-04 02:34:55,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-04 02:34:55,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-05-04 02:34:55,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-04 02:34:55,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-04 02:34:55,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-05-04 02:34:55,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-04 02:34:55,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-05-04 02:34:55,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-05-04 02:34:55,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-05-04 02:34:55,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-05-04 02:34:55,354 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-04 02:34:55,354 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 02:34:55,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 02:34:55,357 INFO L82 PathProgramCache]: Analyzing trace with hash 234188920, now seen corresponding path program 12 times [2021-05-04 02:34:55,357 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 02:34:55,357 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411986392] [2021-05-04 02:34:55,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 02:34:55,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 02:34:55,648 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 100 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 02:34:55,648 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411986392] [2021-05-04 02:34:55,648 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [686401662] [2021-05-04 02:34:55,648 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 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-04 02:34:55,713 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 13 check-sat command(s) [2021-05-04 02:34:55,713 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-04 02:34:55,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 27 conjunts are in the unsatisfiable core [2021-05-04 02:34:55,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-04 02:34:56,421 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 121 proven. 124 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 02:34:56,421 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-04 02:34:56,421 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 52 [2021-05-04 02:34:56,421 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459660887] [2021-05-04 02:34:56,421 INFO L460 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-05-04 02:34:56,422 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-04 02:34:56,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-05-04 02:34:56,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=481, Invalid=2171, Unknown=0, NotChecked=0, Total=2652 [2021-05-04 02:34:56,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-04 02:34:56,423 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-04 02:34:56,428 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 52 states, 52 states have (on average 2.2115384615384617) internal successors, (115), 52 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) [2021-05-04 02:34:56,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 02:34:56,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 02:34:56,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-04 02:34:56,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-04 02:34:56,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-04 02:34:56,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-05-04 02:34:56,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-04 02:34:56,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-04 02:34:56,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-05-04 02:34:56,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-04 02:34:56,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-05-04 02:34:56,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-05-04 02:34:56,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-05-04 02:34:56,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-05-04 02:34:56,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-04 02:34:57,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 02:34:57,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 02:34:57,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-04 02:34:57,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-04 02:34:57,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-04 02:34:57,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-05-04 02:34:57,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-04 02:34:57,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-04 02:34:57,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-05-04 02:34:57,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-04 02:34:57,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-05-04 02:34:57,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-05-04 02:34:57,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-05-04 02:34:57,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-05-04 02:34:57,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-05-04 02:34:57,529 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2021-05-04 02:34:57,529 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 02:34:57,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 02:34:57,529 INFO L82 PathProgramCache]: Analyzing trace with hash 563444028, now seen corresponding path program 13 times [2021-05-04 02:34:57,530 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 02:34:57,530 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39001498] [2021-05-04 02:34:57,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 02:34:57,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 02:34:57,817 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 144 proven. 144 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-04 02:34:57,818 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39001498] [2021-05-04 02:34:57,818 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [757639182] [2021-05-04 02:34:57,818 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 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-04 02:34:57,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 02:34:57,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 27 conjunts are in the unsatisfiable core [2021-05-04 02:34:57,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-04 02:34:58,207 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 144 proven. 144 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-04 02:34:58,207 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-04 02:34:58,207 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 41 [2021-05-04 02:34:58,208 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370553642] [2021-05-04 02:34:58,208 INFO L460 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-05-04 02:34:58,208 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-04 02:34:58,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-05-04 02:34:58,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=418, Invalid=1222, Unknown=0, NotChecked=0, Total=1640 [2021-05-04 02:34:58,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-04 02:34:58,209 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-04 02:34:58,209 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 41 states, 41 states have (on average 2.341463414634146) internal successors, (96), 41 states have internal predecessors, (96), 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) [2021-05-04 02:34:58,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 02:34:58,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 02:34:58,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-04 02:34:58,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-04 02:34:58,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-04 02:34:58,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-05-04 02:34:58,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-04 02:34:58,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-04 02:34:58,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-05-04 02:34:58,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-04 02:34:58,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-05-04 02:34:58,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-05-04 02:34:58,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-05-04 02:34:58,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-05-04 02:34:58,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-05-04 02:34:58,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-04 02:34:58,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 02:34:58,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 02:34:58,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-04 02:34:58,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-04 02:34:58,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-04 02:34:58,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-05-04 02:34:58,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-04 02:34:58,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-04 02:34:58,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-05-04 02:34:58,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-04 02:34:58,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-05-04 02:34:58,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-05-04 02:34:58,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-05-04 02:34:58,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-05-04 02:34:58,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-05-04 02:34:58,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-05-04 02:34:58,753 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-04 02:34:58,753 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 02:34:58,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 02:34:58,754 INFO L82 PathProgramCache]: Analyzing trace with hash -1194336678, now seen corresponding path program 14 times [2021-05-04 02:34:58,754 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 02:34:58,754 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098998346] [2021-05-04 02:34:58,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 02:34:58,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 02:35:00,646 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 66 proven. 248 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 02:35:00,646 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098998346] [2021-05-04 02:35:00,647 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1637363339] [2021-05-04 02:35:00,647 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 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-04 02:35:00,684 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-04 02:35:00,684 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-04 02:35:00,685 WARN L261 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 114 conjunts are in the unsatisfiable core [2021-05-04 02:35:00,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-04 02:35:03,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:03,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:03,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:03,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:03,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:03,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:03,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:03,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:03,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:03,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:03,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:03,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:03,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:03,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:03,118 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:35:03,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:03,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:03,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:03,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:03,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:03,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 78 disjoint index pairs (out of 91 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 35 [2021-05-04 02:35:03,128 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-04 02:35:03,134 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 02:35:03,135 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-04 02:35:03,135 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:96, output treesize:5 [2021-05-04 02:35:03,175 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 0 proven. 314 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 02:35:03,176 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-04 02:35:03,176 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 33] total 63 [2021-05-04 02:35:03,176 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348129239] [2021-05-04 02:35:03,176 INFO L460 AbstractCegarLoop]: Interpolant automaton has 63 states [2021-05-04 02:35:03,176 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-04 02:35:03,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2021-05-04 02:35:03,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=360, Invalid=3546, Unknown=0, NotChecked=0, Total=3906 [2021-05-04 02:35:03,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-04 02:35:03,179 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-04 02:35:03,179 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 63 states, 63 states have (on average 2.111111111111111) internal successors, (133), 63 states have internal predecessors, (133), 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) [2021-05-04 02:35:03,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 02:35:03,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 02:35:03,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-04 02:35:03,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-04 02:35:03,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-04 02:35:03,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-05-04 02:35:03,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-04 02:35:03,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-04 02:35:03,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-05-04 02:35:03,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-04 02:35:03,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-05-04 02:35:03,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-05-04 02:35:03,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-05-04 02:35:03,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-05-04 02:35:03,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-05-04 02:35:03,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-05-04 02:35:03,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-04 02:35:06,917 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 134 [2021-05-04 02:35:07,314 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 144 [2021-05-04 02:35:07,583 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 104 [2021-05-04 02:35:07,782 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 106 [2021-05-04 02:35:08,014 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 116 [2021-05-04 02:35:08,253 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 111 [2021-05-04 02:35:10,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 02:35:10,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 02:35:10,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-04 02:35:10,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-04 02:35:10,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-04 02:35:10,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-05-04 02:35:10,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-04 02:35:10,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-04 02:35:10,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-05-04 02:35:10,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-04 02:35:10,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-05-04 02:35:10,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-05-04 02:35:10,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-05-04 02:35:10,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-05-04 02:35:10,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-05-04 02:35:10,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-05-04 02:35:10,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-05-04 02:35:10,789 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2021-05-04 02:35:10,789 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 02:35:10,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 02:35:10,790 INFO L82 PathProgramCache]: Analyzing trace with hash -127670118, now seen corresponding path program 15 times [2021-05-04 02:35:10,790 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 02:35:10,790 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469423835] [2021-05-04 02:35:10,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 02:35:10,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 02:35:12,877 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 65 proven. 301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 02:35:12,877 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469423835] [2021-05-04 02:35:12,877 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1607664604] [2021-05-04 02:35:12,877 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 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-04 02:35:12,925 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2021-05-04 02:35:12,925 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-04 02:35:12,927 WARN L261 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 126 conjunts are in the unsatisfiable core [2021-05-04 02:35:12,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-04 02:35:16,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:35:16,645 INFO L244 Elim1Store]: Index analysis took 127 ms [2021-05-04 02:35:16,839 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2021-05-04 02:35:16,840 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 02:35:16,840 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 21 select indices, 21 select index equivalence classes, 182 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 28 case distinctions, treesize of input 105 treesize of output 315 [2021-05-04 02:35:17,787 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 1518 DAG size of output: 1186 [2021-05-04 02:35:18,430 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 2473 DAG size of output: 1754 [2021-05-04 02:35:18,618 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 2479 DAG size of output: 1760 [2021-05-04 02:35:18,744 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 1625 DAG size of output: 1408 [2021-05-04 02:35:19,632 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 931 DAG size of output: 947 [2021-05-04 02:35:20,195 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 2301 DAG size of output: 1544 [2021-05-04 02:35:20,477 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 4153 DAG size of output: 2611 [2021-05-04 02:35:20,744 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 4153 DAG size of output: 2611 [2021-05-04 02:35:21,034 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 4156 DAG size of output: 2614 [2021-05-04 02:35:21,231 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 2536 DAG size of output: 2086 [2021-05-04 02:35:22,526 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 1550 DAG size of output: 1011 [2021-05-04 02:35:23,122 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 2890 DAG size of output: 1770 [2021-05-04 02:35:23,670 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 4425 DAG size of output: 2690 [2021-05-04 02:35:24,085 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 4425 DAG size of output: 2690 [2021-05-04 02:35:24,467 WARN L205 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 4427 DAG size of output: 2673 [2021-05-04 02:35:24,679 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 2564 DAG size of output: 2121 [2021-05-04 02:35:24,928 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 1474 DAG size of output: 1459 [2021-05-04 02:35:26,008 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 2265 DAG size of output: 869 [2021-05-04 02:35:26,456 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 3313 DAG size of output: 267 [2021-05-04 02:35:26,626 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 3313 DAG size of output: 267 [2021-05-04 02:35:26,847 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 3322 DAG size of output: 1160 [2021-05-04 02:37:56,673 WARN L205 SmtUtils]: Spent 2.36 m on a formula simplification. DAG size of input: 32649 DAG size of output: 32019 [2021-05-04 02:38:33,804 WARN L205 SmtUtils]: Spent 32.96 s on a formula simplification. DAG size of input: 17312 DAG size of output: 16948 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown