/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-Sleep-NoLbe-New_States.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a865e3bea3ade1065a4c95009cfa501fe03c5538-a865e3b [2021-02-20 00:42:16,951 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-20 00:42:16,953 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-20 00:42:16,981 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-20 00:42:16,997 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-20 00:42:16,998 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-20 00:42:16,999 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-20 00:42:17,000 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-20 00:42:17,002 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-20 00:42:17,002 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-20 00:42:17,004 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-20 00:42:17,009 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-20 00:42:17,010 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-20 00:42:17,011 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-20 00:42:17,012 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-20 00:42:17,012 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-20 00:42:17,013 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-20 00:42:17,021 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-Sleep-NoLbe-New_States.epf [2021-02-20 00:42:17,047 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-20 00:42:17,048 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-20 00:42:17,048 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-02-20 00:42:17,048 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-02-20 00:42:17,050 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-20 00:42:17,050 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-20 00:42:17,050 INFO L138 SettingsManager]: * Use SBE=true [2021-02-20 00:42:17,050 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-20 00:42:17,051 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-20 00:42:17,051 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-20 00:42:17,051 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-20 00:42:17,051 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-20 00:42:17,051 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-20 00:42:17,051 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-20 00:42:17,052 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-20 00:42:17,052 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-20 00:42:17,052 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-20 00:42:17,052 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-20 00:42:17,052 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-20 00:42:17,052 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-20 00:42:17,052 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-20 00:42:17,052 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-20 00:42:17,052 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-20 00:42:17,052 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-20 00:42:17,053 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-20 00:42:17,053 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-20 00:42:17,053 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-20 00:42:17,053 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-20 00:42:17,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-20 00:42:17,053 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-02-20 00:42:17,053 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-02-20 00:42:17,053 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-20 00:42:17,054 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-02-20 00:42:17,054 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-20 00:42:17,304 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-20 00:42:17,317 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-20 00:42:17,319 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-20 00:42:17,319 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-02-20 00:42:17,322 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-02-20 00:42:17,323 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons.wvr.bpl [2021-02-20 00:42:17,323 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons.wvr.bpl' [2021-02-20 00:42:17,343 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-20 00:42:17,346 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-20 00:42:17,349 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-02-20 00:42:17,349 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-02-20 00:42:17,350 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-02-20 00:42:17,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:42:17" (1/1) ... [2021-02-20 00:42:17,363 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:42:17" (1/1) ... [2021-02-20 00:42:17,368 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-02-20 00:42:17,369 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-20 00:42:17,369 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-20 00:42:17,370 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-20 00:42:17,374 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:42:17" (1/1) ... [2021-02-20 00:42:17,374 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:42:17" (1/1) ... [2021-02-20 00:42:17,375 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:42:17" (1/1) ... [2021-02-20 00:42:17,375 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:42:17" (1/1) ... [2021-02-20 00:42:17,376 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:42:17" (1/1) ... [2021-02-20 00:42:17,378 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:42:17" (1/1) ... [2021-02-20 00:42:17,378 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:42:17" (1/1) ... [2021-02-20 00:42:17,379 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-20 00:42:17,379 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-20 00:42:17,379 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-20 00:42:17,380 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-20 00:42:17,381 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:42:17" (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 [2021-02-20 00:42:17,426 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-02-20 00:42:17,426 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-02-20 00:42:17,426 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-02-20 00:42:17,426 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-02-20 00:42:17,426 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-02-20 00:42:17,426 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-02-20 00:42:17,426 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-02-20 00:42:17,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-20 00:42:17,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-20 00:42:17,426 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-02-20 00:42:17,426 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-02-20 00:42:17,427 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-02-20 00:42:17,427 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-02-20 00:42:17,611 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-20 00:42:17,611 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-02-20 00:42:17,612 INFO L202 PluginConnector]: Adding new model prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 12:42:17 BoogieIcfgContainer [2021-02-20 00:42:17,612 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-20 00:42:17,613 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-20 00:42:17,614 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-20 00:42:17,615 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-20 00:42:17,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:42:17" (1/2) ... [2021-02-20 00:42:17,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3726a56d and model type prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 12:42:17, skipping insertion in model container [2021-02-20 00:42:17,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 12:42:17" (2/2) ... [2021-02-20 00:42:17,617 INFO L111 eAbstractionObserver]: Analyzing ICFG prod-cons.wvr.bpl [2021-02-20 00:42:17,621 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-02-20 00:42:17,621 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-20 00:42:17,623 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-20 00:42:17,623 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-02-20 00:42:17,648 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-02-20 00:42:17,658 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 [2021-02-20 00:42:17,692 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-20 00:42:17,692 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-20 00:42:17,692 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-20 00:42:17,692 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-20 00:42:17,692 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-20 00:42:17,692 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-20 00:42:17,692 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-20 00:42:17,692 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-20 00:42:17,775 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:42:17,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:42:17,779 INFO L82 PathProgramCache]: Analyzing trace with hash -59221789, now seen corresponding path program 1 times [2021-02-20 00:42:17,784 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:42:17,785 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116446683] [2021-02-20 00:42:17,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:42:17,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:42:17,878 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:42:17,879 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116446683] [2021-02-20 00:42:17,879 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-20 00:42:17,879 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-02-20 00:42:17,880 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341544092] [2021-02-20 00:42:17,882 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-02-20 00:42:17,882 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:42:17,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-02-20 00:42:17,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-20 00:42:17,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:42:17,891 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:42:17,893 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2021-02-20 00:42:17,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:42:17,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:42:17,933 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-20 00:42:17,933 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:42:17,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:42:17,934 INFO L82 PathProgramCache]: Analyzing trace with hash -1181463231, now seen corresponding path program 1 times [2021-02-20 00:42:17,934 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:42:17,934 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701492755] [2021-02-20 00:42:17,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:42:17,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:42:17,969 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-20 00:42:17,969 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701492755] [2021-02-20 00:42:17,969 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2018898666] [2021-02-20 00:42:17,969 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 [2021-02-20 00:42:17,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:42:17,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 5 conjunts are in the unsatisfiable core [2021-02-20 00:42:18,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:42:18,181 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:42:18,181 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:42:18,182 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 6] total 8 [2021-02-20 00:42:18,182 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406953068] [2021-02-20 00:42:18,183 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-20 00:42:18,183 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:42:18,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-20 00:42:18,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-02-20 00:42:18,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:42:18,184 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:42:18,184 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 8 states have internal predecessors, (41), 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) [2021-02-20 00:42:18,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:42:18,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:42:18,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:42:18,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:42:18,568 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:42:18,568 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:42:18,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:42:18,569 INFO L82 PathProgramCache]: Analyzing trace with hash 1035585748, now seen corresponding path program 2 times [2021-02-20 00:42:18,569 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:42:18,569 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964765102] [2021-02-20 00:42:18,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:42:18,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:42:18,658 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:42:18,658 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964765102] [2021-02-20 00:42:18,658 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1099630525] [2021-02-20 00:42:18,658 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 [2021-02-20 00:42:18,693 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-02-20 00:42:18,693 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 00:42:18,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 4 conjunts are in the unsatisfiable core [2021-02-20 00:42:18,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:42:18,781 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:42:18,782 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:42:18,788 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 4] total 12 [2021-02-20 00:42:18,788 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316961871] [2021-02-20 00:42:18,790 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-02-20 00:42:18,790 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:42:18,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-02-20 00:42:18,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-02-20 00:42:18,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:42:18,792 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:42:18,792 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 4.0) internal successors, (48), 12 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) [2021-02-20 00:42:18,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:42:18,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:42:18,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:42:18,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:42:18,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:42:18,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:42:19,202 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:42:19,202 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:42:19,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:42:19,203 INFO L82 PathProgramCache]: Analyzing trace with hash -944810557, now seen corresponding path program 3 times [2021-02-20 00:42:19,203 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:42:19,203 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944364358] [2021-02-20 00:42:19,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:42:19,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:42:19,246 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:42:19,246 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944364358] [2021-02-20 00:42:19,247 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2020145299] [2021-02-20 00:42:19,247 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:42:19,271 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-02-20 00:42:19,271 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 00:42:19,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 6 conjunts are in the unsatisfiable core [2021-02-20 00:42:19,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:42:19,319 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:42:19,320 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:42:19,320 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 6 [2021-02-20 00:42:19,320 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047122663] [2021-02-20 00:42:19,320 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-02-20 00:42:19,320 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:42:19,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-02-20 00:42:19,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-02-20 00:42:19,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:42:19,321 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:42:19,321 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 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) [2021-02-20 00:42:19,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:42:19,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:42:19,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:42:19,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:42:19,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:42:19,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:42:19,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:42:19,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:42:19,543 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:42:19,543 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:42:19,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:42:19,544 INFO L82 PathProgramCache]: Analyzing trace with hash 714714401, now seen corresponding path program 4 times [2021-02-20 00:42:19,544 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:42:19,544 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383900879] [2021-02-20 00:42:19,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:42:19,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:42:19,762 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:42:19,763 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383900879] [2021-02-20 00:42:19,763 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1609778825] [2021-02-20 00:42:19,763 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:42:19,807 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-02-20 00:42:19,807 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 00:42:19,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 21 conjunts are in the unsatisfiable core [2021-02-20 00:42:19,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:42:20,093 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-02-20 00:42:20,093 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 13 [2021-02-20 00:42:20,099 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-20 00:42:20,102 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:42:20,103 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-20 00:42:20,103 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:32, output treesize:10 [2021-02-20 00:42:20,180 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:42:20,180 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:42:20,180 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 26 [2021-02-20 00:42:20,180 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540942075] [2021-02-20 00:42:20,181 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-02-20 00:42:20,182 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:42:20,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-02-20 00:42:20,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=557, Unknown=0, NotChecked=0, Total=650 [2021-02-20 00:42:20,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:42:20,184 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:42:20,184 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 2.423076923076923) internal successors, (63), 26 states have internal predecessors, (63), 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) [2021-02-20 00:42:20,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:42:20,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:42:20,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:42:20,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:42:20,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:42:20,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:42:20,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:42:20,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:42:20,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:42:20,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-02-20 00:42:20,924 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-02-20 00:42:20,926 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:42:20,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:42:20,927 INFO L82 PathProgramCache]: Analyzing trace with hash -1641423628, now seen corresponding path program 5 times [2021-02-20 00:42:20,927 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:42:20,927 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193881408] [2021-02-20 00:42:20,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:42:20,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:42:20,972 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 22 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:42:20,972 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193881408] [2021-02-20 00:42:20,973 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [136054376] [2021-02-20 00:42:20,973 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:42:21,006 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-02-20 00:42:21,006 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 00:42:21,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 8 conjunts are in the unsatisfiable core [2021-02-20 00:42:21,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:42:21,080 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 22 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:42:21,081 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:42:21,081 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 7 [2021-02-20 00:42:21,082 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142400623] [2021-02-20 00:42:21,082 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-20 00:42:21,082 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:42:21,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-20 00:42:21,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-02-20 00:42:21,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:42:21,083 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:42:21,083 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 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) [2021-02-20 00:42:21,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:42:21,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:42:21,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:42:21,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:42:21,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-02-20 00:42:21,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:42:21,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:42:21,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:42:21,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:42:21,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:42:21,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-02-20 00:42:21,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:42:21,321 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:42:21,321 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:42:21,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:42:21,322 INFO L82 PathProgramCache]: Analyzing trace with hash 1413526994, now seen corresponding path program 6 times [2021-02-20 00:42:21,322 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:42:21,322 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910417809] [2021-02-20 00:42:21,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:42:21,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:42:21,567 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:42:21,567 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910417809] [2021-02-20 00:42:21,567 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1997540316] [2021-02-20 00:42:21,567 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:42:21,592 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-02-20 00:42:21,593 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 00:42:21,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 29 conjunts are in the unsatisfiable core [2021-02-20 00:42:21,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:42:22,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:42:22,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:42:22,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:42:22,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:42:22,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:42:22,250 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:42:22,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 34 treesize of output 66 [2021-02-20 00:42:22,347 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2021-02-20 00:42:22,398 INFO L628 ElimStorePlain]: treesize reduction 105, result has 34.4 percent of original size [2021-02-20 00:42:22,413 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-20 00:42:22,414 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:57, output treesize:33 [2021-02-20 00:42:22,553 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:42:22,553 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:42:22,553 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 21] total 36 [2021-02-20 00:42:22,553 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572428293] [2021-02-20 00:42:22,554 INFO L460 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-02-20 00:42:22,554 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:42:22,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-02-20 00:42:22,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=1125, Unknown=0, NotChecked=0, Total=1260 [2021-02-20 00:42:22,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:42:22,555 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:42:22,556 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 2.0833333333333335) internal successors, (75), 36 states have internal predecessors, (75), 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) [2021-02-20 00:42:22,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:42:22,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:42:22,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:42:22,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:42:22,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-02-20 00:42:22,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:42:22,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:42:23,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:42:23,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:42:23,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:42:23,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:42:23,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-02-20 00:42:23,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:42:23,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:42:23,825 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:42:23,826 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:42:23,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:42:23,826 INFO L82 PathProgramCache]: Analyzing trace with hash 844268801, now seen corresponding path program 7 times [2021-02-20 00:42:23,826 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:42:23,826 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173587671] [2021-02-20 00:42:23,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:42:23,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:42:24,176 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:42:24,177 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173587671] [2021-02-20 00:42:24,177 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [704332573] [2021-02-20 00:42:24,177 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:42:24,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:42:24,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 37 conjunts are in the unsatisfiable core [2021-02-20 00:42:24,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:42:24,828 INFO L354 Elim1Store]: treesize reduction 72, result has 1.4 percent of original size [2021-02-20 00:42:24,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 22 [2021-02-20 00:42:24,830 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-20 00:42:24,834 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:42:24,834 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-20 00:42:24,834 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:57, output treesize:10 [2021-02-20 00:42:24,929 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:42:24,929 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:42:24,929 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 42 [2021-02-20 00:42:24,929 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645115041] [2021-02-20 00:42:24,930 INFO L460 AbstractCegarLoop]: Interpolant automaton has 42 states [2021-02-20 00:42:24,930 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:42:24,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2021-02-20 00:42:24,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=174, Invalid=1548, Unknown=0, NotChecked=0, Total=1722 [2021-02-20 00:42:24,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:42:24,931 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:42:24,931 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 42 states, 42 states have (on average 2.0714285714285716) internal successors, (87), 42 states have internal predecessors, (87), 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) [2021-02-20 00:42:24,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:42:24,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:42:24,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:42:24,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:42:24,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-02-20 00:42:24,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:42:24,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:42:24,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:42:26,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:42:26,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:42:26,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:42:26,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:42:26,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-02-20 00:42:26,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:42:26,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:42:26,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-02-20 00:42:26,446 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2021-02-20 00:42:26,447 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:42:26,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:42:26,447 INFO L82 PathProgramCache]: Analyzing trace with hash 1033074964, now seen corresponding path program 8 times [2021-02-20 00:42:26,447 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:42:26,447 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479735555] [2021-02-20 00:42:26,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:42:26,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:42:26,505 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 51 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:42:26,505 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479735555] [2021-02-20 00:42:26,505 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1354326889] [2021-02-20 00:42:26,505 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-02-20 00:42:26,535 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-02-20 00:42:26,535 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:42:26,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 12 conjunts are in the unsatisfiable core [2021-02-20 00:42:26,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:42:26,610 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 51 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:42:26,610 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:42:26,610 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 9 [2021-02-20 00:42:26,612 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354517088] [2021-02-20 00:42:26,612 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-20 00:42:26,612 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:42:26,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-20 00:42:26,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2021-02-20 00:42:26,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:42:26,613 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:42:26,613 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 9 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-20 00:42:26,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:42:26,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:42:26,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:42:26,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:42:26,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-02-20 00:42:26,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:42:26,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:42:26,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-02-20 00:42:26,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:42:26,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:42:26,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:42:26,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:42:26,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:42:26,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-02-20 00:42:26,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:42:26,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:42:26,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-02-20 00:42:26,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:42:26,842 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:42:26,842 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:42:26,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:42:26,842 INFO L82 PathProgramCache]: Analyzing trace with hash -440011534, now seen corresponding path program 9 times [2021-02-20 00:42:26,843 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:42:26,843 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168151323] [2021-02-20 00:42:26,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:42:26,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:42:27,330 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 102 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:42:27,330 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168151323] [2021-02-20 00:42:27,330 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [302775524] [2021-02-20 00:42:27,330 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:42:27,377 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-02-20 00:42:27,378 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 00:42:27,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 48 conjunts are in the unsatisfiable core [2021-02-20 00:42:27,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:42:28,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:42:28,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:42:28,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:42:28,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:42:28,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:42:28,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:42:28,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:42:28,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:42:28,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:42:28,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:42:28,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:42:28,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:42:28,481 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:42:28,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 9 case distinctions, treesize of input 66 treesize of output 134 [2021-02-20 00:42:28,985 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 6 xjuncts. [2021-02-20 00:42:29,109 WARN L202 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 28 [2021-02-20 00:42:29,110 INFO L628 ElimStorePlain]: treesize reduction 2254, result has 2.0 percent of original size [2021-02-20 00:42:29,114 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-20 00:42:29,114 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:77, output treesize:57 [2021-02-20 00:42:29,296 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 102 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:42:29,296 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:42:29,296 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 29] total 52 [2021-02-20 00:42:29,296 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287474341] [2021-02-20 00:42:29,297 INFO L460 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-02-20 00:42:29,297 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:42:29,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-02-20 00:42:29,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=219, Invalid=2433, Unknown=0, NotChecked=0, Total=2652 [2021-02-20 00:42:29,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:42:29,299 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:42:29,299 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 52 states, 52 states have (on average 1.9038461538461537) internal successors, (99), 52 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-20 00:42:29,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:42:29,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:42:29,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:42:29,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:42:29,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-02-20 00:42:29,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:42:29,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:42:29,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-02-20 00:42:29,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:42:29,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:42:31,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:42:31,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:42:31,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:42:31,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:42:31,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-02-20 00:42:31,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:42:31,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:42:31,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-02-20 00:42:31,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:42:31,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-02-20 00:42:31,698 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2021-02-20 00:42:31,698 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:42:31,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:42:31,698 INFO L82 PathProgramCache]: Analyzing trace with hash -587934495, now seen corresponding path program 10 times [2021-02-20 00:42:31,699 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:42:31,699 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744428809] [2021-02-20 00:42:31,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:42:31,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:42:32,315 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:42:32,315 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744428809] [2021-02-20 00:42:32,316 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [632319096] [2021-02-20 00:42:32,316 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:42:32,352 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-02-20 00:42:32,352 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 00:42:32,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 53 conjunts are in the unsatisfiable core [2021-02-20 00:42:32,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:42:33,524 INFO L354 Elim1Store]: treesize reduction 180, result has 0.6 percent of original size [2021-02-20 00:42:33,524 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 78 treesize of output 30 [2021-02-20 00:42:33,526 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-20 00:42:33,530 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:42:33,530 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-20 00:42:33,530 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:81, output treesize:10 [2021-02-20 00:42:33,648 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:42:33,648 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:42:33,648 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 58 [2021-02-20 00:42:33,648 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168096917] [2021-02-20 00:42:33,649 INFO L460 AbstractCegarLoop]: Interpolant automaton has 58 states [2021-02-20 00:42:33,649 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:42:33,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2021-02-20 00:42:33,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=267, Invalid=3039, Unknown=0, NotChecked=0, Total=3306 [2021-02-20 00:42:33,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:42:33,651 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:42:33,653 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 58 states, 58 states have (on average 1.9137931034482758) internal successors, (111), 58 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) [2021-02-20 00:42:33,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:42:33,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:42:33,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:42:33,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:42:33,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-02-20 00:42:33,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:42:33,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:42:33,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-02-20 00:42:33,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:42:33,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-02-20 00:42:33,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:42:36,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:42:36,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:42:36,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:42:36,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:42:36,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-02-20 00:42:36,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:42:36,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:42:36,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-02-20 00:42:36,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:42:36,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-02-20 00:42:36,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-02-20 00:42:36,450 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable238 [2021-02-20 00:42:36,450 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:42:36,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:42:36,450 INFO L82 PathProgramCache]: Analyzing trace with hash 469802292, now seen corresponding path program 11 times [2021-02-20 00:42:36,450 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:42:36,450 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880256899] [2021-02-20 00:42:36,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:42:36,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:42:36,529 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 92 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:42:36,529 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880256899] [2021-02-20 00:42:36,530 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [411722032] [2021-02-20 00:42:36,530 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:42:36,587 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2021-02-20 00:42:36,587 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 00:42:36,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 16 conjunts are in the unsatisfiable core [2021-02-20 00:42:36,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:42:36,668 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 92 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:42:36,668 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:42:36,668 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 11 [2021-02-20 00:42:36,668 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400357834] [2021-02-20 00:42:36,669 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-20 00:42:36,669 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:42:36,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-20 00:42:36,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2021-02-20 00:42:36,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:42:36,669 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:42:36,669 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 6.181818181818182) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-20 00:42:36,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:42:36,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:42:36,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:42:36,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:42:36,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-02-20 00:42:36,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:42:36,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:42:36,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-02-20 00:42:36,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:42:36,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-02-20 00:42:36,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-02-20 00:42:36,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:42:36,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:42:36,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:42:36,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:42:36,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:42:36,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-02-20 00:42:36,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:42:36,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:42:36,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-02-20 00:42:36,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:42:36,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-02-20 00:42:36,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-02-20 00:42:36,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:42:36,894 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable241,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:42:36,894 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:42:36,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:42:36,894 INFO L82 PathProgramCache]: Analyzing trace with hash -755876846, now seen corresponding path program 12 times [2021-02-20 00:42:36,894 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:42:36,895 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493806065] [2021-02-20 00:42:36,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:42:36,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:42:37,620 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 184 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:42:37,621 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493806065] [2021-02-20 00:42:37,621 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [685499005] [2021-02-20 00:42:37,621 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:42:37,655 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2021-02-20 00:42:37,655 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 00:42:37,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 61 conjunts are in the unsatisfiable core [2021-02-20 00:42:37,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:42:39,314 INFO L354 Elim1Store]: treesize reduction 240, result has 0.4 percent of original size [2021-02-20 00:42:39,314 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 86 treesize of output 34 [2021-02-20 00:42:39,316 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-20 00:42:39,320 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:42:39,320 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-20 00:42:39,321 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:89, output treesize:10 [2021-02-20 00:42:39,460 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 184 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:42:39,460 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:42:39,460 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35] total 66 [2021-02-20 00:42:39,461 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116147226] [2021-02-20 00:42:39,461 INFO L460 AbstractCegarLoop]: Interpolant automaton has 66 states [2021-02-20 00:42:39,461 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:42:39,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2021-02-20 00:42:39,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=318, Invalid=3972, Unknown=0, NotChecked=0, Total=4290 [2021-02-20 00:42:39,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:42:39,462 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:42:39,462 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 66 states, 66 states have (on average 1.9696969696969697) internal successors, (130), 66 states have internal predecessors, (130), 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) [2021-02-20 00:42:39,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:42:39,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:42:39,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:42:39,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:42:39,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-02-20 00:42:39,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:42:39,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:42:39,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-02-20 00:42:39,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:42:39,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-02-20 00:42:39,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-02-20 00:42:39,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:42:39,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:42:43,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:42:43,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:42:43,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:42:43,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:42:43,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-02-20 00:42:43,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:42:43,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:42:43,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-02-20 00:42:43,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:42:43,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-02-20 00:42:43,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-02-20 00:42:43,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:42:43,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:42:43,222 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable242 [2021-02-20 00:42:43,222 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:42:43,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:42:43,222 INFO L82 PathProgramCache]: Analyzing trace with hash 936123491, now seen corresponding path program 13 times [2021-02-20 00:42:43,222 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:42:43,222 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875633548] [2021-02-20 00:42:43,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:42:43,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:42:43,301 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 117 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:42:43,301 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875633548] [2021-02-20 00:42:43,305 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1540602934] [2021-02-20 00:42:43,305 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 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 [2021-02-20 00:42:43,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:42:43,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 18 conjunts are in the unsatisfiable core [2021-02-20 00:42:43,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:42:43,442 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 117 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:42:43,443 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:42:43,443 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11] total 12 [2021-02-20 00:42:43,443 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228699467] [2021-02-20 00:42:43,443 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-02-20 00:42:43,443 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:42:43,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-02-20 00:42:43,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2021-02-20 00:42:43,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:42:43,444 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:42:43,444 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 6.166666666666667) internal successors, (74), 12 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-20 00:42:43,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:42:43,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:42:43,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:42:43,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:42:43,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-02-20 00:42:43,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:42:43,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:42:43,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-02-20 00:42:43,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:42:43,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-02-20 00:42:43,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-02-20 00:42:43,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:42:43,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:42:43,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:42:43,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:42:43,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:42:43,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:42:43,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:42:43,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-02-20 00:42:43,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:42:43,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:42:43,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-02-20 00:42:43,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:42:43,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-02-20 00:42:43,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-02-20 00:42:43,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:42:43,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:42:43,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:42:43,685 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable245,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:42:43,685 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:42:43,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:42:43,685 INFO L82 PathProgramCache]: Analyzing trace with hash 775331009, now seen corresponding path program 14 times [2021-02-20 00:42:43,685 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:42:43,685 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770353857] [2021-02-20 00:42:43,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:42:43,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:42:44,651 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 0 proven. 234 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:42:44,652 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770353857] [2021-02-20 00:42:44,652 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1887410315] [2021-02-20 00:42:44,652 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 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 [2021-02-20 00:42:44,685 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-02-20 00:42:44,685 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 00:42:44,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 69 conjunts are in the unsatisfiable core [2021-02-20 00:42:44,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:42:46,813 INFO L354 Elim1Store]: treesize reduction 336, result has 0.3 percent of original size [2021-02-20 00:42:46,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 102 treesize of output 38 [2021-02-20 00:42:46,815 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-20 00:42:46,827 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:42:46,828 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-20 00:42:46,828 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:105, output treesize:10 [2021-02-20 00:42:46,994 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 0 proven. 234 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:42:46,995 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:42:46,995 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 39] total 74 [2021-02-20 00:42:46,995 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898973365] [2021-02-20 00:42:46,995 INFO L460 AbstractCegarLoop]: Interpolant automaton has 74 states [2021-02-20 00:42:46,995 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:42:46,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2021-02-20 00:42:46,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=372, Invalid=5030, Unknown=0, NotChecked=0, Total=5402 [2021-02-20 00:42:46,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:42:46,996 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:42:46,997 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 74 states, 74 states have (on average 1.8243243243243243) internal successors, (135), 74 states have internal predecessors, (135), 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) [2021-02-20 00:42:46,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:42:46,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:42:46,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:42:46,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:42:46,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-02-20 00:42:46,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:42:46,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:42:46,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-02-20 00:42:46,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:42:46,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-02-20 00:42:46,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-02-20 00:42:46,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:42:46,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:42:46,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:42:46,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:42:51,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:42:51,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:42:51,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:42:51,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:42:51,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-02-20 00:42:51,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:42:51,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:42:51,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-02-20 00:42:51,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:42:51,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-02-20 00:42:51,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-02-20 00:42:51,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:42:51,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:42:51,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:42:51,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-02-20 00:42:51,858 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable246 [2021-02-20 00:42:51,858 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:42:51,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:42:51,858 INFO L82 PathProgramCache]: Analyzing trace with hash 301680980, now seen corresponding path program 15 times [2021-02-20 00:42:51,858 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:42:51,858 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054910262] [2021-02-20 00:42:51,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:42:51,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:42:51,933 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 145 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:42:51,933 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054910262] [2021-02-20 00:42:51,933 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2101713224] [2021-02-20 00:42:51,933 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 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 [2021-02-20 00:42:51,967 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2021-02-20 00:42:51,967 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 00:42:51,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 20 conjunts are in the unsatisfiable core [2021-02-20 00:42:51,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:42:52,085 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 145 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:42:52,085 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:42:52,085 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 13 [2021-02-20 00:42:52,085 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046198116] [2021-02-20 00:42:52,085 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-02-20 00:42:52,086 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:42:52,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-02-20 00:42:52,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2021-02-20 00:42:52,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:42:52,086 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:42:52,086 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 6.153846153846154) internal successors, (80), 13 states have internal predecessors, (80), 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) [2021-02-20 00:42:52,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:42:52,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:42:52,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:42:52,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:42:52,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-02-20 00:42:52,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:42:52,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:42:52,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-02-20 00:42:52,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:42:52,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-02-20 00:42:52,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-02-20 00:42:52,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:42:52,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:42:52,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:42:52,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-02-20 00:42:52,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:42:52,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:42:52,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:42:52,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:42:52,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:42:52,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-02-20 00:42:52,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:42:52,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:42:52,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-02-20 00:42:52,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:42:52,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-02-20 00:42:52,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-02-20 00:42:52,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:42:52,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:42:52,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:42:52,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-02-20 00:42:52,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:42:52,339 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable249,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:42:52,340 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:42:52,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:42:52,340 INFO L82 PathProgramCache]: Analyzing trace with hash -1693480142, now seen corresponding path program 16 times [2021-02-20 00:42:52,340 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:42:52,340 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188521957] [2021-02-20 00:42:52,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:42:52,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:42:53,551 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:42:53,551 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188521957] [2021-02-20 00:42:53,552 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [469522539] [2021-02-20 00:42:53,552 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 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 [2021-02-20 00:42:53,586 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-02-20 00:42:53,586 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 00:42:53,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 77 conjunts are in the unsatisfiable core [2021-02-20 00:42:53,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:42:56,343 INFO L354 Elim1Store]: treesize reduction 432, result has 0.2 percent of original size [2021-02-20 00:42:56,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 114 treesize of output 42 [2021-02-20 00:42:56,345 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-20 00:42:56,350 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:42:56,351 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-20 00:42:56,351 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:117, output treesize:10 [2021-02-20 00:42:56,555 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:42:56,555 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:42:56,555 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 43] total 82 [2021-02-20 00:42:56,555 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884855224] [2021-02-20 00:42:56,555 INFO L460 AbstractCegarLoop]: Interpolant automaton has 82 states [2021-02-20 00:42:56,555 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:42:56,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2021-02-20 00:42:56,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=429, Invalid=6213, Unknown=0, NotChecked=0, Total=6642 [2021-02-20 00:42:56,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:42:56,557 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:42:56,557 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 82 states, 82 states have (on average 1.7926829268292683) internal successors, (147), 82 states have internal predecessors, (147), 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) [2021-02-20 00:42:56,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:42:56,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:42:56,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:42:56,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:42:56,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-02-20 00:42:56,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:42:56,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:42:56,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-02-20 00:42:56,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:42:56,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-02-20 00:42:56,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-02-20 00:42:56,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:42:56,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:42:56,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:42:56,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-02-20 00:42:56,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:42:56,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:43:02,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:43:02,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:43:02,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:43:02,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:43:02,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-02-20 00:43:02,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:43:02,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:43:02,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-02-20 00:43:02,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:43:02,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-02-20 00:43:02,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-02-20 00:43:02,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:43:02,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:43:02,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:43:02,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-02-20 00:43:02,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:43:02,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-02-20 00:43:02,676 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable250,18 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:43:02,676 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:43:02,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:43:02,677 INFO L82 PathProgramCache]: Analyzing trace with hash -1031341757, now seen corresponding path program 17 times [2021-02-20 00:43:02,677 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:43:02,677 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52188618] [2021-02-20 00:43:02,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:43:02,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:43:02,780 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 176 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:43:02,781 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52188618] [2021-02-20 00:43:02,781 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2043705681] [2021-02-20 00:43:02,781 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 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 [2021-02-20 00:43:02,823 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2021-02-20 00:43:02,823 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 00:43:02,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 22 conjunts are in the unsatisfiable core [2021-02-20 00:43:02,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:43:02,977 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 176 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:43:02,977 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:43:02,977 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13] total 14 [2021-02-20 00:43:02,977 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476375357] [2021-02-20 00:43:02,978 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-02-20 00:43:02,978 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:43:02,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-02-20 00:43:02,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=91, Unknown=0, NotChecked=0, Total=182 [2021-02-20 00:43:02,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:43:02,978 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:43:02,978 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 6.142857142857143) internal successors, (86), 14 states have internal predecessors, (86), 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) [2021-02-20 00:43:02,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:43:02,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:43:02,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:43:02,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:43:02,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-02-20 00:43:02,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:43:02,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:43:02,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-02-20 00:43:02,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:43:02,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-02-20 00:43:02,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-02-20 00:43:02,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:43:02,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:43:02,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:43:02,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-02-20 00:43:02,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:43:02,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-02-20 00:43:02,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:43:03,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:43:03,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:43:03,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:43:03,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:43:03,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-02-20 00:43:03,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:43:03,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:43:03,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-02-20 00:43:03,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:43:03,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-02-20 00:43:03,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-02-20 00:43:03,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:43:03,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:43:03,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:43:03,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-02-20 00:43:03,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:43:03,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-02-20 00:43:03,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:43:03,228 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable253 [2021-02-20 00:43:03,228 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:43:03,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:43:03,228 INFO L82 PathProgramCache]: Analyzing trace with hash -2125603679, now seen corresponding path program 18 times [2021-02-20 00:43:03,228 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:43:03,228 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534292326] [2021-02-20 00:43:03,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:43:03,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:43:04,704 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 352 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:43:04,704 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534292326] [2021-02-20 00:43:04,704 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1709896001] [2021-02-20 00:43:04,704 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 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:43:04,744 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2021-02-20 00:43:04,744 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 00:43:04,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 88 conjunts are in the unsatisfiable core [2021-02-20 00:43:04,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:43:08,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:43:08,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:43:08,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:43:08,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:43:08,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:43:08,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:43:08,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:43:08,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:43:08,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:43:08,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:43:08,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:43:08,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:43:08,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:43:08,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:43:08,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:43:08,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:43:08,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:43:08,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:43:08,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:43:08,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:43:08,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:43:08,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:43:08,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:43:08,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:43:08,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:43:08,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:43:08,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:43:08,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:43:08,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:43:08,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:43:08,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:43:08,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:43:08,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:43:08,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:43:08,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:43:08,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:43:08,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:43:08,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:43:08,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:43:08,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:43:08,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:43:08,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:43:08,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:43:08,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:43:08,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:43:08,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 46 [2021-02-20 00:43:08,586 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-20 00:43:08,592 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:43:08,592 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-20 00:43:08,592 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:134, output treesize:15 [2021-02-20 00:43:08,928 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 352 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:43:08,929 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:43:08,929 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 49] total 92 [2021-02-20 00:43:08,929 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402315848] [2021-02-20 00:43:08,929 INFO L460 AbstractCegarLoop]: Interpolant automaton has 92 states [2021-02-20 00:43:08,929 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:43:08,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2021-02-20 00:43:08,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=490, Invalid=7882, Unknown=0, NotChecked=0, Total=8372 [2021-02-20 00:43:08,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:43:08,931 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:43:08,931 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 92 states, 92 states have (on average 1.7282608695652173) internal successors, (159), 92 states have internal predecessors, (159), 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) [2021-02-20 00:43:08,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:43:08,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:43:08,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:43:08,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:43:08,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-02-20 00:43:08,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:43:08,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:43:08,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-02-20 00:43:08,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:43:08,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-02-20 00:43:08,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-02-20 00:43:08,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:43:08,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:43:08,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:43:08,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-02-20 00:43:08,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:43:08,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-02-20 00:43:08,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:43:08,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:43:15,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:43:15,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:43:15,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:43:15,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:43:15,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-02-20 00:43:15,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:43:15,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:43:15,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-02-20 00:43:15,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:43:15,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-02-20 00:43:15,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-02-20 00:43:15,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:43:15,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:43:15,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:43:15,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-02-20 00:43:15,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:43:15,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-02-20 00:43:15,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:43:15,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-02-20 00:43:16,061 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable254 [2021-02-20 00:43:16,061 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:43:16,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:43:16,061 INFO L82 PathProgramCache]: Analyzing trace with hash 367518290, now seen corresponding path program 19 times [2021-02-20 00:43:16,061 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:43:16,061 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727294073] [2021-02-20 00:43:16,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:43:16,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:43:17,903 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:43:17,903 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727294073] [2021-02-20 00:43:17,903 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1334293881] [2021-02-20 00:43:17,903 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 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:43:17,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:43:17,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 93 conjunts are in the unsatisfiable core [2021-02-20 00:43:17,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:43:22,700 INFO L354 Elim1Store]: treesize reduction 660, result has 0.2 percent of original size [2021-02-20 00:43:22,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 138 treesize of output 50 [2021-02-20 00:43:22,703 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-20 00:43:22,709 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:43:22,710 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-20 00:43:22,710 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:141, output treesize:10 [2021-02-20 00:43:22,998 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:43:22,998 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:43:22,998 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 51] total 98 [2021-02-20 00:43:22,998 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433026876] [2021-02-20 00:43:22,998 INFO L460 AbstractCegarLoop]: Interpolant automaton has 98 states [2021-02-20 00:43:22,999 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:43:22,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2021-02-20 00:43:23,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=552, Invalid=8954, Unknown=0, NotChecked=0, Total=9506 [2021-02-20 00:43:23,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:43:23,000 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:43:23,001 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 98 states, 98 states have (on average 1.7448979591836735) internal successors, (171), 98 states have internal predecessors, (171), 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) [2021-02-20 00:43:23,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:43:23,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:43:23,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:43:23,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:43:23,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-02-20 00:43:23,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:43:23,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:43:23,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-02-20 00:43:23,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:43:23,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-02-20 00:43:23,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-02-20 00:43:23,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:43:23,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:43:23,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:43:23,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-02-20 00:43:23,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:43:23,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-02-20 00:43:23,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:43:23,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-02-20 00:43:23,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:43:33,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:43:33,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:43:33,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:43:33,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:43:33,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-02-20 00:43:33,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:43:33,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:43:33,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-02-20 00:43:33,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:43:33,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-02-20 00:43:33,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-02-20 00:43:33,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:43:33,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:43:33,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:43:33,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-02-20 00:43:33,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:43:33,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-02-20 00:43:33,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:43:33,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-02-20 00:43:33,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-02-20 00:43:33,594 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable257 [2021-02-20 00:43:33,595 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:43:33,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:43:33,595 INFO L82 PathProgramCache]: Analyzing trace with hash 1615449635, now seen corresponding path program 20 times [2021-02-20 00:43:33,595 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:43:33,595 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191991877] [2021-02-20 00:43:33,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:43:33,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:43:33,771 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 247 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:43:33,771 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191991877] [2021-02-20 00:43:33,771 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [374811639] [2021-02-20 00:43:33,771 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 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:43:33,826 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-02-20 00:43:33,826 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 00:43:33,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 26 conjunts are in the unsatisfiable core [2021-02-20 00:43:33,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:43:34,078 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 247 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:43:34,078 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:43:34,078 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15] total 16 [2021-02-20 00:43:34,078 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248516670] [2021-02-20 00:43:34,079 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-02-20 00:43:34,079 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:43:34,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-02-20 00:43:34,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2021-02-20 00:43:34,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:43:34,079 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:43:34,079 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 6.125) internal successors, (98), 16 states have internal predecessors, (98), 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) [2021-02-20 00:43:34,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:43:34,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:43:34,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:43:34,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:43:34,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-02-20 00:43:34,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:43:34,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:43:34,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-02-20 00:43:34,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:43:34,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-02-20 00:43:34,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-02-20 00:43:34,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:43:34,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:43:34,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:43:34,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-02-20 00:43:34,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:43:34,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-02-20 00:43:34,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:43:34,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-02-20 00:43:34,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-02-20 00:43:34,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:43:34,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:43:34,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:43:34,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:43:34,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:43:34,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-02-20 00:43:34,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:43:34,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:43:34,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-02-20 00:43:34,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:43:34,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-02-20 00:43:34,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-02-20 00:43:34,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:43:34,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:43:34,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:43:34,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-02-20 00:43:34,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:43:34,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-02-20 00:43:34,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:43:34,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-02-20 00:43:34,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-02-20 00:43:34,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-20 00:43:34,339 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable260 [2021-02-20 00:43:34,340 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:43:34,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:43:34,340 INFO L82 PathProgramCache]: Analyzing trace with hash -386886527, now seen corresponding path program 21 times [2021-02-20 00:43:34,340 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:43:34,340 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438898452] [2021-02-20 00:43:34,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:43:34,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:43:36,961 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 0 proven. 494 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:43:36,961 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438898452] [2021-02-20 00:43:36,961 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [131931752] [2021-02-20 00:43:36,961 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 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:43:37,004 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2021-02-20 00:43:37,005 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 00:43:37,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 101 conjunts are in the unsatisfiable core [2021-02-20 00:43:37,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:43:43,755 INFO L354 Elim1Store]: treesize reduction 770, result has 0.1 percent of original size [2021-02-20 00:43:43,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 146 treesize of output 54 [2021-02-20 00:43:43,758 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-20 00:43:43,764 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:43:43,765 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-20 00:43:43,765 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:149, output treesize:10 [2021-02-20 00:43:44,156 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 0 proven. 494 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:43:44,156 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:43:44,156 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 55] total 106 [2021-02-20 00:43:44,156 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825609287] [2021-02-20 00:43:44,157 INFO L460 AbstractCegarLoop]: Interpolant automaton has 106 states [2021-02-20 00:43:44,157 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:43:44,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 106 interpolants. [2021-02-20 00:43:44,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=618, Invalid=10512, Unknown=0, NotChecked=0, Total=11130 [2021-02-20 00:43:44,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:43:44,159 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:43:44,159 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 106 states, 106 states have (on average 1.7264150943396226) internal successors, (183), 106 states have internal predecessors, (183), 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) [2021-02-20 00:43:44,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:43:44,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:43:44,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:43:44,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:43:44,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-02-20 00:43:44,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:43:44,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:43:44,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-02-20 00:43:44,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:43:44,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-02-20 00:43:44,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-02-20 00:43:44,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:43:44,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:43:44,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:43:44,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-02-20 00:43:44,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:43:44,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-02-20 00:43:44,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:43:44,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-02-20 00:43:44,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-02-20 00:43:44,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-02-20 00:43:44,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:43:51,153 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 59 [2021-02-20 00:43:51,397 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 59 [2021-02-20 00:43:51,634 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 60 [2021-02-20 00:43:51,921 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 60 [2021-02-20 00:43:52,181 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 60 [2021-02-20 00:43:52,431 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 59 [2021-02-20 00:43:53,029 WARN L202 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 61 [2021-02-20 00:43:53,234 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 59 [2021-02-20 00:43:53,507 WARN L202 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 60 [2021-02-20 00:43:53,741 WARN L202 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 60 [2021-02-20 00:43:54,114 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 61 [2021-02-20 00:43:54,348 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 60 [2021-02-20 00:43:54,653 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 61 [2021-02-20 00:43:54,886 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 60 [2021-02-20 00:43:55,260 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 61 [2021-02-20 00:43:55,498 WARN L202 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 60 [2021-02-20 00:43:55,827 WARN L202 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 61 [2021-02-20 00:43:56,103 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 60 [2021-02-20 00:43:56,510 WARN L202 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 61 [2021-02-20 00:43:56,772 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 60 [2021-02-20 00:43:57,109 WARN L202 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 61 [2021-02-20 00:43:57,353 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 60 [2021-02-20 00:43:57,699 WARN L202 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 61 [2021-02-20 00:43:57,964 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 60 [2021-02-20 00:43:58,303 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 61 [2021-02-20 00:43:58,570 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 60 [2021-02-20 00:43:59,025 WARN L202 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 62 [2021-02-20 00:43:59,310 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 61 [2021-02-20 00:44:01,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:44:01,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:44:01,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:44:01,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:44:01,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-02-20 00:44:01,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:44:01,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:44:01,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-02-20 00:44:01,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:44:01,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-02-20 00:44:01,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-02-20 00:44:01,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:44:01,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:44:01,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:44:01,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-02-20 00:44:01,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:44:01,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-02-20 00:44:01,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:44:01,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-02-20 00:44:01,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-02-20 00:44:01,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-20 00:44:01,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-02-20 00:44:01,745 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable261,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:44:01,746 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:44:01,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:44:01,746 INFO L82 PathProgramCache]: Analyzing trace with hash -1589560940, now seen corresponding path program 22 times [2021-02-20 00:44:01,746 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:44:01,746 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686560099] [2021-02-20 00:44:01,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:44:01,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:44:02,029 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 287 proven. 247 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:44:02,030 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686560099] [2021-02-20 00:44:02,030 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1708973226] [2021-02-20 00:44:02,030 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 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:44:02,076 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-02-20 00:44:02,076 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 00:44:02,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 28 conjunts are in the unsatisfiable core [2021-02-20 00:44:02,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:44:02,480 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 287 proven. 247 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:44:02,480 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:44:02,480 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 17 [2021-02-20 00:44:02,480 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072150246] [2021-02-20 00:44:02,481 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-02-20 00:44:02,481 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:44:02,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-02-20 00:44:02,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2021-02-20 00:44:02,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:44:02,481 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:44:02,481 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 6.117647058823529) internal successors, (104), 17 states have internal predecessors, (104), 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) [2021-02-20 00:44:02,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:44:02,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:44:02,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:44:02,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:44:02,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-02-20 00:44:02,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:44:02,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:44:02,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-02-20 00:44:02,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:44:02,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-02-20 00:44:02,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-02-20 00:44:02,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:44:02,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:44:02,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:44:02,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-02-20 00:44:02,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:44:02,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-02-20 00:44:02,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:44:02,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-02-20 00:44:02,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-02-20 00:44:02,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-02-20 00:44:02,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-02-20 00:44:02,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:44:02,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:44:02,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:44:02,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:44:02,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:44:02,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-02-20 00:44:02,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:44:02,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:44:02,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-02-20 00:44:02,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:44:02,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-02-20 00:44:02,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-02-20 00:44:02,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:44:02,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:44:02,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:44:02,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-02-20 00:44:02,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:44:02,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-02-20 00:44:02,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:44:02,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-02-20 00:44:02,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-02-20 00:44:02,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-20 00:44:02,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-02-20 00:44:02,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-20 00:44:02,757 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable264,24 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:44:02,757 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:44:02,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:44:02,757 INFO L82 PathProgramCache]: Analyzing trace with hash 331694450, now seen corresponding path program 23 times [2021-02-20 00:44:02,757 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:44:02,757 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069671706] [2021-02-20 00:44:02,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:44:02,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:44:06,651 INFO L134 CoverageAnalysis]: Checked inductivity of 574 backedges. 0 proven. 574 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:44:06,651 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069671706] [2021-02-20 00:44:06,651 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1749126308] [2021-02-20 00:44:06,651 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 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:44:06,696 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) [2021-02-20 00:44:06,696 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 00:44:06,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 107 conjunts are in the unsatisfiable core [2021-02-20 00:44:06,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:44:18,452 INFO L354 Elim1Store]: treesize reduction 912, result has 0.1 percent of original size [2021-02-20 00:44:18,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 78 case distinctions, treesize of input 158 treesize of output 58 [2021-02-20 00:44:18,457 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-20 00:44:18,466 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:44:18,468 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-20 00:44:18,468 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:161, output treesize:10 [2021-02-20 00:44:19,058 INFO L134 CoverageAnalysis]: Checked inductivity of 574 backedges. 0 proven. 574 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:44:19,058 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:44:19,058 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [59, 59] total 114 [2021-02-20 00:44:19,059 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896784375] [2021-02-20 00:44:19,059 INFO L460 AbstractCegarLoop]: Interpolant automaton has 114 states [2021-02-20 00:44:19,059 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:44:19,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 114 interpolants. [2021-02-20 00:44:19,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=687, Invalid=12195, Unknown=0, NotChecked=0, Total=12882 [2021-02-20 00:44:19,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:44:19,061 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:44:19,061 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 114 states, 114 states have (on average 1.7719298245614035) internal successors, (202), 114 states have internal predecessors, (202), 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) [2021-02-20 00:44:19,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:44:19,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:44:19,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:44:19,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:44:19,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-02-20 00:44:19,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:44:19,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:44:19,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-02-20 00:44:19,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:44:19,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-02-20 00:44:19,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-02-20 00:44:19,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:44:19,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:44:19,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:44:19,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-02-20 00:44:19,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:44:19,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-02-20 00:44:19,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:44:19,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-02-20 00:44:19,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-02-20 00:44:19,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-02-20 00:44:19,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-02-20 00:44:19,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-20 00:44:19,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:44:26,349 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 47 [2021-02-20 00:44:26,641 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 47 [2021-02-20 00:44:26,932 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 48 [2021-02-20 00:44:27,316 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 51 [2021-02-20 00:44:27,608 WARN L202 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 51 [2021-02-20 00:44:27,892 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 52 [2021-02-20 00:44:28,290 WARN L202 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 56 [2021-02-20 00:44:28,618 WARN L202 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 56 [2021-02-20 00:44:28,929 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 57 [2021-02-20 00:44:29,320 WARN L202 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 59 [2021-02-20 00:44:29,651 WARN L202 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 59 [2021-02-20 00:44:29,981 WARN L202 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 60 [2021-02-20 00:44:30,399 WARN L202 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 63 [2021-02-20 00:44:30,746 WARN L202 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 63 [2021-02-20 00:44:31,091 WARN L202 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 64 [2021-02-20 00:44:31,505 WARN L202 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 64 [2021-02-20 00:44:31,882 WARN L202 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 64 [2021-02-20 00:44:32,296 WARN L202 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 63 [2021-02-20 00:44:33,382 WARN L202 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 65 [2021-02-20 00:44:33,694 WARN L202 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 63 [2021-02-20 00:44:34,300 WARN L202 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 64 [2021-02-20 00:44:34,629 WARN L202 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 64 [2021-02-20 00:44:35,262 WARN L202 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 65 [2021-02-20 00:44:35,599 WARN L202 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 64 [2021-02-20 00:44:36,063 WARN L202 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 65 [2021-02-20 00:44:36,419 WARN L202 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 64 [2021-02-20 00:44:36,893 WARN L202 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 65 [2021-02-20 00:44:37,228 WARN L202 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 64 [2021-02-20 00:44:37,689 WARN L202 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 65 [2021-02-20 00:44:38,049 WARN L202 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 64 [2021-02-20 00:44:38,521 WARN L202 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 65 [2021-02-20 00:44:38,885 WARN L202 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 64 [2021-02-20 00:44:39,351 WARN L202 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 65 [2021-02-20 00:44:39,718 WARN L202 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 64 [2021-02-20 00:44:40,225 WARN L202 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 65 [2021-02-20 00:44:40,602 WARN L202 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 64 [2021-02-20 00:44:41,289 WARN L202 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 65 [2021-02-20 00:44:41,694 WARN L202 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 64 [2021-02-20 00:44:42,229 WARN L202 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 65 [2021-02-20 00:44:42,650 WARN L202 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 64 [2021-02-20 00:44:43,411 WARN L202 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 66 [2021-02-20 00:44:43,825 WARN L202 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 65 [2021-02-20 00:44:47,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:44:47,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:44:47,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:44:47,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:44:47,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-02-20 00:44:47,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:44:47,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:44:47,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-02-20 00:44:47,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:44:47,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-02-20 00:44:47,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-02-20 00:44:47,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:44:47,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:44:47,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:44:47,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-02-20 00:44:47,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:44:47,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-02-20 00:44:47,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:44:47,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-02-20 00:44:47,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-02-20 00:44:47,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-20 00:44:47,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-02-20 00:44:47,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-20 00:44:47,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-02-20 00:44:47,578 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable265,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:44:47,579 INFO L428 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:44:47,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:44:47,579 INFO L82 PathProgramCache]: Analyzing trace with hash -460678397, now seen corresponding path program 24 times [2021-02-20 00:44:47,579 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:44:47,579 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427864407] [2021-02-20 00:44:47,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:44:47,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:44:47,967 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 330 proven. 287 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:44:47,968 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427864407] [2021-02-20 00:44:47,968 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [774006794] [2021-02-20 00:44:47,968 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 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:44:48,013 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 16 check-sat command(s) [2021-02-20 00:44:48,014 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 00:44:48,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 30 conjunts are in the unsatisfiable core [2021-02-20 00:44:48,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:44:48,701 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 330 proven. 287 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:44:48,701 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:44:48,701 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17] total 18 [2021-02-20 00:44:48,702 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977284529] [2021-02-20 00:44:48,702 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-02-20 00:44:48,702 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:44:48,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-02-20 00:44:48,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=153, Unknown=0, NotChecked=0, Total=306 [2021-02-20 00:44:48,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:44:48,702 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:44:48,702 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.111111111111111) internal successors, (110), 18 states have internal predecessors, (110), 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) [2021-02-20 00:44:48,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:44:48,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:44:48,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:44:48,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:44:48,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-02-20 00:44:48,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:44:48,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:44:48,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-02-20 00:44:48,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:44:48,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-02-20 00:44:48,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-02-20 00:44:48,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:44:48,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:44:48,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:44:48,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-02-20 00:44:48,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:44:48,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-02-20 00:44:48,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:44:48,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-02-20 00:44:48,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-02-20 00:44:48,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-02-20 00:44:48,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-02-20 00:44:48,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-20 00:44:48,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-02-20 00:44:48,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:44:48,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:44:48,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:44:48,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:44:48,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:44:48,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-02-20 00:44:48,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:44:48,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:44:48,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-02-20 00:44:48,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:44:48,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-02-20 00:44:48,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-02-20 00:44:48,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:44:48,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:44:48,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:44:48,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-02-20 00:44:48,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:44:48,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-02-20 00:44:48,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:44:48,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-02-20 00:44:48,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-02-20 00:44:48,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-20 00:44:48,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-02-20 00:44:48,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-20 00:44:48,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-02-20 00:44:48,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:44:48,991 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable268 [2021-02-20 00:44:48,991 INFO L428 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:44:48,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:44:48,992 INFO L82 PathProgramCache]: Analyzing trace with hash -1890270111, now seen corresponding path program 25 times [2021-02-20 00:44:48,992 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:44:48,992 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138182518] [2021-02-20 00:44:48,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:44:49,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:44:55,909 INFO L134 CoverageAnalysis]: Checked inductivity of 660 backedges. 0 proven. 660 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:44:55,909 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138182518] [2021-02-20 00:44:55,910 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [983707033] [2021-02-20 00:44:55,910 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 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:44:55,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:44:55,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 117 conjunts are in the unsatisfiable core [2021-02-20 00:44:55,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:45:02,844 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-02-20 00:45:09,279 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-02-20 00:45:10,701 WARN L202 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-02-20 00:45:11,211 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-02-20 00:45:11,740 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-02-20 00:45:12,274 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-02-20 00:45:13,424 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-02-20 00:45:13,989 WARN L202 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-02-20 00:45:15,073 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-02-20 00:45:16,224 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-02-20 00:45:16,807 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-02-20 00:45:16,849 INFO L354 Elim1Store]: treesize reduction 1092, result has 0.1 percent of original size [2021-02-20 00:45:16,850 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 174 treesize of output 62 [2021-02-20 00:45:16,856 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-20 00:45:16,872 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:45:16,874 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-20 00:45:16,874 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:177, output treesize:10 [2021-02-20 00:45:17,813 INFO L134 CoverageAnalysis]: Checked inductivity of 660 backedges. 0 proven. 660 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:45:17,814 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:45:17,814 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 63] total 122 [2021-02-20 00:45:17,814 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728251181] [2021-02-20 00:45:17,814 INFO L460 AbstractCegarLoop]: Interpolant automaton has 122 states [2021-02-20 00:45:17,814 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:45:17,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 122 interpolants. [2021-02-20 00:45:17,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=759, Invalid=14003, Unknown=0, NotChecked=0, Total=14762 [2021-02-20 00:45:17,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:45:17,815 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:45:17,816 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 122 states, 122 states have (on average 1.6967213114754098) internal successors, (207), 122 states have internal predecessors, (207), 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) [2021-02-20 00:45:17,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:45:17,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:45:17,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:45:17,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:45:17,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-02-20 00:45:17,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:45:17,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:45:17,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-02-20 00:45:17,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:45:17,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-02-20 00:45:17,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-02-20 00:45:17,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:45:17,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:45:17,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:45:17,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-02-20 00:45:17,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:45:17,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-02-20 00:45:17,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:45:17,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-02-20 00:45:17,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-02-20 00:45:17,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-02-20 00:45:17,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-02-20 00:45:17,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-20 00:45:17,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-02-20 00:45:17,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:45:17,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:45:24,986 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 31 [2021-02-20 00:45:25,518 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 31 [2021-02-20 00:45:26,022 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 32 [2021-02-20 00:45:26,765 WARN L202 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 35 [2021-02-20 00:45:27,286 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 35 [2021-02-20 00:45:27,815 WARN L202 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 36 [2021-02-20 00:45:28,576 WARN L202 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 40 [2021-02-20 00:45:29,129 WARN L202 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 40 [2021-02-20 00:45:29,665 WARN L202 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 41 [2021-02-20 00:45:30,475 WARN L202 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 43 [2021-02-20 00:45:31,074 WARN L202 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 43 [2021-02-20 00:45:31,659 WARN L202 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 44 [2021-02-20 00:45:32,451 WARN L202 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 47 [2021-02-20 00:45:33,021 WARN L202 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 47 [2021-02-20 00:45:33,582 WARN L202 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 48 [2021-02-20 00:45:34,372 WARN L202 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 51 [2021-02-20 00:45:34,954 WARN L202 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 51 [2021-02-20 00:45:35,533 WARN L202 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 52 [2021-02-20 00:45:36,380 WARN L202 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 56 [2021-02-20 00:45:36,962 WARN L202 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 56 [2021-02-20 00:45:37,562 WARN L202 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 57 [2021-02-20 00:45:38,366 WARN L202 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 59 [2021-02-20 00:45:38,931 WARN L202 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 59 [2021-02-20 00:45:39,508 WARN L202 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 60 [2021-02-20 00:45:40,332 WARN L202 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 63 [2021-02-20 00:45:40,906 WARN L202 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 63 [2021-02-20 00:45:41,505 WARN L202 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 64 [2021-02-20 00:45:42,383 WARN L202 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 68 [2021-02-20 00:45:43,053 WARN L202 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 68 [2021-02-20 00:45:43,708 WARN L202 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 69 [2021-02-20 00:45:44,565 WARN L202 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 68 [2021-02-20 00:45:45,282 WARN L202 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 68 [2021-02-20 00:45:45,948 WARN L202 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 67 [2021-02-20 00:45:47,931 WARN L202 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 69 [2021-02-20 00:45:48,422 WARN L202 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 67 [2021-02-20 00:45:49,032 WARN L202 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 68 [2021-02-20 00:45:49,574 WARN L202 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 68 [2021-02-20 00:45:50,272 WARN L202 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 69 [2021-02-20 00:45:50,829 WARN L202 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 68 [2021-02-20 00:45:51,562 WARN L202 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 69 [2021-02-20 00:45:52,118 WARN L202 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 68 [2021-02-20 00:45:52,886 WARN L202 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 69 [2021-02-20 00:45:53,432 WARN L202 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 68 [2021-02-20 00:45:54,593 WARN L202 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 69 [2021-02-20 00:45:55,157 WARN L202 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 68 [2021-02-20 00:45:56,319 WARN L202 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 69 [2021-02-20 00:45:56,922 WARN L202 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 68 [2021-02-20 00:45:58,121 WARN L202 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 69 [2021-02-20 00:45:58,723 WARN L202 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 68 [2021-02-20 00:45:59,947 WARN L202 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 69 [2021-02-20 00:46:00,574 WARN L202 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 68 [2021-02-20 00:46:01,418 WARN L202 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 69 [2021-02-20 00:46:02,071 WARN L202 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 68 [2021-02-20 00:46:02,925 WARN L202 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 69 [2021-02-20 00:46:03,600 WARN L202 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 68 [2021-02-20 00:46:04,439 WARN L202 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 69 [2021-02-20 00:46:05,179 WARN L202 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2021-02-20 00:46:06,510 WARN L202 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2021-02-20 00:46:07,247 WARN L202 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 69 [2021-02-20 00:46:13,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:46:13,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:46:13,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:46:13,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:46:13,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-02-20 00:46:13,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:46:13,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:46:13,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-02-20 00:46:13,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:46:13,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-02-20 00:46:13,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-02-20 00:46:13,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:46:13,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:46:13,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:46:13,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-02-20 00:46:13,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:46:13,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-02-20 00:46:13,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:46:13,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-02-20 00:46:13,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-02-20 00:46:13,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-20 00:46:13,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-02-20 00:46:13,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-20 00:46:13,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-02-20 00:46:13,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:46:13,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-02-20 00:46:13,516 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable269,27 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:46:13,516 INFO L428 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:46:13,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:46:13,517 INFO L82 PathProgramCache]: Analyzing trace with hash -970949196, now seen corresponding path program 26 times [2021-02-20 00:46:13,517 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:46:13,517 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848799305] [2021-02-20 00:46:13,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:46:13,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:46:14,315 INFO L134 CoverageAnalysis]: Checked inductivity of 706 backedges. 376 proven. 330 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:46:14,315 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848799305] [2021-02-20 00:46:14,315 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [446856948] [2021-02-20 00:46:14,315 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 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:46:14,356 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-02-20 00:46:14,356 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 00:46:14,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 32 conjunts are in the unsatisfiable core [2021-02-20 00:46:14,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:46:15,719 INFO L134 CoverageAnalysis]: Checked inductivity of 706 backedges. 376 proven. 330 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:46:15,719 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:46:15,719 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 18] total 19 [2021-02-20 00:46:15,719 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434021349] [2021-02-20 00:46:15,720 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-02-20 00:46:15,720 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:46:15,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-02-20 00:46:15,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=171, Unknown=0, NotChecked=0, Total=342 [2021-02-20 00:46:15,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:46:15,720 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:46:15,720 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 6.105263157894737) internal successors, (116), 19 states have internal predecessors, (116), 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) [2021-02-20 00:46:15,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:46:15,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:46:15,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:46:15,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:46:15,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-02-20 00:46:15,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:46:15,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:46:15,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-02-20 00:46:15,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:46:15,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-02-20 00:46:15,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-02-20 00:46:15,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:46:15,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:46:15,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:46:15,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-02-20 00:46:15,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:46:15,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-02-20 00:46:15,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:46:15,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-02-20 00:46:15,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-02-20 00:46:15,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-02-20 00:46:15,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-02-20 00:46:15,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-20 00:46:15,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-02-20 00:46:15,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:46:15,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-02-20 00:46:15,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:46:15,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:46:15,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:46:15,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:46:15,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:46:15,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-02-20 00:46:15,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:46:15,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:46:15,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-02-20 00:46:15,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:46:15,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-02-20 00:46:15,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-02-20 00:46:15,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:46:15,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:46:15,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:46:15,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-02-20 00:46:15,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:46:15,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-02-20 00:46:15,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:46:15,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-02-20 00:46:15,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-02-20 00:46:15,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-20 00:46:15,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-02-20 00:46:15,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-20 00:46:15,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-02-20 00:46:15,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:46:15,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-02-20 00:46:15,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-02-20 00:46:16,046 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable272,28 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:46:16,046 INFO L428 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:46:16,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:46:16,046 INFO L82 PathProgramCache]: Analyzing trace with hash -42882926, now seen corresponding path program 27 times [2021-02-20 00:46:16,046 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:46:16,046 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134307660] [2021-02-20 00:46:16,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:46:16,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:46:20,354 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-02-20 00:46:28,836 INFO L134 CoverageAnalysis]: Checked inductivity of 752 backedges. 0 proven. 752 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:46:28,836 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134307660] [2021-02-20 00:46:28,837 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [527997174] [2021-02-20 00:46:28,837 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 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:46:28,892 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 17 check-sat command(s) [2021-02-20 00:46:28,893 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 00:46:28,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 127 conjunts are in the unsatisfiable core [2021-02-20 00:46:28,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:46:41,780 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-02-20 00:46:42,393 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-02-20 00:46:43,003 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-02-20 00:46:43,491 WARN L202 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-02-20 00:46:43,993 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-02-20 00:46:44,624 WARN L202 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-02-20 00:46:45,192 WARN L202 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-02-20 00:46:45,775 WARN L202 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-02-20 00:46:46,369 WARN L202 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-02-20 00:46:46,975 WARN L202 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-02-20 00:46:47,579 WARN L202 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-02-20 00:46:48,181 WARN L202 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-02-20 00:46:48,823 WARN L202 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-02-20 00:46:49,464 WARN L202 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-02-20 00:46:50,147 WARN L202 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-02-20 00:47:14,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:14,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-20 00:47:15,664 INFO L244 Elim1Store]: Index analysis took 1246 ms [2021-02-20 00:47:17,426 WARN L202 SmtUtils]: Spent 1.76 s on a formula simplification that was a NOOP. DAG size: 237 [2021-02-20 00:47:17,428 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:47:17,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 24 select indices, 24 select index equivalence classes, 231 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 45 case distinctions, treesize of input 182 treesize of output 606 [2021-02-20 00:47:23,286 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 1393 DAG size of output: 1376 [2021-02-20 00:47:23,453 WARN L202 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 1641 DAG size of output: 1631 [2021-02-20 00:47:24,478 WARN L202 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 2323 DAG size of output: 2278 [2021-02-20 00:47:24,731 WARN L202 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 2323 DAG size of output: 2278 [2021-02-20 00:47:25,266 WARN L202 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 2346 DAG size of output: 3471 [2021-02-20 00:47:25,728 WARN L202 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 2218 DAG size of output: 2633 [2021-02-20 00:47:26,169 WARN L202 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 2156 DAG size of output: 2661 [2021-02-20 00:47:29,496 WARN L202 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 2028 DAG size of output: 1870 [2021-02-20 00:47:33,082 WARN L202 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 4630 DAG size of output: 4431 [2021-02-20 00:47:33,514 WARN L202 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 2099 DAG size of output: 2912 [2021-02-20 00:47:33,711 WARN L202 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 1991 DAG size of output: 1952 [2021-02-20 00:47:33,952 WARN L202 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 1402 DAG size of output: 1836 [2021-02-20 00:47:36,750 WARN L202 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 2262 DAG size of output: 2202 [2021-02-20 00:47:39,673 WARN L202 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 2144 DAG size of output: 2005 [2021-02-20 00:47:40,103 WARN L202 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 4006 DAG size of output: 3817 [2021-02-20 00:47:40,476 WARN L202 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 1865 DAG size of output: 2231 [2021-02-20 00:47:40,641 WARN L202 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 1700 [2021-02-20 00:47:40,860 WARN L202 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 1220 DAG size of output: 1503 [2021-02-20 00:47:43,552 WARN L202 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 2014 DAG size of output: 1940 [2021-02-20 00:47:45,881 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 1733 DAG size of output: 1633 [2021-02-20 00:47:46,277 WARN L202 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 3342 DAG size of output: 3187 [2021-02-20 00:47:46,438 WARN L202 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 1501 DAG size of output: 1485 [2021-02-20 00:48:00,756 WARN L202 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 3524 DAG size of output: 3392 [2021-02-20 00:48:01,541 WARN L202 SmtUtils]: Spent 762.00 ms on a formula simplification. DAG size of input: 5897 DAG size of output: 5610 [2021-02-20 00:48:02,853 WARN L202 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 8616 DAG size of output: 8214 [2021-02-20 00:48:04,918 WARN L202 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 11401 DAG size of output: 10838 [2021-02-20 00:48:05,407 WARN L202 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 2172 DAG size of output: 2863 [2021-02-20 00:48:05,535 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 812 DAG size of output: 1168 [2021-02-20 00:48:08,780 WARN L202 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 1642 DAG size of output: 1529 [2021-02-20 00:48:08,947 WARN L202 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 2172 DAG size of output: 2017 [2021-02-20 00:48:12,772 WARN L202 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 4887 DAG size of output: 4632 [2021-02-20 00:48:15,611 WARN L202 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 14808 DAG size of output: 14065 [2021-02-20 00:48:18,538 WARN L202 SmtUtils]: Spent 2.84 s on a formula simplification. DAG size of input: 14808 DAG size of output: 14067 [2021-02-20 00:48:21,473 WARN L202 SmtUtils]: Spent 2.88 s on a formula simplification. DAG size of input: 14824 DAG size of output: 14082 [2021-02-20 00:48:26,964 WARN L202 SmtUtils]: Spent 5.38 s on a formula simplification. DAG size of input: 14082 DAG size of output: 18298 [2021-02-20 00:48:29,490 WARN L202 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 13415 DAG size of output: 13350 [2021-02-20 00:48:29,965 WARN L202 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 4174 DAG size of output: 4190 [2021-02-20 00:48:30,212 WARN L202 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 1268 DAG size of output: 1571 [2021-02-20 00:48:32,742 WARN L202 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 870 DAG size of output: 1343 [2021-02-20 00:48:39,654 WARN L202 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 2060 DAG size of output: 1934 [2021-02-20 00:48:39,987 WARN L202 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 2632 DAG size of output: 2426 [2021-02-20 00:48:40,206 WARN L202 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 1261 DAG size of output: 1646 [2021-02-20 00:48:42,536 WARN L202 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 2075 DAG size of output: 1716 [2021-02-20 00:48:43,126 WARN L202 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 3855 DAG size of output: 3396 [2021-02-20 00:48:46,813 WARN L202 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 1629 DAG size of output: 1402 [2021-02-20 00:48:47,342 WARN L202 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 2815 DAG size of output: 3523 [2021-02-20 00:48:47,799 WARN L202 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 2364 DAG size of output: 2622 [2021-02-20 00:48:48,118 WARN L202 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 1920 DAG size of output: 2277 [2021-02-20 00:48:50,839 WARN L202 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 2801 DAG size of output: 2226 [2021-02-20 00:48:51,172 WARN L202 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 1957 DAG size of output: 2240 [2021-02-20 00:48:53,753 WARN L202 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 2635 DAG size of output: 2369 [2021-02-20 00:48:54,342 WARN L202 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 3880 DAG size of output: 3320 [2021-02-20 00:48:54,614 WARN L202 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 2788 DAG size of output: 2790 [2021-02-20 00:48:58,870 WARN L202 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 1408 DAG size of output: 1738 [2021-02-20 00:49:00,563 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 2117 DAG size of output: 1558 [2021-02-20 00:49:00,966 WARN L202 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 4129 DAG size of output: 3268 [2021-02-20 00:49:02,020 WARN L202 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 5991 DAG size of output: 4947 [2021-02-20 00:49:03,987 WARN L202 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 10175 DAG size of output: 8582 [2021-02-20 00:49:05,758 WARN L202 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 10425 DAG size of output: 10427 [2021-02-20 00:49:06,204 WARN L202 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 3718 DAG size of output: 3727 [2021-02-20 00:49:06,436 WARN L202 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 2128 DAG size of output: 2129 [2021-02-20 00:49:09,730 WARN L202 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 685 DAG size of output: 1270 [2021-02-20 00:49:14,735 WARN L202 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 2041 DAG size of output: 1811 [2021-02-20 00:49:20,972 WARN L202 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 4812 DAG size of output: 4177 [2021-02-20 00:49:21,175 WARN L202 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 1478 DAG size of output: 1894 [2021-02-20 00:49:23,430 WARN L202 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 2092 DAG size of output: 1862 [2021-02-20 00:49:27,413 WARN L202 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 1782 DAG size of output: 1566 [2021-02-20 00:49:28,361 WARN L202 SmtUtils]: Spent 926.00 ms on a formula simplification. DAG size of input: 7879 DAG size of output: 6854 [2021-02-20 00:49:29,124 WARN L202 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 5573 DAG size of output: 5575 [2021-02-20 00:49:30,449 WARN L202 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 3363 DAG size of output: 6625 [2021-02-20 00:49:30,806 WARN L202 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 3287 DAG size of output: 3286 [2021-02-20 00:49:32,976 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 1029 DAG size of output: 1180 [2021-02-20 00:49:37,325 WARN L202 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 1924 DAG size of output: 1813 [2021-02-20 00:49:49,957 WARN L202 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 4836 DAG size of output: 4547 [2021-02-20 00:49:54,302 WARN L202 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 3125 DAG size of output: 3053 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown