/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 12:03:48,793 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 12:03:48,795 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 12:03:48,824 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-06 12:03:48,830 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-06 12:03:48,830 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-06 12:03:48,831 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-06 12:03:48,832 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-06 12:03:48,832 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-06 12:03:48,833 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-06 12:03:48,834 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-06 12:03:48,835 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-06 12:03:48,836 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-06 12:03:48,837 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-06 12:03:48,837 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-06 12:03:48,838 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-06 12:03:48,840 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-06 12:03:48,845 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-06 12:03:48,845 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-06 12:03:48,846 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-06 12:03:48,846 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe.epf [2021-06-06 12:03:48,861 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 12:03:48,861 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 12:03:48,861 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 12:03:48,861 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 12:03:48,862 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 12:03:48,862 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 12:03:48,862 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 12:03:48,863 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 12:03:48,863 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 12:03:48,863 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 12:03:48,863 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 12:03:48,863 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 12:03:48,863 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 12:03:48,863 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 12:03:48,863 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 12:03:48,863 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 12:03:48,863 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 12:03:48,864 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 12:03:48,864 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 12:03:48,864 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 12:03:48,864 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 12:03:48,864 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 12:03:48,864 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 12:03:48,864 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 12:03:48,864 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 12:03:48,864 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 12:03:48,865 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 12:03:48,865 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 12:03:48,865 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 12:03:48,865 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 12:03:48,865 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 12:03:48,865 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 12:03:48,865 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 12:03:48,865 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 12:03:49,087 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 12:03:49,105 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 12:03:49,107 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 12:03:49,107 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-06 12:03:49,109 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-06 12:03:49,109 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array.wvr.bpl [2021-06-06 12:03:49,110 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array.wvr.bpl' [2021-06-06 12:03:49,127 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 12:03:49,128 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-06 12:03:49,129 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 12:03:49,129 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 12:03:49,129 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 12:03:49,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 12:03:49" (1/1) ... [2021-06-06 12:03:49,143 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 12:03:49" (1/1) ... [2021-06-06 12:03:49,147 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 12:03:49,148 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 12:03:49,149 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 12:03:49,149 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 12:03:49,153 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 12:03:49" (1/1) ... [2021-06-06 12:03:49,154 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 12:03:49" (1/1) ... [2021-06-06 12:03:49,154 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 12:03:49" (1/1) ... [2021-06-06 12:03:49,154 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 12:03:49" (1/1) ... [2021-06-06 12:03:49,156 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 12:03:49" (1/1) ... [2021-06-06 12:03:49,158 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 12:03:49" (1/1) ... [2021-06-06 12:03:49,158 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 12:03:49" (1/1) ... [2021-06-06 12:03:49,159 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 12:03:49,159 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 12:03:49,159 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 12:03:49,159 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 12:03:49,166 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 12:03:49" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 12:03:49,213 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-06 12:03:49,213 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-06 12:03:49,213 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-06 12:03:49,214 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-06 12:03:49,214 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-06 12:03:49,214 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-06 12:03:49,214 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-06 12:03:49,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 12:03:49,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 12:03:49,214 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-06 12:03:49,214 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-06 12:03:49,214 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-06 12:03:49,215 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 12:03:49,434 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 12:03:49,434 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-06 12:03:49,435 INFO L202 PluginConnector]: Adding new model sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 12:03:49 BoogieIcfgContainer [2021-06-06 12:03:49,436 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 12:03:49,437 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 12:03:49,437 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 12:03:49,439 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 12:03:49,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 12:03:49" (1/2) ... [2021-06-06 12:03:49,439 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23eaaf9d and model type sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 12:03:49, skipping insertion in model container [2021-06-06 12:03:49,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 12:03:49" (2/2) ... [2021-06-06 12:03:49,440 INFO L111 eAbstractionObserver]: Analyzing ICFG sum-array.wvr.bpl [2021-06-06 12:03:49,444 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 12:03:49,444 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 12:03:49,444 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 12:03:49,445 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 12:03:49,467 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-06 12:03:49,481 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 12:03:49,539 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 12:03:49,539 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 12:03:49,539 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 12:03:49,539 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 12:03:49,539 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 12:03:49,539 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 12:03:49,539 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 12:03:49,539 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 12:03:49,596 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 12:03:49,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 12:03:49,599 INFO L82 PathProgramCache]: Analyzing trace with hash 1399820781, now seen corresponding path program 1 times [2021-06-06 12:03:49,604 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 12:03:49,605 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876219384] [2021-06-06 12:03:49,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 12:03:49,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 12:03:49,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 12:03:49,689 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 12:03:49,689 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876219384] [2021-06-06 12:03:49,689 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876219384] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 12:03:49,690 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 12:03:49,690 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-06 12:03:49,690 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334600950] [2021-06-06 12:03:49,693 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 12:03:49,693 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 12:03:49,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 12:03:49,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 12:03:49,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:03:49,704 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 12:03:49,708 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 12:03:49,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:03:49,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:03:49,733 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 12:03:49,733 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 12:03:49,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 12:03:49,736 INFO L82 PathProgramCache]: Analyzing trace with hash 1882321483, now seen corresponding path program 1 times [2021-06-06 12:03:49,736 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 12:03:49,737 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083339965] [2021-06-06 12:03:49,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 12:03:49,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 12:03:49,802 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 12:03:49,802 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 12:03:49,803 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083339965] [2021-06-06 12:03:49,803 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083339965] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 12:03:49,803 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 12:03:49,803 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-06 12:03:49,803 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603556861] [2021-06-06 12:03:49,804 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-06 12:03:49,804 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 12:03:49,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-06 12:03:49,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-06 12:03:49,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:03:49,805 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 12:03:49,805 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 12:03:49,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:03:49,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:03:49,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:03:49,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:03:49,850 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-06 12:03:49,851 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 12:03:49,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 12:03:49,851 INFO L82 PathProgramCache]: Analyzing trace with hash 1166833961, now seen corresponding path program 1 times [2021-06-06 12:03:49,852 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 12:03:49,852 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043357010] [2021-06-06 12:03:49,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 12:03:49,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 12:03:50,027 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 12:03:50,028 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 12:03:50,028 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043357010] [2021-06-06 12:03:50,028 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043357010] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:03:50,028 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1410465127] [2021-06-06 12:03:50,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 12:03:50,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 12:03:50,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-06 12:03:50,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 12:03:50,210 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 12:03:50,214 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-06-06 12:03:50,216 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 12:03:50,223 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 12:03:50,225 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 12:03:50,225 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:3 [2021-06-06 12:03:50,255 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 12:03:50,256 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1410465127] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:03:50,256 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 12:03:50,256 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-06-06 12:03:50,256 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693590514] [2021-06-06 12:03:50,257 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-06 12:03:50,257 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 12:03:50,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-06 12:03:50,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-06-06 12:03:50,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:03:50,259 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 12:03:50,260 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 11 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 12:03:50,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:03:50,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:03:50,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:03:50,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:03:50,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:03:50,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 12:03:50,595 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 12:03:50,595 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 12:03:50,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 12:03:50,596 INFO L82 PathProgramCache]: Analyzing trace with hash 2135652999, now seen corresponding path program 2 times [2021-06-06 12:03:50,596 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 12:03:50,596 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876213298] [2021-06-06 12:03:50,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 12:03:50,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 12:03:50,668 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 12:03:50,669 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 12:03:50,669 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876213298] [2021-06-06 12:03:50,669 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876213298] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:03:50,669 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1301253423] [2021-06-06 12:03:50,669 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 12:03:50,695 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 12:03:50,696 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 12:03:50,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-06 12:03:50,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 12:03:50,793 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 12:03:50,793 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1301253423] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:03:50,794 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 12:03:50,794 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-06-06 12:03:50,794 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672602295] [2021-06-06 12:03:50,797 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-06 12:03:50,797 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 12:03:50,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-06 12:03:50,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-06-06 12:03:50,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:03:50,798 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 12:03:50,798 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 12:03:50,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:03:50,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:03:50,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 12:03:50,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:03:50,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:03:50,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:03:50,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 12:03:50,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 12:03:51,140 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 12:03:51,141 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 12:03:51,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 12:03:51,141 INFO L82 PathProgramCache]: Analyzing trace with hash -357408053, now seen corresponding path program 1 times [2021-06-06 12:03:51,142 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 12:03:51,142 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017206030] [2021-06-06 12:03:51,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 12:03:51,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 12:03:51,193 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 12:03:51,193 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 12:03:51,193 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017206030] [2021-06-06 12:03:51,193 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017206030] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:03:51,193 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [985963741] [2021-06-06 12:03:51,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 12:03:51,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 12:03:51,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-06 12:03:51,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 12:03:51,292 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 12:03:51,292 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [985963741] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:03:51,292 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 12:03:51,292 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-06-06 12:03:51,292 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438004745] [2021-06-06 12:03:51,293 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-06 12:03:51,293 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 12:03:51,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-06 12:03:51,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-06-06 12:03:51,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:03:51,293 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 12:03:51,293 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 12:03:51,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:03:51,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:03:51,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 12:03:51,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 12:03:51,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:03:51,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:03:51,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:03:51,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 12:03:51,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 12:03:51,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 12:03:51,584 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 12:03:51,585 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 12:03:51,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 12:03:51,585 INFO L82 PathProgramCache]: Analyzing trace with hash -336173655, now seen corresponding path program 2 times [2021-06-06 12:03:51,585 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 12:03:51,585 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645499677] [2021-06-06 12:03:51,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 12:03:51,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 12:03:51,945 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 12:03:51,945 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 12:03:51,946 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645499677] [2021-06-06 12:03:51,946 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645499677] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:03:51,946 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [411725250] [2021-06-06 12:03:51,946 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-06-06 12:03:51,985 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 12:03:51,986 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 12:03:51,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 37 conjunts are in the unsatisfiable core [2021-06-06 12:03:51,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 12:03:52,391 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 12:03:52,392 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 25 treesize of output 37 [2021-06-06 12:03:52,426 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-06-06 12:03:52,455 INFO L628 ElimStorePlain]: treesize reduction 35, result has 41.7 percent of original size [2021-06-06 12:03:52,465 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 12:03:52,465 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:41, output treesize:29 [2021-06-06 12:03:52,528 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 12:03:52,528 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [411725250] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:03:52,529 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 12:03:52,529 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16] total 24 [2021-06-06 12:03:52,529 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608144882] [2021-06-06 12:03:52,529 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-06 12:03:52,529 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 12:03:52,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-06 12:03:52,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=471, Unknown=0, NotChecked=0, Total=552 [2021-06-06 12:03:52,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:03:52,530 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 12:03:52,530 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 2.125) internal successors, (51), 24 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 12:03:52,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:03:52,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:03:52,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 12:03:52,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 12:03:52,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 12:03:52,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:03:53,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:03:53,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:03:53,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 12:03:53,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 12:03:53,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 12:03:53,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:03:53,559 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-06-06 12:03:53,559 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 12:03:53,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 12:03:53,559 INFO L82 PathProgramCache]: Analyzing trace with hash -1404753657, now seen corresponding path program 3 times [2021-06-06 12:03:53,559 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 12:03:53,559 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366945530] [2021-06-06 12:03:53,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 12:03:53,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 12:03:53,634 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 12:03:53,635 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 12:03:53,635 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366945530] [2021-06-06 12:03:53,635 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366945530] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:03:53,635 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [205105271] [2021-06-06 12:03:53,635 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 12:03:53,665 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-06 12:03:53,665 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 12:03:53,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-06 12:03:53,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 12:03:53,856 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 12:03:53,856 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [205105271] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:03:53,856 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 12:03:53,856 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-06-06 12:03:53,856 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472608242] [2021-06-06 12:03:53,857 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-06 12:03:53,857 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 12:03:53,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-06 12:03:53,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-06-06 12:03:53,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:03:53,857 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 12:03:53,858 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 2.55) internal successors, (51), 20 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 12:03:53,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:03:53,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:03:53,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 12:03:53,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 12:03:53,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 12:03:53,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:03:53,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:03:54,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:03:54,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:03:54,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 12:03:54,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 12:03:54,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 12:03:54,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:03:54,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 12:03:54,448 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 12:03:54,449 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 12:03:54,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 12:03:54,449 INFO L82 PathProgramCache]: Analyzing trace with hash -1909403317, now seen corresponding path program 4 times [2021-06-06 12:03:54,449 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 12:03:54,449 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122775398] [2021-06-06 12:03:54,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 12:03:54,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 12:03:54,513 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 12:03:54,514 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 12:03:54,514 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122775398] [2021-06-06 12:03:54,514 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122775398] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:03:54,514 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1334808482] [2021-06-06 12:03:54,514 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 12:03:54,544 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 12:03:54,544 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 12:03:54,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-06 12:03:54,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 12:03:54,673 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 12:03:54,673 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1334808482] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:03:54,673 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 12:03:54,673 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-06-06 12:03:54,673 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537752282] [2021-06-06 12:03:54,674 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-06 12:03:54,674 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 12:03:54,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-06 12:03:54,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-06-06 12:03:54,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:03:54,674 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 12:03:54,674 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 2.823529411764706) internal successors, (48), 17 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 12:03:54,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:03:54,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:03:54,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 12:03:54,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 12:03:54,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 12:03:54,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:03:54,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 12:03:54,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:03:54,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:03:54,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:03:54,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 12:03:54,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 12:03:54,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 12:03:54,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:03:54,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 12:03:54,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:03:55,008 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 12:03:55,009 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 12:03:55,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 12:03:55,009 INFO L82 PathProgramCache]: Analyzing trace with hash 665523753, now seen corresponding path program 5 times [2021-06-06 12:03:55,009 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 12:03:55,009 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277674226] [2021-06-06 12:03:55,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 12:03:55,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 12:03:55,445 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 12:03:55,445 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 12:03:55,445 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277674226] [2021-06-06 12:03:55,445 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277674226] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:03:55,445 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2132432552] [2021-06-06 12:03:55,445 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 12:03:55,479 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-06 12:03:55,480 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 12:03:55,480 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 48 conjunts are in the unsatisfiable core [2021-06-06 12:03:55,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 12:03:56,056 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 12:03:56,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:03:56,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:03:56,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:03:56,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:03:56,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 17 [2021-06-06 12:03:56,061 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 12:03:56,065 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 12:03:56,066 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 12:03:56,066 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:48, output treesize:3 [2021-06-06 12:03:56,086 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 12:03:56,086 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2132432552] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:03:56,087 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 12:03:56,087 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 31 [2021-06-06 12:03:56,087 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459592241] [2021-06-06 12:03:56,087 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-06 12:03:56,087 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 12:03:56,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-06 12:03:56,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=845, Unknown=0, NotChecked=0, Total=930 [2021-06-06 12:03:56,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:03:56,088 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 12:03:56,088 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 2.193548387096774) internal successors, (68), 31 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 12:03:56,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:03:56,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:03:56,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 12:03:56,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 12:03:56,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 12:03:56,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:03:56,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 12:03:56,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:03:56,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:03:57,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:03:57,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:03:57,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 12:03:57,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 12:03:57,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 12:03:57,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:03:57,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 12:03:57,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:03:57,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 12:03:57,383 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-06-06 12:03:57,383 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 12:03:57,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 12:03:57,384 INFO L82 PathProgramCache]: Analyzing trace with hash 440189797, now seen corresponding path program 6 times [2021-06-06 12:03:57,384 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 12:03:57,384 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214129469] [2021-06-06 12:03:57,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 12:03:57,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 12:03:57,969 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 4 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 12:03:57,970 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 12:03:57,970 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214129469] [2021-06-06 12:03:57,970 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214129469] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:03:57,970 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [435221400] [2021-06-06 12:03:57,970 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 12:03:58,002 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-06-06 12:03:58,002 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 12:03:58,003 WARN L261 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 59 conjunts are in the unsatisfiable core [2021-06-06 12:03:58,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 12:03:58,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:03:58,800 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 12:03:58,857 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 12:03:58,857 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 13 case distinctions, treesize of input 43 treesize of output 107 [2021-06-06 12:03:59,193 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-06 12:03:59,357 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 23 [2021-06-06 12:03:59,357 INFO L628 ElimStorePlain]: treesize reduction 1744, result has 1.7 percent of original size [2021-06-06 12:03:59,379 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 12:03:59,379 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:65, output treesize:19 [2021-06-06 12:03:59,438 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 12:03:59,438 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [435221400] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:03:59,438 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 12:03:59,438 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 22] total 37 [2021-06-06 12:03:59,438 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404241634] [2021-06-06 12:03:59,439 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-06 12:03:59,439 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 12:03:59,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-06 12:03:59,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=1214, Unknown=0, NotChecked=0, Total=1332 [2021-06-06 12:03:59,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:03:59,439 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 12:03:59,440 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 2.027027027027027) internal successors, (75), 37 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) [2021-06-06 12:03:59,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:03:59,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:03:59,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 12:03:59,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 12:03:59,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 12:03:59,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:03:59,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 12:03:59,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:03:59,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 12:03:59,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:04:00,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:04:00,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:04:00,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 12:04:00,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 12:04:00,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 12:04:00,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:04:00,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 12:04:00,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:04:00,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 12:04:00,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:04:00,856 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-06-06 12:04:00,856 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 12:04:00,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 12:04:00,857 INFO L82 PathProgramCache]: Analyzing trace with hash 932932035, now seen corresponding path program 7 times [2021-06-06 12:04:00,857 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 12:04:00,857 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665054693] [2021-06-06 12:04:00,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 12:04:00,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 12:04:00,988 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 25 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 12:04:00,988 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 12:04:00,988 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665054693] [2021-06-06 12:04:00,989 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665054693] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:04:00,989 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1999692308] [2021-06-06 12:04:00,989 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 12:04:01,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 12:04:01,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-06 12:04:01,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 12:04:01,346 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 36 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 12:04:01,346 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1999692308] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:04:01,346 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 12:04:01,346 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 31 [2021-06-06 12:04:01,347 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048912695] [2021-06-06 12:04:01,347 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-06 12:04:01,347 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 12:04:01,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-06 12:04:01,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=765, Unknown=0, NotChecked=0, Total=930 [2021-06-06 12:04:01,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:04:01,348 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 12:04:01,348 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 2.3548387096774195) internal successors, (73), 31 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 12:04:01,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:04:01,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:04:01,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 12:04:01,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 12:04:01,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 12:04:01,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:04:01,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 12:04:01,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:04:01,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 12:04:01,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:04:01,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:04:02,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:04:02,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:04:02,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 12:04:02,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 12:04:02,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 12:04:02,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:04:02,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 12:04:02,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:04:02,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 12:04:02,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:04:02,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 12:04:02,465 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 12:04:02,465 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 12:04:02,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 12:04:02,465 INFO L82 PathProgramCache]: Analyzing trace with hash 1748614505, now seen corresponding path program 8 times [2021-06-06 12:04:02,465 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 12:04:02,465 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442184552] [2021-06-06 12:04:02,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 12:04:02,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 12:04:02,610 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 40 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 12:04:02,611 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 12:04:02,611 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442184552] [2021-06-06 12:04:02,611 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442184552] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:04:02,611 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [5714997] [2021-06-06 12:04:02,611 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 12:04:02,642 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 12:04:02,642 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 12:04:02,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-06 12:04:02,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 12:04:02,945 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 49 proven. 49 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-06 12:04:02,946 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [5714997] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:04:02,946 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 12:04:02,946 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 18] total 36 [2021-06-06 12:04:02,946 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166225825] [2021-06-06 12:04:02,946 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-06-06 12:04:02,946 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 12:04:02,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-06-06 12:04:02,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=177, Invalid=1083, Unknown=0, NotChecked=0, Total=1260 [2021-06-06 12:04:02,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:04:02,947 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 12:04:02,947 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 2.4722222222222223) internal successors, (89), 36 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 12:04:02,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:04:02,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:04:02,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 12:04:02,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 12:04:02,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 12:04:02,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:04:02,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 12:04:02,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:04:02,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 12:04:02,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:04:02,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-06 12:04:02,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:04:03,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:04:03,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:04:03,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 12:04:03,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 12:04:03,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 12:04:03,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:04:03,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 12:04:03,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:04:03,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 12:04:03,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:04:03,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 12:04:03,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 12:04:03,569 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable52 [2021-06-06 12:04:03,569 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 12:04:03,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 12:04:03,570 INFO L82 PathProgramCache]: Analyzing trace with hash 414393799, now seen corresponding path program 9 times [2021-06-06 12:04:03,570 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 12:04:03,570 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228211788] [2021-06-06 12:04:03,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 12:04:03,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 12:04:03,714 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 40 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 12:04:03,714 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 12:04:03,714 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228211788] [2021-06-06 12:04:03,714 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228211788] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:04:03,714 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [743577684] [2021-06-06 12:04:03,714 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 12:04:03,749 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2021-06-06 12:04:03,749 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 12:04:03,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 20 conjunts are in the unsatisfiable core [2021-06-06 12:04:03,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 12:04:04,084 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 40 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 12:04:04,084 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [743577684] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:04:04,084 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 12:04:04,085 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 38 [2021-06-06 12:04:04,085 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136086826] [2021-06-06 12:04:04,085 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-06-06 12:04:04,085 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 12:04:04,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-06-06 12:04:04,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=273, Invalid=1133, Unknown=0, NotChecked=0, Total=1406 [2021-06-06 12:04:04,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:04:04,086 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 12:04:04,086 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 2.289473684210526) internal successors, (87), 38 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) [2021-06-06 12:04:04,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:04:04,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:04:04,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 12:04:04,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 12:04:04,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 12:04:04,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:04:04,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 12:04:04,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:04:04,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 12:04:04,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:04:04,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-06 12:04:04,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 12:04:04,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:04:04,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:04:04,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:04:04,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 12:04:04,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 12:04:04,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 12:04:04,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:04:04,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 12:04:04,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:04:04,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 12:04:04,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:04:04,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 12:04:04,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 12:04:04,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:04:04,476 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 12:04:04,476 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 12:04:04,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 12:04:04,476 INFO L82 PathProgramCache]: Analyzing trace with hash -1871450459, now seen corresponding path program 10 times [2021-06-06 12:04:04,477 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 12:04:04,477 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060721706] [2021-06-06 12:04:04,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 12:04:04,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 12:04:05,127 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 0 proven. 134 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 12:04:05,127 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 12:04:05,127 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060721706] [2021-06-06 12:04:05,127 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060721706] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:04:05,128 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [11020613] [2021-06-06 12:04:05,128 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 12:04:05,168 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 12:04:05,168 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 12:04:05,169 WARN L261 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 80 conjunts are in the unsatisfiable core [2021-06-06 12:04:05,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 12:04:06,128 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 12:04:06,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:04:06,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:04:06,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:04:06,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:04:06,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:04:06,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:04:06,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:04:06,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:04:06,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:04:06,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:04:06,137 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 12:04:06,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:04:06,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:04:06,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:04:06,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:04:06,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:04:06,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:04:06,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:04:06,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:04:06,143 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 12:04:06,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:04:06,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:04:06,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:04:06,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:04:06,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:04:06,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:04:06,149 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 36 disjoint index pairs (out of 66 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 37 [2021-06-06 12:04:06,150 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 12:04:06,158 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 12:04:06,160 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 12:04:06,160 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:115, output treesize:7 [2021-06-06 12:04:06,194 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 0 proven. 134 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 12:04:06,194 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [11020613] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:04:06,195 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 12:04:06,195 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24] total 37 [2021-06-06 12:04:06,195 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898811118] [2021-06-06 12:04:06,195 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-06 12:04:06,195 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 12:04:06,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-06 12:04:06,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=1234, Unknown=0, NotChecked=0, Total=1332 [2021-06-06 12:04:06,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:04:06,196 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 12:04:06,196 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 2.2432432432432434) internal successors, (83), 37 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 12:04:06,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:04:06,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:04:06,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 12:04:06,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 12:04:06,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 12:04:06,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:04:06,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 12:04:06,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:04:06,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 12:04:06,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:04:06,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-06 12:04:06,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 12:04:06,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:04:06,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:04:07,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:04:07,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:04:07,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 12:04:07,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 12:04:07,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 12:04:07,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:04:07,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 12:04:07,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:04:07,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 12:04:07,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:04:07,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 12:04:07,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 12:04:07,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:04:07,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 12:04:07,265 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable54 [2021-06-06 12:04:07,265 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 12:04:07,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 12:04:07,265 INFO L82 PathProgramCache]: Analyzing trace with hash 455473155, now seen corresponding path program 11 times [2021-06-06 12:04:07,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 12:04:07,265 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572466034] [2021-06-06 12:04:07,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 12:04:07,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 12:04:07,468 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 64 proven. 89 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 12:04:07,468 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 12:04:07,468 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572466034] [2021-06-06 12:04:07,468 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572466034] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:04:07,468 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2065299093] [2021-06-06 12:04:07,468 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 12:04:07,516 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2021-06-06 12:04:07,516 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 12:04:07,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 23 conjunts are in the unsatisfiable core [2021-06-06 12:04:07,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 12:04:07,969 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 81 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 12:04:07,970 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2065299093] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:04:07,970 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 12:04:07,970 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24] total 43 [2021-06-06 12:04:07,970 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415323298] [2021-06-06 12:04:07,970 INFO L462 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-06-06 12:04:07,970 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 12:04:07,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-06-06 12:04:07,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=318, Invalid=1488, Unknown=0, NotChecked=0, Total=1806 [2021-06-06 12:04:07,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:04:07,971 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 12:04:07,971 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 43 states, 43 states have (on average 2.255813953488372) internal successors, (97), 43 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 12:04:07,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:04:07,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:04:07,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 12:04:07,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 12:04:07,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 12:04:07,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:04:07,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 12:04:07,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:04:07,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 12:04:07,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:04:07,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-06 12:04:07,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 12:04:07,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:04:07,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 12:04:07,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:04:09,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:04:09,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:04:09,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 12:04:09,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 12:04:09,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 12:04:09,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:04:09,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 12:04:09,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:04:09,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 12:04:09,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:04:09,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 12:04:09,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 12:04:09,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:04:09,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 12:04:09,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-06 12:04:09,796 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 12:04:09,797 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 12:04:09,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 12:04:09,797 INFO L82 PathProgramCache]: Analyzing trace with hash -357524567, now seen corresponding path program 12 times [2021-06-06 12:04:09,797 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 12:04:09,797 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435382000] [2021-06-06 12:04:09,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 12:04:09,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 12:04:10,024 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 85 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 12:04:10,025 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 12:04:10,025 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435382000] [2021-06-06 12:04:10,025 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435382000] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:04:10,025 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [941227172] [2021-06-06 12:04:10,025 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 12:04:10,083 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2021-06-06 12:04:10,083 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 12:04:10,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 25 conjunts are in the unsatisfiable core [2021-06-06 12:04:10,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 12:04:10,613 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 85 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 12:04:10,613 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [941227172] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:04:10,613 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 12:04:10,613 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 48 [2021-06-06 12:04:10,613 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758490143] [2021-06-06 12:04:10,613 INFO L462 AbstractCegarLoop]: Interpolant automaton has 48 states [2021-06-06 12:04:10,614 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 12:04:10,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2021-06-06 12:04:10,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=429, Invalid=1827, Unknown=0, NotChecked=0, Total=2256 [2021-06-06 12:04:10,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:04:10,615 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 12:04:10,616 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 48 states, 48 states have (on average 2.2291666666666665) internal successors, (107), 48 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 12:04:10,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:04:10,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:04:10,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 12:04:10,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 12:04:10,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 12:04:10,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:04:10,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 12:04:10,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:04:10,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 12:04:10,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:04:10,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-06 12:04:10,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 12:04:10,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:04:10,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 12:04:10,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-06 12:04:10,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:04:10,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:04:10,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:04:10,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 12:04:10,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 12:04:10,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 12:04:10,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:04:10,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 12:04:10,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:04:10,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 12:04:10,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:04:10,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 12:04:10,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 12:04:10,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:04:10,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 12:04:10,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-06 12:04:10,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 12:04:11,080 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable56 [2021-06-06 12:04:11,081 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 12:04:11,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 12:04:11,081 INFO L82 PathProgramCache]: Analyzing trace with hash 2087347975, now seen corresponding path program 13 times [2021-06-06 12:04:11,081 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 12:04:11,081 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264164119] [2021-06-06 12:04:11,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 12:04:11,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 12:04:11,330 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 85 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 12:04:11,330 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 12:04:11,330 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264164119] [2021-06-06 12:04:11,330 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264164119] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:04:11,330 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1314222009] [2021-06-06 12:04:11,330 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 12:04:11,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 12:04:11,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 26 conjunts are in the unsatisfiable core [2021-06-06 12:04:11,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 12:04:11,899 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 85 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 12:04:11,900 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1314222009] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:04:11,900 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 12:04:11,900 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 50 [2021-06-06 12:04:11,900 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204607939] [2021-06-06 12:04:11,900 INFO L462 AbstractCegarLoop]: Interpolant automaton has 50 states [2021-06-06 12:04:11,900 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 12:04:11,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2021-06-06 12:04:11,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=468, Invalid=1982, Unknown=0, NotChecked=0, Total=2450 [2021-06-06 12:04:11,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:04:11,902 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 12:04:11,902 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 50 states, 50 states have (on average 2.22) internal successors, (111), 50 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) [2021-06-06 12:04:11,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:04:11,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:04:11,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 12:04:11,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 12:04:11,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 12:04:11,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:04:11,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 12:04:11,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:04:11,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 12:04:11,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:04:11,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-06 12:04:11,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 12:04:11,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:04:11,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 12:04:11,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-06 12:04:11,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 12:04:11,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:04:12,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:04:12,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:04:12,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 12:04:12,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 12:04:12,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 12:04:12,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:04:12,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 12:04:12,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:04:12,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 12:04:12,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:04:12,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 12:04:12,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 12:04:12,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:04:12,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 12:04:12,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-06 12:04:12,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 12:04:12,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 12:04:12,398 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 12:04:12,398 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 12:04:12,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 12:04:12,398 INFO L82 PathProgramCache]: Analyzing trace with hash -2032217371, now seen corresponding path program 14 times [2021-06-06 12:04:12,399 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 12:04:12,399 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790765129] [2021-06-06 12:04:12,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 12:04:12,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 12:04:13,378 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 0 proven. 248 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 12:04:13,379 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 12:04:13,379 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790765129] [2021-06-06 12:04:13,379 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790765129] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:04:13,379 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [252476861] [2021-06-06 12:04:13,379 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 12:04:13,418 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 12:04:13,418 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 12:04:13,420 WARN L261 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 104 conjunts are in the unsatisfiable core [2021-06-06 12:04:13,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 12:04:14,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:04:14,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:04:14,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:04:14,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:04:14,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:04:14,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:04:14,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:04:14,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:04:14,915 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 12:04:14,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:04:14,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:04:14,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:04:14,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:04:14,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:04:14,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:04:14,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:04:14,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:04:14,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:04:14,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:04:14,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:04:14,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:04:14,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:04:14,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:04:14,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:04:14,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:04:14,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:04:14,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:04:14,928 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 12:04:14,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:04:14,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:04:14,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:04:14,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:04:14,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:04:14,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:04:14,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:04:14,934 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 12:04:14,934 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 66 disjoint index pairs (out of 105 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 46 [2021-06-06 12:04:14,936 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 12:04:14,943 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 12:04:14,943 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 12:04:14,944 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:142, output treesize:7 [2021-06-06 12:04:14,979 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 0 proven. 248 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 12:04:14,979 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [252476861] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:04:14,979 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 12:04:14,979 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30] total 46 [2021-06-06 12:04:14,979 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546888993] [2021-06-06 12:04:14,980 INFO L462 AbstractCegarLoop]: Interpolant automaton has 46 states [2021-06-06 12:04:14,980 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 12:04:14,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-06-06 12:04:14,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=1948, Unknown=0, NotChecked=0, Total=2070 [2021-06-06 12:04:14,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:04:14,980 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 12:04:14,981 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 46 states, 46 states have (on average 2.1956521739130435) internal successors, (101), 46 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 12:04:14,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:04:14,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:04:14,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 12:04:14,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 12:04:14,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 12:04:14,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:04:14,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 12:04:14,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:04:14,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 12:04:14,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:04:14,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-06 12:04:14,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 12:04:14,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:04:14,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 12:04:14,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-06 12:04:14,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 12:04:14,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 12:04:14,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:04:16,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:04:16,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:04:16,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 12:04:16,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 12:04:16,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 12:04:16,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:04:16,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 12:04:16,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:04:16,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 12:04:16,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:04:16,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 12:04:16,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 12:04:16,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:04:16,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 12:04:16,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-06 12:04:16,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 12:04:16,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 12:04:16,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 12:04:16,526 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2021-06-06 12:04:16,526 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 12:04:16,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 12:04:16,527 INFO L82 PathProgramCache]: Analyzing trace with hash -974667965, now seen corresponding path program 15 times [2021-06-06 12:04:16,527 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 12:04:16,527 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828301661] [2021-06-06 12:04:16,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 12:04:16,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 12:04:16,816 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 121 proven. 152 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 12:04:16,816 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 12:04:16,816 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828301661] [2021-06-06 12:04:16,816 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828301661] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:04:16,816 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1278689945] [2021-06-06 12:04:16,816 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 12:04:16,859 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2021-06-06 12:04:16,859 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 12:04:16,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 29 conjunts are in the unsatisfiable core [2021-06-06 12:04:16,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 12:04:17,525 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 144 proven. 129 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 12:04:17,525 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1278689945] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:04:17,525 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 12:04:17,525 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30] total 55 [2021-06-06 12:04:17,525 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550538619] [2021-06-06 12:04:17,526 INFO L462 AbstractCegarLoop]: Interpolant automaton has 55 states [2021-06-06 12:04:17,526 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 12:04:17,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2021-06-06 12:04:17,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=525, Invalid=2445, Unknown=0, NotChecked=0, Total=2970 [2021-06-06 12:04:17,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:04:17,526 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 12:04:17,527 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 55 states, 55 states have (on average 2.2) internal successors, (121), 55 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 12:04:17,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:04:17,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:04:17,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 12:04:17,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 12:04:17,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 12:04:17,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:04:17,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 12:04:17,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:04:17,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 12:04:17,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:04:17,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-06 12:04:17,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 12:04:17,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:04:17,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 12:04:17,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-06 12:04:17,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 12:04:17,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 12:04:17,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 12:04:17,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:04:19,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:04:19,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:04:19,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 12:04:19,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 12:04:19,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 12:04:19,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:04:19,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 12:04:19,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:04:19,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 12:04:19,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:04:19,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 12:04:19,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 12:04:19,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:04:19,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 12:04:19,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-06 12:04:19,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 12:04:19,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 12:04:19,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 12:04:19,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-06-06 12:04:20,151 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2021-06-06 12:04:20,151 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 12:04:20,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 12:04:20,151 INFO L82 PathProgramCache]: Analyzing trace with hash -229641495, now seen corresponding path program 16 times [2021-06-06 12:04:20,151 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 12:04:20,151 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229644221] [2021-06-06 12:04:20,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 12:04:20,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 12:04:20,494 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 148 proven. 194 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 12:04:20,494 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 12:04:20,494 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229644221] [2021-06-06 12:04:20,494 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229644221] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:04:20,494 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [164475106] [2021-06-06 12:04:20,494 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 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 [2021-06-06 12:04:20,530 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 12:04:20,531 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 12:04:20,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 29 conjunts are in the unsatisfiable core [2021-06-06 12:04:20,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 12:04:21,217 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 169 proven. 169 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-06 12:04:21,217 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [164475106] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:04:21,218 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 12:04:21,218 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 30] total 60 [2021-06-06 12:04:21,218 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392876247] [2021-06-06 12:04:21,218 INFO L462 AbstractCegarLoop]: Interpolant automaton has 60 states [2021-06-06 12:04:21,218 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 12:04:21,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2021-06-06 12:04:21,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=471, Invalid=3069, Unknown=0, NotChecked=0, Total=3540 [2021-06-06 12:04:21,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:04:21,219 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 12:04:21,219 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 60 states, 60 states have (on average 2.283333333333333) internal successors, (137), 60 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 12:04:21,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:04:21,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:04:21,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 12:04:21,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 12:04:21,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 12:04:21,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:04:21,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 12:04:21,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:04:21,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 12:04:21,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:04:21,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-06 12:04:21,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 12:04:21,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:04:21,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 12:04:21,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-06 12:04:21,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 12:04:21,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 12:04:21,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 12:04:21,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-06-06 12:04:21,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:04:22,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:04:22,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:04:22,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 12:04:22,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 12:04:22,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 12:04:22,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:04:22,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 12:04:22,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:04:22,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 12:04:22,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:04:22,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 12:04:22,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 12:04:22,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:04:22,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 12:04:22,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-06 12:04:22,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 12:04:22,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 12:04:22,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 12:04:22,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-06-06 12:04:22,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 12:04:22,254 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 12:04:22,254 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 12:04:22,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 12:04:22,255 INFO L82 PathProgramCache]: Analyzing trace with hash 818782535, now seen corresponding path program 17 times [2021-06-06 12:04:22,255 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 12:04:22,255 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749150902] [2021-06-06 12:04:22,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 12:04:22,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 12:04:22,584 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 148 proven. 221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 12:04:22,585 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 12:04:22,585 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749150902] [2021-06-06 12:04:22,585 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749150902] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:04:22,585 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [533995415] [2021-06-06 12:04:22,585 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 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 [2021-06-06 12:04:22,628 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) [2021-06-06 12:04:22,628 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 12:04:22,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 32 conjunts are in the unsatisfiable core [2021-06-06 12:04:22,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 12:04:23,351 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 148 proven. 221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 12:04:23,351 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [533995415] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:04:23,351 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 12:04:23,351 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 62 [2021-06-06 12:04:23,351 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818668849] [2021-06-06 12:04:23,352 INFO L462 AbstractCegarLoop]: Interpolant automaton has 62 states [2021-06-06 12:04:23,352 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 12:04:23,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2021-06-06 12:04:23,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=717, Invalid=3065, Unknown=0, NotChecked=0, Total=3782 [2021-06-06 12:04:23,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:04:23,353 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 12:04:23,353 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 62 states, 62 states have (on average 2.1774193548387095) internal successors, (135), 62 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) [2021-06-06 12:04:23,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:04:23,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:04:23,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 12:04:23,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 12:04:23,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 12:04:23,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:04:23,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 12:04:23,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:04:23,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 12:04:23,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:04:23,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-06 12:04:23,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 12:04:23,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:04:23,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 12:04:23,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-06 12:04:23,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 12:04:23,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 12:04:23,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 12:04:23,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-06-06 12:04:23,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 12:04:23,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:04:23,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:04:23,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:04:23,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 12:04:23,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 12:04:23,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 12:04:23,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:04:23,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 12:04:23,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:04:23,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 12:04:23,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:04:23,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 12:04:23,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 12:04:23,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:04:23,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 12:04:23,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-06 12:04:23,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 12:04:23,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 12:04:23,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 12:04:23,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-06-06 12:04:23,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 12:04:23,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-06 12:04:23,926 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable61 [2021-06-06 12:04:23,926 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 12:04:23,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 12:04:23,926 INFO L82 PathProgramCache]: Analyzing trace with hash -963039195, now seen corresponding path program 18 times [2021-06-06 12:04:23,926 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 12:04:23,926 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145815281] [2021-06-06 12:04:23,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 12:04:23,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 12:04:25,292 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 0 proven. 398 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 12:04:25,293 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 12:04:25,293 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145815281] [2021-06-06 12:04:25,293 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145815281] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:04:25,293 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1752088459] [2021-06-06 12:04:25,293 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 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 [2021-06-06 12:04:25,345 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 16 check-sat command(s) [2021-06-06 12:04:25,345 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 12:04:25,346 WARN L261 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 130 conjunts are in the unsatisfiable core [2021-06-06 12:04:25,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 12:06:11,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,443 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 12:06:11,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:06:11,571 INFO L244 Elim1Store]: Index analysis took 256 ms [2021-06-06 12:06:14,622 WARN L205 SmtUtils]: Spent 3.05 s on a formula simplification that was a NOOP. DAG size: 679 [2021-06-06 12:06:14,623 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 12:06:14,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 27 select indices, 27 select index equivalence classes, 171 disjoint index pairs (out of 351 index pairs), introduced 26 new quantified variables, introduced 176 case distinctions, treesize of input 203 treesize of output 1661 [2021-06-06 12:06:18,130 WARN L205 SmtUtils]: Spent 3.36 s on a formula simplification. DAG size of input: 2652 DAG size of output: 2325 [2021-06-06 12:06:21,924 WARN L205 SmtUtils]: Spent 3.65 s on a formula simplification. DAG size of input: 2704 DAG size of output: 2377 [2021-06-06 12:08:18,700 WARN L205 SmtUtils]: Spent 1.92 m on a formula simplification. DAG size of input: 26390 DAG size of output: 18926 [2021-06-06 12:10:26,424 WARN L205 SmtUtils]: Spent 2.10 m on a formula simplification. DAG size of input: 26443 DAG size of output: 18979 [2021-06-06 12:10:45,419 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-06-06 12:10:47,412 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 125 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown