/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/poker-hand-symm.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 20:49:48,765 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 20:49:48,766 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 20:49:48,798 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-14 20:49:48,799 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-14 20:49:48,802 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-14 20:49:48,804 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-14 20:49:48,808 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-14 20:49:48,809 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-14 20:49:48,814 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-14 20:49:48,814 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-14 20:49:48,816 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-14 20:49:48,816 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-14 20:49:48,818 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-14 20:49:48,819 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-14 20:49:48,820 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-14 20:49:48,822 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-14 20:49:48,823 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-14 20:49:48,824 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-14 20:49:48,825 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-14 20:49:48,826 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-14 20:49:48,827 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-14 20:49:48,828 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-14 20:49:48,830 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-14 20:49:48,836 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-14 20:49:48,863 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-14 20:49:48,864 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-14 20:49:48,865 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-14 20:49:48,868 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-NewStatesSleepPersistentFixedOrder-NoLbe-Random42.epf [2021-07-14 20:49:48,896 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 20:49:48,897 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 20:49:48,897 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 20:49:48,897 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 20:49:48,899 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 20:49:48,899 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 20:49:48,899 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 20:49:48,899 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 20:49:48,900 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 20:49:48,900 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 20:49:48,900 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 20:49:48,900 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 20:49:48,900 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 20:49:48,901 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 20:49:48,901 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 20:49:48,901 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 20:49:48,901 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 20:49:48,901 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 20:49:48,901 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 20:49:48,901 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 20:49:48,901 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 20:49:48,901 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 20:49:48,902 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 20:49:48,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 20:49:48,902 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 20:49:48,902 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 20:49:48,902 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 20:49:48,902 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 20:49:48,902 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-14 20:49:48,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 20:49:48,902 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 20:49:48,903 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 20:49:48,903 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 20:49:48,903 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-14 20:49:48,903 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-14 20:49:48,903 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 20:49:49,195 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 20:49:49,219 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 20:49:49,221 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 20:49:49,222 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 20:49:49,223 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 20:49:49,224 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/poker-hand-symm.wvr.bpl [2021-07-14 20:49:49,224 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/poker-hand-symm.wvr.bpl' [2021-07-14 20:49:49,257 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 20:49:49,258 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 20:49:49,260 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 20:49:49,260 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 20:49:49,260 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 20:49:49,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "poker-hand-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:49:49" (1/1) ... [2021-07-14 20:49:49,276 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "poker-hand-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:49:49" (1/1) ... [2021-07-14 20:49:49,281 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 20:49:49,282 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 20:49:49,282 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 20:49:49,282 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 20:49:49,287 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "poker-hand-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:49:49" (1/1) ... [2021-07-14 20:49:49,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "poker-hand-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:49:49" (1/1) ... [2021-07-14 20:49:49,290 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "poker-hand-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:49:49" (1/1) ... [2021-07-14 20:49:49,290 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "poker-hand-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:49:49" (1/1) ... [2021-07-14 20:49:49,296 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "poker-hand-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:49:49" (1/1) ... [2021-07-14 20:49:49,303 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "poker-hand-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:49:49" (1/1) ... [2021-07-14 20:49:49,304 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "poker-hand-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:49:49" (1/1) ... [2021-07-14 20:49:49,306 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 20:49:49,316 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 20:49:49,316 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 20:49:49,316 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 20:49:49,317 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "poker-hand-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:49:49" (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 [2021-07-14 20:49:49,376 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 20:49:49,376 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 20:49:49,376 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 20:49:49,376 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 20:49:49,376 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 20:49:49,376 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 20:49:49,377 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 20:49:49,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 20:49:49,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 20:49:49,377 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 20:49:49,913 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 20:49:49,913 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-07-14 20:49:49,914 INFO L202 PluginConnector]: Adding new model poker-hand-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 08:49:49 BoogieIcfgContainer [2021-07-14 20:49:49,914 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 20:49:49,916 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 20:49:49,916 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 20:49:49,918 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 20:49:49,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "poker-hand-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:49:49" (1/2) ... [2021-07-14 20:49:49,919 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cbdabec and model type poker-hand-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 08:49:49, skipping insertion in model container [2021-07-14 20:49:49,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "poker-hand-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 08:49:49" (2/2) ... [2021-07-14 20:49:49,920 INFO L111 eAbstractionObserver]: Analyzing ICFG poker-hand-symm.wvr.bpl [2021-07-14 20:49:49,931 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 20:49:49,931 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 20:49:49,931 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 20:49:49,932 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 20:49:49,961 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-14 20:49:49,976 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 20:49:50,012 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 20:49:50,013 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 20:49:50,013 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 20:49:50,013 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 20:49:50,013 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 20:49:50,013 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 20:49:50,013 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 20:49:50,013 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 20:49:50,060 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:49:50,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:49:50,063 INFO L82 PathProgramCache]: Analyzing trace with hash -1434899072, now seen corresponding path program 1 times [2021-07-14 20:49:50,069 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:49:50,069 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909928948] [2021-07-14 20:49:50,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:49:50,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:49:50,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:49:50,193 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:49:50,193 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909928948] [2021-07-14 20:49:50,194 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909928948] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 20:49:50,194 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 20:49:50,194 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 20:49:50,195 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089492806] [2021-07-14 20:49:50,197 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 20:49:50,198 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:49:50,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 20:49:50,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 20:49:50,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:49:50,211 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:49:50,212 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:49:50,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:49:50,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:49:50,225 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 20:49:50,225 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:49:50,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:49:50,227 INFO L82 PathProgramCache]: Analyzing trace with hash 1834634323, now seen corresponding path program 1 times [2021-07-14 20:49:50,227 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:49:50,228 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466859495] [2021-07-14 20:49:50,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:49:50,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:49:50,315 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 20:49:50,315 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:49:50,315 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466859495] [2021-07-14 20:49:50,315 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466859495] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 20:49:50,316 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 20:49:50,316 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 20:49:50,316 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720519550] [2021-07-14 20:49:50,317 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 20:49:50,317 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:49:50,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 20:49:50,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 20:49:50,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:49:50,318 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:49:50,318 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:49:50,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:49:50,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:49:50,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:49:50,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:49:50,336 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 20:49:50,336 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:49:50,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:49:50,336 INFO L82 PathProgramCache]: Analyzing trace with hash 1886677090, now seen corresponding path program 1 times [2021-07-14 20:49:50,336 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:49:50,337 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755182513] [2021-07-14 20:49:50,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:49:50,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:49:50,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:49:50,370 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:49:50,370 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755182513] [2021-07-14 20:49:50,370 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755182513] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 20:49:50,371 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 20:49:50,371 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 20:49:50,371 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462974469] [2021-07-14 20:49:50,371 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 20:49:50,371 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:49:50,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 20:49:50,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 20:49:50,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:49:50,372 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:49:50,372 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:49:50,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:49:50,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:49:50,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:49:50,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:49:50,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:49:50,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:49:50,384 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-14 20:49:50,384 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:49:50,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:49:50,385 INFO L82 PathProgramCache]: Analyzing trace with hash -881567146, now seen corresponding path program 1 times [2021-07-14 20:49:50,385 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:49:50,386 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647083648] [2021-07-14 20:49:50,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:49:50,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:49:50,440 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 20:49:50,440 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:49:50,441 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647083648] [2021-07-14 20:49:50,441 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647083648] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 20:49:50,441 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 20:49:50,441 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 20:49:50,441 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105503237] [2021-07-14 20:49:50,442 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 20:49:50,442 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:49:50,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 20:49:50,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 20:49:50,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:49:50,443 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:49:50,443 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:49:50,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:49:50,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:49:50,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:49:50,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:49:50,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:49:50,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:49:50,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:49:50,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:49:50,467 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-14 20:49:50,467 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:49:50,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:49:50,468 INFO L82 PathProgramCache]: Analyzing trace with hash 814936755, now seen corresponding path program 1 times [2021-07-14 20:49:50,468 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:49:50,469 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169122829] [2021-07-14 20:49:50,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:49:50,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:49:50,964 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 88 [2021-07-14 20:49:51,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:49:51,035 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:49:51,035 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169122829] [2021-07-14 20:49:51,035 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169122829] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 20:49:51,036 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 20:49:51,036 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-14 20:49:51,036 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508847970] [2021-07-14 20:49:51,036 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-14 20:49:51,036 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:49:51,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-14 20:49:51,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-14 20:49:51,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:49:51,037 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:49:51,038 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:49:51,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:49:51,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:49:51,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:49:51,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:49:51,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:49:51,213 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-07-14 20:49:51,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:49:51,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:49:51,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:49:51,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:49:51,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:49:51,251 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-07-14 20:49:51,252 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:49:51,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:49:51,252 INFO L82 PathProgramCache]: Analyzing trace with hash -106413422, now seen corresponding path program 1 times [2021-07-14 20:49:51,252 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:49:51,252 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091371673] [2021-07-14 20:49:51,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:49:51,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:49:51,281 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 20:49:51,281 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:49:51,284 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091371673] [2021-07-14 20:49:51,284 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091371673] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 20:49:51,284 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 20:49:51,284 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 20:49:51,285 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621407417] [2021-07-14 20:49:51,285 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 20:49:51,285 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:49:51,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 20:49:51,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 20:49:51,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:49:51,286 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:49:51,286 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:49:51,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:49:51,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:49:51,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:49:51,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:49:51,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:49:51,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:49:51,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:49:51,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:49:51,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:49:51,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:49:51,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:49:51,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:49:51,299 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-07-14 20:49:51,299 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:49:51,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:49:51,301 INFO L82 PathProgramCache]: Analyzing trace with hash -149351373, now seen corresponding path program 1 times [2021-07-14 20:49:51,301 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:49:51,301 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374670588] [2021-07-14 20:49:51,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:49:51,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:49:51,560 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2021-07-14 20:49:51,688 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2021-07-14 20:49:51,837 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 38 [2021-07-14 20:49:51,895 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:49:51,895 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:49:51,895 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374670588] [2021-07-14 20:49:51,895 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374670588] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:49:51,896 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1460131623] [2021-07-14 20:49:51,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:49:51,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:49:51,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 21 conjunts are in the unsatisfiable core [2021-07-14 20:49:51,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:49:55,773 WARN L205 SmtUtils]: Spent 3.76 s on a formula simplification. DAG size of input: 61 DAG size of output: 67 [2021-07-14 20:49:58,005 WARN L205 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2021-07-14 20:50:01,101 WARN L205 SmtUtils]: Spent 3.09 s on a formula simplification. DAG size of input: 62 DAG size of output: 62 [2021-07-14 20:50:07,170 WARN L205 SmtUtils]: Spent 6.07 s on a formula simplification. DAG size of input: 62 DAG size of output: 62 [2021-07-14 20:50:07,386 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 49 [2021-07-14 20:50:10,344 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:10,345 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:10,364 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:10,365 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:10,382 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:10,384 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:10,401 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:10,402 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:10,417 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:10,417 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:10,436 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:10,437 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:10,454 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:10,454 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:10,471 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:10,472 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:10,491 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:10,493 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:10,513 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:10,514 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:10,535 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:50:10,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-14 20:50:10,540 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:10,560 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:50:10,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 9 [2021-07-14 20:50:10,565 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:10,586 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:50:10,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 7 [2021-07-14 20:50:10,587 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:10,607 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:10,608 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:10,624 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:10,625 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:10,643 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:10,644 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:10,666 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:50:10,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2021-07-14 20:50:10,667 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:10,695 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:10,696 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:10,714 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:10,716 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:10,738 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:10,739 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:10,759 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:10,760 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:10,782 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:10,783 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:10,798 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:10,799 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:10,828 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:50:10,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-14 20:50:10,830 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:10,855 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:10,856 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:10,874 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:10,875 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:10,890 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:10,891 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:10,905 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:10,906 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:10,923 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:10,924 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:10,939 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:10,939 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:10,961 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:50:10,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 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 [2021-07-14 20:50:10,963 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:10,979 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:10,980 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:11,002 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:50:11,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2021-07-14 20:50:11,004 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:11,021 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:11,022 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:11,044 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:11,045 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:11,061 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:11,061 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:11,080 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:11,081 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:11,103 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:11,104 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:11,127 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:11,129 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:11,152 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:11,153 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:11,177 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:11,180 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:11,202 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:11,203 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:11,225 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:11,226 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:11,265 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:11,266 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:11,292 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:11,293 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:11,328 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:11,329 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:11,344 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:11,344 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:11,361 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:11,362 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:11,375 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:11,376 INFO L550 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:11,395 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:50:11,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2021-07-14 20:50:11,396 INFO L550 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:11,414 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:11,415 INFO L550 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:11,431 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:11,432 INFO L550 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:11,448 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:11,449 INFO L550 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:11,460 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:11,461 INFO L550 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:11,476 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:11,478 INFO L550 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:11,493 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:11,494 INFO L550 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:11,504 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:11,505 INFO L550 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:11,518 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:11,519 INFO L550 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:11,532 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:50:11,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 7 [2021-07-14 20:50:11,533 INFO L550 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:11,544 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:11,545 INFO L550 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:11,555 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:11,556 INFO L550 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:11,567 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:11,568 INFO L550 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:11,581 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:11,582 INFO L550 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:11,606 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:50:11,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-14 20:50:11,607 INFO L550 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:11,623 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:50:11,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 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 [2021-07-14 20:50:11,624 INFO L550 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:11,636 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:11,637 INFO L550 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:11,654 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:11,656 INFO L550 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:11,669 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:11,670 INFO L550 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:11,683 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:50:11,684 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 18 treesize of output 1 [2021-07-14 20:50:11,685 INFO L550 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:11,697 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:11,698 INFO L550 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:11,711 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:11,711 INFO L550 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:11,724 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:11,724 INFO L550 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:11,742 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:11,742 INFO L550 ElimStorePlain]: Start of recursive call 74: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:11,759 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:11,760 INFO L550 ElimStorePlain]: Start of recursive call 75: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:11,784 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:11,785 INFO L550 ElimStorePlain]: Start of recursive call 76: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:11,806 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:11,807 INFO L550 ElimStorePlain]: Start of recursive call 77: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:11,826 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:11,827 INFO L550 ElimStorePlain]: Start of recursive call 78: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:11,848 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:11,849 INFO L550 ElimStorePlain]: Start of recursive call 79: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:11,862 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:11,863 INFO L550 ElimStorePlain]: Start of recursive call 80: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:11,881 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:11,882 INFO L550 ElimStorePlain]: Start of recursive call 81: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:11,895 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:11,896 INFO L550 ElimStorePlain]: Start of recursive call 82: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:11,910 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:11,911 INFO L550 ElimStorePlain]: Start of recursive call 83: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:11,924 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:11,925 INFO L550 ElimStorePlain]: Start of recursive call 84: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:11,935 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:11,936 INFO L550 ElimStorePlain]: Start of recursive call 85: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:11,961 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:11,962 INFO L550 ElimStorePlain]: Start of recursive call 86: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:11,978 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:11,979 INFO L550 ElimStorePlain]: Start of recursive call 87: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:11,997 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:11,999 INFO L550 ElimStorePlain]: Start of recursive call 88: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:12,017 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:12,018 INFO L550 ElimStorePlain]: Start of recursive call 89: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:12,033 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:12,034 INFO L550 ElimStorePlain]: Start of recursive call 90: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:12,054 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:50:12,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 7 [2021-07-14 20:50:12,055 INFO L550 ElimStorePlain]: Start of recursive call 91: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:12,070 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:50:12,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2021-07-14 20:50:12,072 INFO L550 ElimStorePlain]: Start of recursive call 92: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:12,089 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:50:12,090 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 23 treesize of output 1 [2021-07-14 20:50:12,091 INFO L550 ElimStorePlain]: Start of recursive call 93: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:12,110 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:12,111 INFO L550 ElimStorePlain]: Start of recursive call 94: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:12,125 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:12,126 INFO L550 ElimStorePlain]: Start of recursive call 95: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:12,140 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:12,141 INFO L550 ElimStorePlain]: Start of recursive call 96: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:12,156 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:12,157 INFO L550 ElimStorePlain]: Start of recursive call 97: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:12,176 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:12,177 INFO L550 ElimStorePlain]: Start of recursive call 98: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:12,196 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:50:12,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2021-07-14 20:50:12,198 INFO L550 ElimStorePlain]: Start of recursive call 99: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:12,214 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:12,215 INFO L550 ElimStorePlain]: Start of recursive call 100: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:12,235 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:12,236 INFO L550 ElimStorePlain]: Start of recursive call 101: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:12,250 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:12,251 INFO L550 ElimStorePlain]: Start of recursive call 102: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:12,269 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:12,270 INFO L550 ElimStorePlain]: Start of recursive call 103: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:12,291 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:12,292 INFO L550 ElimStorePlain]: Start of recursive call 104: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:12,308 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:12,309 INFO L550 ElimStorePlain]: Start of recursive call 105: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:12,322 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:12,323 INFO L550 ElimStorePlain]: Start of recursive call 106: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:12,337 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:12,338 INFO L550 ElimStorePlain]: Start of recursive call 107: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:12,353 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:12,354 INFO L550 ElimStorePlain]: Start of recursive call 108: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:12,376 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:12,378 INFO L550 ElimStorePlain]: Start of recursive call 109: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:12,400 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:12,402 INFO L550 ElimStorePlain]: Start of recursive call 110: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:12,424 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:12,429 INFO L550 ElimStorePlain]: Start of recursive call 111: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:12,454 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:12,455 INFO L550 ElimStorePlain]: Start of recursive call 112: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:12,473 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:12,474 INFO L550 ElimStorePlain]: Start of recursive call 113: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:12,487 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:12,488 INFO L550 ElimStorePlain]: Start of recursive call 114: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:12,506 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:50:12,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-14 20:50:12,518 INFO L550 ElimStorePlain]: Start of recursive call 115: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:12,541 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:12,542 INFO L550 ElimStorePlain]: Start of recursive call 116: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:12,560 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:12,561 INFO L550 ElimStorePlain]: Start of recursive call 117: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:12,574 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:12,575 INFO L550 ElimStorePlain]: Start of recursive call 118: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:12,587 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:12,588 INFO L550 ElimStorePlain]: Start of recursive call 119: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:12,610 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:12,611 INFO L550 ElimStorePlain]: Start of recursive call 120: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:12,626 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:12,627 INFO L550 ElimStorePlain]: Start of recursive call 121: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:12,647 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:12,649 INFO L550 ElimStorePlain]: Start of recursive call 122: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:12,673 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:12,674 INFO L550 ElimStorePlain]: Start of recursive call 123: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:12,699 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:50:12,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2021-07-14 20:50:12,701 INFO L550 ElimStorePlain]: Start of recursive call 124: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:12,726 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:12,727 INFO L550 ElimStorePlain]: Start of recursive call 125: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:12,748 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:12,749 INFO L550 ElimStorePlain]: Start of recursive call 126: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:12,777 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:12,780 INFO L550 ElimStorePlain]: Start of recursive call 127: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:12,802 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:12,803 INFO L550 ElimStorePlain]: Start of recursive call 128: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:12,826 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:12,829 INFO L550 ElimStorePlain]: Start of recursive call 129: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:12,849 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:12,851 INFO L550 ElimStorePlain]: Start of recursive call 130: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:12,870 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:12,871 INFO L550 ElimStorePlain]: Start of recursive call 131: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:12,895 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:12,896 INFO L550 ElimStorePlain]: Start of recursive call 132: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:12,911 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:12,912 INFO L550 ElimStorePlain]: Start of recursive call 133: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:12,925 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:12,926 INFO L550 ElimStorePlain]: Start of recursive call 134: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:12,942 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:12,943 INFO L550 ElimStorePlain]: Start of recursive call 135: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:12,960 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:12,961 INFO L550 ElimStorePlain]: Start of recursive call 136: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:12,979 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:50:12,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 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 [2021-07-14 20:50:12,981 INFO L550 ElimStorePlain]: Start of recursive call 137: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:12,997 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:12,998 INFO L550 ElimStorePlain]: Start of recursive call 138: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:13,018 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:13,019 INFO L550 ElimStorePlain]: Start of recursive call 139: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:13,035 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:50:13,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 7 [2021-07-14 20:50:13,036 INFO L550 ElimStorePlain]: Start of recursive call 140: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:13,054 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:13,055 INFO L550 ElimStorePlain]: Start of recursive call 141: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:13,070 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:13,071 INFO L550 ElimStorePlain]: Start of recursive call 142: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:13,087 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:13,088 INFO L550 ElimStorePlain]: Start of recursive call 143: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:13,102 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:13,103 INFO L550 ElimStorePlain]: Start of recursive call 144: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:13,116 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:13,117 INFO L550 ElimStorePlain]: Start of recursive call 145: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:13,134 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:13,135 INFO L550 ElimStorePlain]: Start of recursive call 146: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:13,147 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:50:13,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2021-07-14 20:50:13,149 INFO L550 ElimStorePlain]: Start of recursive call 147: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:13,169 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:50:13,169 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 7 [2021-07-14 20:50:13,170 INFO L550 ElimStorePlain]: Start of recursive call 148: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:13,183 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:13,184 INFO L550 ElimStorePlain]: Start of recursive call 149: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:13,196 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:13,196 INFO L550 ElimStorePlain]: Start of recursive call 150: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:13,216 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:13,217 INFO L550 ElimStorePlain]: Start of recursive call 151: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:13,234 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:13,235 INFO L550 ElimStorePlain]: Start of recursive call 152: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:13,253 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:13,254 INFO L550 ElimStorePlain]: Start of recursive call 153: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:13,276 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:50:13,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2021-07-14 20:50:13,278 INFO L550 ElimStorePlain]: Start of recursive call 154: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:13,297 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:13,298 INFO L550 ElimStorePlain]: Start of recursive call 155: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:13,328 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:13,330 INFO L550 ElimStorePlain]: Start of recursive call 156: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:13,352 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:13,353 INFO L550 ElimStorePlain]: Start of recursive call 157: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:13,376 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:13,377 INFO L550 ElimStorePlain]: Start of recursive call 158: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:13,400 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:13,401 INFO L550 ElimStorePlain]: Start of recursive call 159: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:13,424 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:13,426 INFO L550 ElimStorePlain]: Start of recursive call 160: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:13,452 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:13,453 INFO L550 ElimStorePlain]: Start of recursive call 161: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:13,475 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:13,476 INFO L550 ElimStorePlain]: Start of recursive call 162: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:13,492 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:13,493 INFO L550 ElimStorePlain]: Start of recursive call 163: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:13,516 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:50:13,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-14 20:50:13,524 INFO L550 ElimStorePlain]: Start of recursive call 164: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:13,548 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:13,549 INFO L550 ElimStorePlain]: Start of recursive call 165: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:13,570 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:50:13,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2021-07-14 20:50:13,572 INFO L550 ElimStorePlain]: Start of recursive call 166: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:13,607 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:13,608 INFO L550 ElimStorePlain]: Start of recursive call 167: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:13,617 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:13,629 INFO L550 ElimStorePlain]: Start of recursive call 168: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:13,637 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:13,638 INFO L550 ElimStorePlain]: Start of recursive call 169: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:13,646 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:13,647 INFO L550 ElimStorePlain]: Start of recursive call 170: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:13,668 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:13,669 INFO L550 ElimStorePlain]: Start of recursive call 171: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:13,679 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:13,680 INFO L550 ElimStorePlain]: Start of recursive call 172: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:13,689 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:13,691 INFO L550 ElimStorePlain]: Start of recursive call 173: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:13,699 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:13,700 INFO L550 ElimStorePlain]: Start of recursive call 174: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:13,707 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:13,707 INFO L550 ElimStorePlain]: Start of recursive call 175: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:13,716 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:13,716 INFO L550 ElimStorePlain]: Start of recursive call 176: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:13,725 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:13,726 INFO L550 ElimStorePlain]: Start of recursive call 177: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:13,736 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:13,736 INFO L550 ElimStorePlain]: Start of recursive call 178: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:13,743 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:13,743 INFO L550 ElimStorePlain]: Start of recursive call 179: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:13,750 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:13,750 INFO L550 ElimStorePlain]: Start of recursive call 180: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:13,758 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:13,759 INFO L550 ElimStorePlain]: Start of recursive call 181: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:13,766 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:13,767 INFO L550 ElimStorePlain]: Start of recursive call 182: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:13,775 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:13,775 INFO L550 ElimStorePlain]: Start of recursive call 183: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:13,783 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:13,783 INFO L550 ElimStorePlain]: Start of recursive call 184: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:13,791 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:13,791 INFO L550 ElimStorePlain]: Start of recursive call 185: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:13,798 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:13,799 INFO L550 ElimStorePlain]: Start of recursive call 186: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:13,807 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:13,808 INFO L550 ElimStorePlain]: Start of recursive call 187: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:13,815 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:13,816 INFO L550 ElimStorePlain]: Start of recursive call 188: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:13,822 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:13,823 INFO L550 ElimStorePlain]: Start of recursive call 189: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:13,829 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:13,829 INFO L550 ElimStorePlain]: Start of recursive call 190: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:13,837 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:13,838 INFO L550 ElimStorePlain]: Start of recursive call 191: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:13,847 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:13,848 INFO L550 ElimStorePlain]: Start of recursive call 192: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:13,855 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:50:13,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2021-07-14 20:50:13,857 INFO L550 ElimStorePlain]: Start of recursive call 193: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:13,864 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:13,865 INFO L550 ElimStorePlain]: Start of recursive call 194: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:13,877 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:13,878 INFO L550 ElimStorePlain]: Start of recursive call 195: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:13,884 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:13,885 INFO L550 ElimStorePlain]: Start of recursive call 196: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:13,890 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:13,891 INFO L550 ElimStorePlain]: Start of recursive call 197: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:13,898 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:13,899 INFO L550 ElimStorePlain]: Start of recursive call 198: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:13,906 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:13,907 INFO L550 ElimStorePlain]: Start of recursive call 199: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:13,913 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:13,914 INFO L550 ElimStorePlain]: Start of recursive call 200: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:13,921 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:13,922 INFO L550 ElimStorePlain]: Start of recursive call 201: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:13,929 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:13,930 INFO L550 ElimStorePlain]: Start of recursive call 202: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:13,937 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:13,937 INFO L550 ElimStorePlain]: Start of recursive call 203: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:13,944 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:13,945 INFO L550 ElimStorePlain]: Start of recursive call 204: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:13,950 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:13,951 INFO L550 ElimStorePlain]: Start of recursive call 205: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:13,957 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:13,958 INFO L550 ElimStorePlain]: Start of recursive call 206: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:13,963 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:13,964 INFO L550 ElimStorePlain]: Start of recursive call 207: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:13,970 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:13,971 INFO L550 ElimStorePlain]: Start of recursive call 208: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:13,977 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:13,978 INFO L550 ElimStorePlain]: Start of recursive call 209: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:13,983 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:13,984 INFO L550 ElimStorePlain]: Start of recursive call 210: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:13,989 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:13,990 INFO L550 ElimStorePlain]: Start of recursive call 211: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:13,996 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:13,996 INFO L550 ElimStorePlain]: Start of recursive call 212: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:14,002 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:14,002 INFO L550 ElimStorePlain]: Start of recursive call 213: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:14,016 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:14,017 INFO L550 ElimStorePlain]: Start of recursive call 214: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:14,023 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:14,024 INFO L550 ElimStorePlain]: Start of recursive call 215: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:14,030 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:14,031 INFO L550 ElimStorePlain]: Start of recursive call 216: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:14,037 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:14,038 INFO L550 ElimStorePlain]: Start of recursive call 217: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:14,043 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:14,044 INFO L550 ElimStorePlain]: Start of recursive call 218: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:14,050 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:14,051 INFO L550 ElimStorePlain]: Start of recursive call 219: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:14,057 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:50:14,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 9 [2021-07-14 20:50:14,059 INFO L550 ElimStorePlain]: Start of recursive call 220: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:14,064 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:14,065 INFO L550 ElimStorePlain]: Start of recursive call 221: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:14,070 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:14,071 INFO L550 ElimStorePlain]: Start of recursive call 222: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:14,076 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:14,077 INFO L550 ElimStorePlain]: Start of recursive call 223: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:14,083 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:14,083 INFO L550 ElimStorePlain]: Start of recursive call 224: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:14,089 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:50:14,090 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 18 treesize of output 1 [2021-07-14 20:50:14,090 INFO L550 ElimStorePlain]: Start of recursive call 225: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:14,096 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:50:14,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2021-07-14 20:50:14,097 INFO L550 ElimStorePlain]: Start of recursive call 226: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:14,103 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:14,103 INFO L550 ElimStorePlain]: Start of recursive call 227: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:14,110 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:14,110 INFO L550 ElimStorePlain]: Start of recursive call 228: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:14,116 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:14,117 INFO L550 ElimStorePlain]: Start of recursive call 229: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:14,126 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:14,127 INFO L550 ElimStorePlain]: Start of recursive call 230: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:14,133 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:14,133 INFO L550 ElimStorePlain]: Start of recursive call 231: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:14,140 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:14,140 INFO L550 ElimStorePlain]: Start of recursive call 232: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:14,146 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:14,147 INFO L550 ElimStorePlain]: Start of recursive call 233: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:14,154 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:14,155 INFO L550 ElimStorePlain]: Start of recursive call 234: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:14,161 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:14,162 INFO L550 ElimStorePlain]: Start of recursive call 235: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:14,166 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:14,167 INFO L550 ElimStorePlain]: Start of recursive call 236: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:14,172 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:14,173 INFO L550 ElimStorePlain]: Start of recursive call 237: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:14,178 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:14,179 INFO L550 ElimStorePlain]: Start of recursive call 238: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:14,186 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:14,187 INFO L550 ElimStorePlain]: Start of recursive call 239: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:14,192 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:14,193 INFO L550 ElimStorePlain]: Start of recursive call 240: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:14,198 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:14,199 INFO L550 ElimStorePlain]: Start of recursive call 241: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:14,205 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:14,206 INFO L550 ElimStorePlain]: Start of recursive call 242: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:14,211 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:14,211 INFO L550 ElimStorePlain]: Start of recursive call 243: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:14,216 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:14,216 INFO L550 ElimStorePlain]: Start of recursive call 244: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:14,221 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:14,221 INFO L550 ElimStorePlain]: Start of recursive call 245: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:14,226 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:14,227 INFO L550 ElimStorePlain]: Start of recursive call 246: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:14,231 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:14,231 INFO L550 ElimStorePlain]: Start of recursive call 247: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:14,236 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:14,236 INFO L550 ElimStorePlain]: Start of recursive call 248: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:14,241 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:14,242 INFO L550 ElimStorePlain]: Start of recursive call 249: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:14,246 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:14,247 INFO L550 ElimStorePlain]: Start of recursive call 250: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:14,251 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:14,251 INFO L550 ElimStorePlain]: Start of recursive call 251: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:14,255 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:14,256 INFO L550 ElimStorePlain]: Start of recursive call 252: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:14,260 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:14,261 INFO L550 ElimStorePlain]: Start of recursive call 253: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:14,265 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:14,265 INFO L550 ElimStorePlain]: Start of recursive call 254: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:14,269 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:14,270 INFO L550 ElimStorePlain]: Start of recursive call 255: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:14,273 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:14,279 INFO L550 ElimStorePlain]: Start of recursive call 256: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:14,305 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:14,306 INFO L550 ElimStorePlain]: Start of recursive call 257: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:14,311 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:50:14,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2021-07-14 20:50:14,312 INFO L550 ElimStorePlain]: Start of recursive call 258: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:14,316 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:50:14,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2021-07-14 20:50:14,317 INFO L550 ElimStorePlain]: Start of recursive call 259: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:14,321 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:14,322 INFO L550 ElimStorePlain]: Start of recursive call 260: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:14,328 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:14,330 INFO L550 ElimStorePlain]: Start of recursive call 261: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:14,334 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:14,335 INFO L550 ElimStorePlain]: Start of recursive call 262: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:14,339 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:14,340 INFO L550 ElimStorePlain]: Start of recursive call 263: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:14,343 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:14,344 INFO L550 ElimStorePlain]: Start of recursive call 264: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:14,347 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:14,348 INFO L550 ElimStorePlain]: Start of recursive call 265: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:14,351 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:50:14,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2021-07-14 20:50:14,353 INFO L550 ElimStorePlain]: Start of recursive call 266: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:14,356 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:14,356 INFO L550 ElimStorePlain]: Start of recursive call 267: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:14,360 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:14,361 INFO L550 ElimStorePlain]: Start of recursive call 268: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:14,522 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 42 [2021-07-14 20:50:14,522 INFO L628 ElimStorePlain]: treesize reduction 32, result has 87.1 percent of original size [2021-07-14 20:50:14,528 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:50:14,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-07-14 20:50:14,530 INFO L550 ElimStorePlain]: Start of recursive call 269: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:14,535 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-07-14 20:50:14,536 INFO L550 ElimStorePlain]: Start of recursive call 270: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:14,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-07-14 20:50:14,541 INFO L550 ElimStorePlain]: Start of recursive call 271: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:14,543 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:14,544 INFO L550 ElimStorePlain]: Start of recursive call 272: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:14,546 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:14,547 INFO L550 ElimStorePlain]: Start of recursive call 273: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:14,598 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:50:14,600 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-07-14 20:50:14,601 INFO L247 ElimStorePlain]: Needed 273 recursive calls to eliminate 2 variables, input treesize:14483, output treesize:136 [2021-07-14 20:50:14,771 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:50:14,772 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1460131623] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:50:14,772 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:50:14,772 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-07-14 20:50:14,772 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333325345] [2021-07-14 20:50:14,774 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-14 20:50:14,774 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:50:14,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-14 20:50:14,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-07-14 20:50:14,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:50:14,775 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:50:14,775 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 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) [2021-07-14 20:50:14,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:14,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:14,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:14,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:14,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:50:14,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:14,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:50:15,431 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 63 [2021-07-14 20:50:15,603 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 67 [2021-07-14 20:50:15,723 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 52 [2021-07-14 20:50:15,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:15,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:15,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:15,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:15,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:50:15,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:15,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:50:15,944 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:50:15,945 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:50:15,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:50:15,945 INFO L82 PathProgramCache]: Analyzing trace with hash -1591594349, now seen corresponding path program 1 times [2021-07-14 20:50:15,945 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:50:15,945 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835599419] [2021-07-14 20:50:15,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:50:15,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:50:15,990 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 20:50:15,990 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:50:15,990 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835599419] [2021-07-14 20:50:15,990 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835599419] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 20:50:15,990 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 20:50:15,991 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 20:50:15,991 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864233295] [2021-07-14 20:50:15,991 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 20:50:15,991 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:50:15,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 20:50:15,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 20:50:15,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:50:15,992 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:50:15,992 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:50:15,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:15,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:15,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:15,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:15,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:50:15,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:15,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:50:15,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:50:16,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:16,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:16,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:16,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:16,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:50:16,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:16,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:50:16,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:16,048 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable514 [2021-07-14 20:50:16,049 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:50:16,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:50:16,049 INFO L82 PathProgramCache]: Analyzing trace with hash -436123017, now seen corresponding path program 1 times [2021-07-14 20:50:16,049 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:50:16,049 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528415148] [2021-07-14 20:50:16,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:50:16,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:50:16,069 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 20:50:16,069 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:50:16,069 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528415148] [2021-07-14 20:50:16,069 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528415148] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 20:50:16,069 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 20:50:16,069 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 20:50:16,072 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376229964] [2021-07-14 20:50:16,072 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 20:50:16,072 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:50:16,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 20:50:16,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 20:50:16,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:50:16,073 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:50:16,073 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:50:16,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:16,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:16,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:16,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:16,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:50:16,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:16,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:50:16,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:16,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:50:16,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:16,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:16,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:16,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:16,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:50:16,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:16,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:50:16,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:16,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:16,091 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable515 [2021-07-14 20:50:16,091 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:50:16,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:50:16,091 INFO L82 PathProgramCache]: Analyzing trace with hash -608143687, now seen corresponding path program 1 times [2021-07-14 20:50:16,092 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:50:16,092 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21932055] [2021-07-14 20:50:16,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:50:16,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:50:16,452 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:50:16,452 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:50:16,452 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21932055] [2021-07-14 20:50:16,452 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21932055] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:50:16,452 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1793088167] [2021-07-14 20:50:16,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:50:16,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:50:16,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-14 20:50:16,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:50:16,640 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:50:16,640 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1793088167] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:50:16,640 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:50:16,641 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-07-14 20:50:16,641 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477147110] [2021-07-14 20:50:16,641 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-14 20:50:16,641 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:50:16,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-14 20:50:16,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-07-14 20:50:16,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:50:16,642 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:50:16,642 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 9 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:50:16,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:16,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:16,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:16,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:16,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:50:16,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:16,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:50:16,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:16,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:16,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:50:16,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:16,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:16,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:16,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:16,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:50:16,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:16,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:50:16,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:16,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:16,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:50:17,046 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable516,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:50:17,047 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:50:17,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:50:17,047 INFO L82 PathProgramCache]: Analyzing trace with hash -1645817161, now seen corresponding path program 2 times [2021-07-14 20:50:17,048 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:50:17,048 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295171120] [2021-07-14 20:50:17,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:50:17,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:50:17,113 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:50:17,114 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:50:17,114 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295171120] [2021-07-14 20:50:17,114 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295171120] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:50:17,114 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1816303271] [2021-07-14 20:50:17,114 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 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:50:17,149 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 20:50:17,149 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:50:17,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 10 conjunts are in the unsatisfiable core [2021-07-14 20:50:17,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:50:17,181 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:50:17,181 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1816303271] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:50:17,181 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:50:17,182 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2021-07-14 20:50:17,182 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596886671] [2021-07-14 20:50:17,182 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 20:50:17,182 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:50:17,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 20:50:17,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-07-14 20:50:17,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:50:17,183 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:50:17,183 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:50:17,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:17,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:17,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:17,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:17,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:50:17,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:17,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:50:17,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:17,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:17,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:50:17,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:50:17,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:17,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:17,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:17,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:17,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:50:17,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:17,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:50:17,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:17,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:17,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:50:17,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:50:17,475 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable525,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:50:17,476 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:50:17,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:50:17,476 INFO L82 PathProgramCache]: Analyzing trace with hash 1280260769, now seen corresponding path program 3 times [2021-07-14 20:50:17,476 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:50:17,476 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316115648] [2021-07-14 20:50:17,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:50:17,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:50:17,901 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:50:17,901 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:50:17,901 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316115648] [2021-07-14 20:50:17,901 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316115648] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:50:17,901 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [938472284] [2021-07-14 20:50:17,901 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 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:50:17,932 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-07-14 20:50:17,932 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:50:17,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 25 conjunts are in the unsatisfiable core [2021-07-14 20:50:17,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:50:18,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-07-14 20:50:18,802 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:18,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2021-07-14 20:50:18,805 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:18,807 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:18,808 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:18,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-07-14 20:50:18,811 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:18,813 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:18,813 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:18,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-07-14 20:50:18,818 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:18,820 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:18,821 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:18,822 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:18,823 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:18,897 INFO L628 ElimStorePlain]: treesize reduction 6, result has 95.2 percent of original size [2021-07-14 20:50:18,900 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-07-14 20:50:18,901 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:18,903 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:18,904 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:18,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-07-14 20:50:18,911 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:18,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-07-14 20:50:18,914 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:18,937 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:50:18,948 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 20:50:18,949 INFO L247 ElimStorePlain]: Needed 13 recursive calls to eliminate 3 variables, input treesize:340, output treesize:41 [2021-07-14 20:50:19,027 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:50:19,028 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [938472284] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:50:19,028 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:50:19,028 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 12 [2021-07-14 20:50:19,030 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582745348] [2021-07-14 20:50:19,030 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-14 20:50:19,030 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:50:19,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-14 20:50:19,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2021-07-14 20:50:19,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:50:19,031 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:50:19,031 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 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) [2021-07-14 20:50:19,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:19,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:19,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:19,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:19,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:50:19,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:19,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:50:19,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:19,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:19,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:50:19,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:50:19,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:50:19,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:19,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:19,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:19,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:19,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:50:19,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:19,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:50:19,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:19,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:19,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:50:19,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:50:19,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:50:19,548 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable528 [2021-07-14 20:50:19,548 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:50:19,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:50:19,549 INFO L82 PathProgramCache]: Analyzing trace with hash 508464927, now seen corresponding path program 4 times [2021-07-14 20:50:19,549 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:50:19,549 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071634481] [2021-07-14 20:50:19,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:50:19,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:50:19,653 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:50:19,653 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:50:19,654 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071634481] [2021-07-14 20:50:19,654 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071634481] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:50:19,654 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [79313920] [2021-07-14 20:50:19,654 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 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:50:19,685 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 20:50:19,685 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:50:19,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 14 conjunts are in the unsatisfiable core [2021-07-14 20:50:19,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:50:19,721 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:50:19,721 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [79313920] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:50:19,721 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:50:19,721 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2021-07-14 20:50:19,721 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481225395] [2021-07-14 20:50:19,722 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-14 20:50:19,722 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:50:19,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-14 20:50:19,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-07-14 20:50:19,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:50:19,722 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:50:19,722 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:50:19,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:19,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:19,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:19,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:19,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:50:19,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:19,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:50:19,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:19,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:19,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:50:19,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:50:19,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:50:19,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:50:19,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:19,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:19,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:19,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:19,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:50:19,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:19,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:50:19,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:19,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:19,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:50:19,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:50:19,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:50:19,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:50:20,056 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable623,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:50:20,057 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:50:20,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:50:20,057 INFO L82 PathProgramCache]: Analyzing trace with hash -656471239, now seen corresponding path program 5 times [2021-07-14 20:50:20,057 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:50:20,057 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429594077] [2021-07-14 20:50:20,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:50:20,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:50:20,594 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:50:20,594 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:50:20,594 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429594077] [2021-07-14 20:50:20,594 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429594077] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:50:20,594 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1561352746] [2021-07-14 20:50:20,594 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 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:50:20,639 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-07-14 20:50:20,640 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:50:20,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 29 conjunts are in the unsatisfiable core [2021-07-14 20:50:20,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:50:20,954 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2021-07-14 20:50:21,230 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:50:21,230 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1561352746] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:50:21,230 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:50:21,231 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 16 [2021-07-14 20:50:21,231 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527082965] [2021-07-14 20:50:21,232 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-14 20:50:21,232 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:50:21,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-14 20:50:21,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2021-07-14 20:50:21,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:50:21,234 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:50:21,234 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.5) internal successors, (24), 16 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:50:21,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:21,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:21,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:21,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:21,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:50:21,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:21,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:50:21,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:21,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:21,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:50:21,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:50:21,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:50:21,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:50:21,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:50:21,854 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 62 [2021-07-14 20:50:22,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:22,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:22,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:22,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:22,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:50:22,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:22,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:50:22,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:22,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:22,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:50:22,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:50:22,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:50:22,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:50:22,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:50:22,224 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable626,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:50:22,224 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:50:22,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:50:22,225 INFO L82 PathProgramCache]: Analyzing trace with hash 677066807, now seen corresponding path program 6 times [2021-07-14 20:50:22,225 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:50:22,225 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600125295] [2021-07-14 20:50:22,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:50:22,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:50:22,331 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:50:22,331 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:50:22,331 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600125295] [2021-07-14 20:50:22,332 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600125295] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:50:22,332 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1840523246] [2021-07-14 20:50:22,332 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 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:50:22,368 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-07-14 20:50:22,368 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:50:22,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 18 conjunts are in the unsatisfiable core [2021-07-14 20:50:22,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:50:22,487 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:50:22,487 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1840523246] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:50:22,487 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:50:22,487 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 13 [2021-07-14 20:50:22,488 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372674450] [2021-07-14 20:50:22,488 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-14 20:50:22,488 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:50:22,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-14 20:50:22,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-07-14 20:50:22,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:50:22,489 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:50:22,489 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:50:22,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:22,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:22,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:22,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:22,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:50:22,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:22,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:50:22,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:22,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:22,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:50:22,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:50:22,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:50:22,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:50:22,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:50:22,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:50:22,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:22,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:22,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:22,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:22,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:50:22,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:22,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:50:22,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:22,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:22,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:50:22,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:50:22,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:50:22,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:50:22,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:50:22,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:50:22,917 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable653 [2021-07-14 20:50:22,917 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:50:22,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:50:22,917 INFO L82 PathProgramCache]: Analyzing trace with hash 275219745, now seen corresponding path program 7 times [2021-07-14 20:50:22,918 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:50:22,918 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167807624] [2021-07-14 20:50:22,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:50:22,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:50:23,597 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:50:23,597 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:50:23,597 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167807624] [2021-07-14 20:50:23,597 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167807624] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:50:23,597 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1245313984] [2021-07-14 20:50:23,597 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 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:50:23,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:50:23,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 33 conjunts are in the unsatisfiable core [2021-07-14 20:50:23,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:50:24,207 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:50:24,207 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1245313984] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:50:24,207 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:50:24,208 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 25 [2021-07-14 20:50:24,208 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296795555] [2021-07-14 20:50:24,208 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-14 20:50:24,208 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:50:24,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-14 20:50:24,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=539, Unknown=0, NotChecked=0, Total=600 [2021-07-14 20:50:24,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:50:24,209 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:50:24,209 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.32) internal successors, (33), 25 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:50:24,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:24,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:24,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:24,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:24,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:50:24,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:24,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:50:24,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:24,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:24,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:50:24,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:50:24,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:50:24,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:50:24,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:50:24,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:50:24,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:50:24,506 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 40 [2021-07-14 20:50:24,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:24,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:24,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:24,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:24,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:50:24,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:24,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:50:24,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:24,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:24,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:50:24,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:50:24,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:50:24,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:50:24,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:50:24,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:50:24,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:50:25,101 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable660,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:50:25,101 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:50:25,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:50:25,102 INFO L82 PathProgramCache]: Analyzing trace with hash 1905027743, now seen corresponding path program 8 times [2021-07-14 20:50:25,102 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:50:25,102 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915707690] [2021-07-14 20:50:25,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:50:25,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:50:25,234 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:50:25,234 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:50:25,234 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915707690] [2021-07-14 20:50:25,235 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915707690] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:50:25,235 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [566967885] [2021-07-14 20:50:25,235 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 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:50:25,270 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 20:50:25,270 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:50:25,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-14 20:50:25,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:50:25,401 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:50:25,401 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [566967885] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:50:25,401 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:50:25,401 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 16 [2021-07-14 20:50:25,401 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413243193] [2021-07-14 20:50:25,401 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-14 20:50:25,402 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:50:25,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-14 20:50:25,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2021-07-14 20:50:25,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:50:25,402 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:50:25,402 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.5625) internal successors, (25), 16 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:50:25,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:25,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:25,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:25,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:25,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:50:25,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:25,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:50:25,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:25,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:25,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:50:25,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:50:25,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:50:25,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:50:25,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:50:25,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:50:25,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:50:25,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:50:25,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:25,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:25,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:25,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:25,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:50:25,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:25,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:50:25,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:25,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:25,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:50:25,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:50:25,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:50:25,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:50:25,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:50:25,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:50:25,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:50:25,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:50:25,913 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable669,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:50:25,914 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:50:25,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:50:25,914 INFO L82 PathProgramCache]: Analyzing trace with hash -312696903, now seen corresponding path program 9 times [2021-07-14 20:50:25,914 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:50:25,914 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518435607] [2021-07-14 20:50:25,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:50:25,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:50:26,621 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:50:26,622 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:50:26,622 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518435607] [2021-07-14 20:50:26,622 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518435607] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:50:26,622 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [397814594] [2021-07-14 20:50:26,622 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 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:50:26,659 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-07-14 20:50:26,659 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:50:26,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 35 conjunts are in the unsatisfiable core [2021-07-14 20:50:26,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:50:31,265 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:50:31,266 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [397814594] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:50:31,266 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:50:31,266 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 24 [2021-07-14 20:50:31,267 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970573695] [2021-07-14 20:50:31,267 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-14 20:50:31,267 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:50:31,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-14 20:50:31,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=483, Unknown=0, NotChecked=0, Total=552 [2021-07-14 20:50:31,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:50:31,269 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:50:31,269 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 1.3333333333333333) internal successors, (32), 24 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:50:31,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:31,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:31,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:31,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:31,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:50:31,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:31,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:50:31,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:31,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:31,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:50:31,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:50:31,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:50:31,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:50:31,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:50:31,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:50:31,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:50:31,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:50:31,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:50:32,045 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 67 [2021-07-14 20:50:32,291 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 59 [2021-07-14 20:50:32,513 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 80 [2021-07-14 20:50:32,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:32,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:32,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:32,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:32,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:50:32,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:32,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:50:32,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:32,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:32,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:50:32,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:50:32,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:50:32,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:50:32,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:50:32,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:50:32,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:50:32,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:50:32,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 20:50:32,763 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable676 [2021-07-14 20:50:32,763 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:50:32,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:50:32,763 INFO L82 PathProgramCache]: Analyzing trace with hash -1730273865, now seen corresponding path program 10 times [2021-07-14 20:50:32,763 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:50:32,763 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558738695] [2021-07-14 20:50:32,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:50:32,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:50:32,938 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 1 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:50:32,938 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:50:32,938 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558738695] [2021-07-14 20:50:32,938 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558738695] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:50:32,938 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [82569953] [2021-07-14 20:50:32,939 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 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:50:32,974 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 20:50:32,974 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:50:32,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 26 conjunts are in the unsatisfiable core [2021-07-14 20:50:32,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:50:33,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-07-14 20:50:33,085 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:33,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-07-14 20:50:33,088 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:33,090 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:33,091 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:33,093 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:33,093 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:33,109 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:50:33,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-07-14 20:50:33,112 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:33,113 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:50:33,113 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 20:50:33,118 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:50:33,119 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 20:50:33,119 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:97, output treesize:6 [2021-07-14 20:50:33,123 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 1 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:50:33,124 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [82569953] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:50:33,124 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:50:33,124 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 15 [2021-07-14 20:50:33,124 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248436440] [2021-07-14 20:50:33,124 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-14 20:50:33,124 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:50:33,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-14 20:50:33,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2021-07-14 20:50:33,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:50:33,125 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:50:33,125 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:50:33,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:33,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:33,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:33,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:33,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:50:33,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:33,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:50:33,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:33,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:33,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:50:33,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:50:33,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:50:33,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:50:33,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:50:33,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:50:33,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:50:33,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:50:33,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 20:50:33,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:50:33,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:33,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:33,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:33,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:33,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:50:33,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:33,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:50:33,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:33,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:33,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:50:33,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:50:33,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:50:33,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:50:33,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:50:33,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:50:33,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:50:33,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:50:33,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 20:50:33,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 20:50:33,615 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1689,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:50:33,615 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:50:33,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:50:33,615 INFO L82 PathProgramCache]: Analyzing trace with hash -1337897055, now seen corresponding path program 11 times [2021-07-14 20:50:33,616 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:50:33,616 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996321273] [2021-07-14 20:50:33,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:50:33,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:50:33,843 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 40 [2021-07-14 20:50:33,966 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 33 [2021-07-14 20:50:34,313 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 38 [2021-07-14 20:50:34,497 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 38 [2021-07-14 20:50:34,638 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2021-07-14 20:50:34,773 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2021-07-14 20:50:34,876 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:50:34,877 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:50:34,877 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996321273] [2021-07-14 20:50:34,877 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996321273] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:50:34,877 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2121208417] [2021-07-14 20:50:34,877 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 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:50:34,918 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-14 20:50:34,918 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:50:34,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 41 conjunts are in the unsatisfiable core [2021-07-14 20:50:34,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:50:35,666 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:50:35,666 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2121208417] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:50:35,666 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:50:35,667 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 34 [2021-07-14 20:50:35,667 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638254826] [2021-07-14 20:50:35,667 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-07-14 20:50:35,667 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:50:35,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-07-14 20:50:35,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1038, Unknown=0, NotChecked=0, Total=1122 [2021-07-14 20:50:35,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:50:35,668 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:50:35,668 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 34 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:50:35,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:35,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:35,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:35,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:35,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:50:35,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:35,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:50:35,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:35,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:35,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:50:35,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:50:35,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:50:35,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:50:35,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:50:35,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:50:35,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:50:35,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:50:35,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 20:50:35,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 20:50:35,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:50:36,937 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 64 [2021-07-14 20:50:37,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:37,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:37,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:37,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:37,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:50:37,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:37,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:50:37,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:37,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:37,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:50:37,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:50:37,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:50:37,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:50:37,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:50:37,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:50:37,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:50:37,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:50:37,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 20:50:37,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 20:50:37,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:50:37,237 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1700 [2021-07-14 20:50:37,238 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:50:37,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:50:37,238 INFO L82 PathProgramCache]: Analyzing trace with hash -2124724705, now seen corresponding path program 12 times [2021-07-14 20:50:37,238 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:50:37,238 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8788438] [2021-07-14 20:50:37,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:50:37,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:50:37,453 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 1 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:50:37,454 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:50:37,454 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8788438] [2021-07-14 20:50:37,454 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8788438] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:50:37,454 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1251285515] [2021-07-14 20:50:37,454 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 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 [2021-07-14 20:50:37,500 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-07-14 20:50:37,500 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:50:37,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 30 conjunts are in the unsatisfiable core [2021-07-14 20:50:37,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:50:37,675 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 1 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:50:37,675 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1251285515] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:50:37,675 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:50:37,675 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 22 [2021-07-14 20:50:37,675 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564340457] [2021-07-14 20:50:37,675 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-14 20:50:37,676 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:50:37,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-14 20:50:37,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2021-07-14 20:50:37,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:50:37,676 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:50:37,676 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 22 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:50:37,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:37,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:37,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:37,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:37,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:50:37,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:37,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:50:37,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:37,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:37,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:50:37,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:50:37,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:50:37,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:50:37,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:50:37,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:50:37,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:50:37,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:50:37,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 20:50:37,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 20:50:37,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:50:37,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:50:38,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:38,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:38,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:38,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:38,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:50:38,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:38,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:50:38,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:38,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:38,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:50:38,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:50:38,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:50:38,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:50:38,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:50:38,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:50:38,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:50:38,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:50:38,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 20:50:38,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 20:50:38,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:50:38,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 20:50:38,373 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1705,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:50:38,373 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:50:38,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:50:38,373 INFO L82 PathProgramCache]: Analyzing trace with hash -680971207, now seen corresponding path program 13 times [2021-07-14 20:50:38,373 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:50:38,374 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138075084] [2021-07-14 20:50:38,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:50:38,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:50:38,961 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:50:38,962 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:50:38,962 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138075084] [2021-07-14 20:50:38,962 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138075084] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:50:38,962 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [68809747] [2021-07-14 20:50:38,962 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 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 [2021-07-14 20:50:39,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:50:39,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 45 conjunts are in the unsatisfiable core [2021-07-14 20:50:39,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:50:40,000 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:50:40,001 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [68809747] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:50:40,001 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:50:40,001 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 37 [2021-07-14 20:50:40,001 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350378709] [2021-07-14 20:50:40,001 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-07-14 20:50:40,001 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:50:40,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-07-14 20:50:40,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=1244, Unknown=0, NotChecked=0, Total=1332 [2021-07-14 20:50:40,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:50:40,002 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:50:40,002 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 1.2162162162162162) internal successors, (45), 37 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:50:40,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:40,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:40,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:40,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:40,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:50:40,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:40,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:50:40,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:40,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:40,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:50:40,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:50:40,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:50:40,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:50:40,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:50:40,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:50:40,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:50:40,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:50:40,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 20:50:40,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 20:50:40,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:50:40,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 20:50:40,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:50:41,377 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 63 [2021-07-14 20:50:41,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:41,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:41,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:41,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:41,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:50:41,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:41,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:50:41,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:41,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:41,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:50:41,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:50:41,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:50:41,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:50:41,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:50:41,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:50:41,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:50:41,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:50:41,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 20:50:41,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 20:50:41,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:50:41,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 20:50:41,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:50:41,795 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1712 [2021-07-14 20:50:41,796 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:50:41,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:50:41,796 INFO L82 PathProgramCache]: Analyzing trace with hash 640881657, now seen corresponding path program 14 times [2021-07-14 20:50:41,796 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:50:41,796 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576933302] [2021-07-14 20:50:41,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:50:41,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:50:42,042 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 2 proven. 70 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 20:50:42,043 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:50:42,043 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576933302] [2021-07-14 20:50:42,043 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576933302] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:50:42,043 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1176945639] [2021-07-14 20:50:42,043 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-07-14 20:50:42,083 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 20:50:42,084 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:50:42,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 34 conjunts are in the unsatisfiable core [2021-07-14 20:50:42,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:50:42,296 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 2 proven. 70 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 20:50:42,296 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1176945639] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:50:42,296 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:50:42,296 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 25 [2021-07-14 20:50:42,296 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217424774] [2021-07-14 20:50:42,297 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-14 20:50:42,297 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:50:42,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-14 20:50:42,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=532, Unknown=0, NotChecked=0, Total=600 [2021-07-14 20:50:42,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:50:42,298 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:50:42,298 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.4) internal successors, (35), 25 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) [2021-07-14 20:50:42,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:42,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:42,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:42,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:42,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:50:42,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:42,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:50:42,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:42,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:42,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:50:42,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:50:42,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:50:42,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:50:42,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:50:42,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:50:42,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:50:42,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:50:42,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 20:50:42,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 20:50:42,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:50:42,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 20:50:42,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:50:42,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:50:42,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:42,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:42,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:42,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:42,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:50:42,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:42,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:50:42,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:42,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:42,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:50:42,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:50:42,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:50:42,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:50:42,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:50:42,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:50:42,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:50:42,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:50:42,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 20:50:42,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 20:50:42,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:50:42,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 20:50:42,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:50:42,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 20:50:43,039 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1719,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:50:43,039 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:50:43,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:50:43,039 INFO L82 PathProgramCache]: Analyzing trace with hash -846519905, now seen corresponding path program 15 times [2021-07-14 20:50:43,039 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:50:43,040 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661421264] [2021-07-14 20:50:43,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:50:43,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:50:43,328 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 1 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:50:43,328 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:50:43,329 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661421264] [2021-07-14 20:50:43,329 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661421264] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:50:43,329 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2123787069] [2021-07-14 20:50:43,329 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 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 [2021-07-14 20:50:43,380 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-07-14 20:50:43,381 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:50:43,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 38 conjunts are in the unsatisfiable core [2021-07-14 20:50:43,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:50:43,633 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 1 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:50:43,633 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2123787069] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:50:43,633 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:50:43,634 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 28 [2021-07-14 20:50:43,634 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921479539] [2021-07-14 20:50:43,634 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-07-14 20:50:43,634 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:50:43,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-07-14 20:50:43,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=679, Unknown=0, NotChecked=0, Total=756 [2021-07-14 20:50:43,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:50:43,635 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:50:43,636 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 1.3214285714285714) internal successors, (37), 28 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:50:43,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:43,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:43,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:43,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:43,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:50:43,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:43,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:50:43,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:43,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:43,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:50:43,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:50:43,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:50:43,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:50:43,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:50:43,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:50:43,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:50:43,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:50:43,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 20:50:43,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 20:50:43,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:50:43,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 20:50:43,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:50:43,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 20:50:43,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:50:44,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:44,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:44,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:44,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:44,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:50:44,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:44,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:50:44,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:44,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:50:44,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:50:44,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:50:44,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:50:44,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:50:44,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:50:44,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:50:44,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:50:44,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:50:44,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 20:50:44,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 20:50:44,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:50:44,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 20:50:44,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:50:44,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 20:50:44,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 20:50:44,467 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1726,18 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:50:44,467 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:50:44,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:50:44,468 INFO L82 PathProgramCache]: Analyzing trace with hash 288671929, now seen corresponding path program 16 times [2021-07-14 20:50:44,468 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:50:44,468 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691781208] [2021-07-14 20:50:44,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:50:44,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:50:45,158 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:50:45,159 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:50:45,159 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691781208] [2021-07-14 20:50:45,159 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691781208] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:50:45,159 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [80909037] [2021-07-14 20:50:45,159 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 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 [2021-07-14 20:50:45,213 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 20:50:45,213 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:50:45,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 53 conjunts are in the unsatisfiable core [2021-07-14 20:50:45,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:51:29,320 WARN L205 SmtUtils]: Spent 44.08 s on a formula simplification. DAG size of input: 90 DAG size of output: 60 [2021-07-14 20:51:30,359 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2021-07-14 20:58:33,917 WARN L205 SmtUtils]: Spent 7.06 m on a formula simplification. DAG size of input: 54 DAG size of output: 57 [2021-07-14 20:58:34,124 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2021-07-14 20:58:34,354 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2021-07-14 20:58:34,560 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2021-07-14 20:58:35,148 WARN L205 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2021-07-14 20:58:38,083 WARN L205 SmtUtils]: Spent 2.93 s on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2021-07-14 20:58:38,208 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown