/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-Random521.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-3.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 14:41:06,155 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 14:41:06,160 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 14:41:06,184 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-10 14:41:06,193 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-10 14:41:06,194 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-10 14:41:06,195 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-10 14:41:06,196 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-10 14:41:06,196 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-10 14:41:06,197 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-10 14:41:06,199 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-10 14:41:06,200 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-10 14:41:06,201 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-10 14:41:06,202 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-10 14:41:06,203 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-10 14:41:06,204 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-10 14:41:06,206 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-10 14:41:06,217 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-Random521.epf [2021-07-10 14:41:06,236 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 14:41:06,237 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 14:41:06,237 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 14:41:06,237 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 14:41:06,238 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 14:41:06,238 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 14:41:06,238 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 14:41:06,239 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 14:41:06,239 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 14:41:06,239 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 14:41:06,239 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 14:41:06,239 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 14:41:06,239 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 14:41:06,239 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 14:41:06,240 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 14:41:06,240 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 14:41:06,240 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 14:41:06,240 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 14:41:06,240 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 14:41:06,248 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 14:41:06,251 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 14:41:06,251 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 14:41:06,251 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 14:41:06,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 14:41:06,252 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 14:41:06,252 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 14:41:06,252 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 14:41:06,252 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 14:41:06,252 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-10 14:41:06,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 14:41:06,253 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 14:41:06,253 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 14:41:06,253 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 14:41:06,253 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-10 14:41:06,253 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-10 14:41:06,254 INFO L138 SettingsManager]: * Random seed used by POR DFS order=521 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 14:41:06,588 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 14:41:06,613 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 14:41:06,616 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 14:41:06,617 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-10 14:41:06,618 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-10 14:41:06,619 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-3.wvr.bpl [2021-07-10 14:41:06,619 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-3.wvr.bpl' [2021-07-10 14:41:06,648 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 14:41:06,650 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-10 14:41:06,651 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 14:41:06,651 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 14:41:06,652 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 14:41:06,662 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:41:06" (1/1) ... [2021-07-10 14:41:06,668 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:41:06" (1/1) ... [2021-07-10 14:41:06,673 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 14:41:06,675 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 14:41:06,675 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 14:41:06,675 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 14:41:06,682 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:41:06" (1/1) ... [2021-07-10 14:41:06,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:41:06" (1/1) ... [2021-07-10 14:41:06,684 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:41:06" (1/1) ... [2021-07-10 14:41:06,684 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:41:06" (1/1) ... [2021-07-10 14:41:06,688 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:41:06" (1/1) ... [2021-07-10 14:41:06,693 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:41:06" (1/1) ... [2021-07-10 14:41:06,694 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:41:06" (1/1) ... [2021-07-10 14:41:06,695 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 14:41:06,697 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 14:41:06,698 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 14:41:06,698 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 14:41:06,699 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:41:06" (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 [2021-07-10 14:41:06,762 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-10 14:41:06,762 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 14:41:06,762 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 14:41:06,762 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-10 14:41:06,763 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 14:41:06,763 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 14:41:06,763 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-10 14:41:06,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 14:41:06,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 14:41:06,764 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-10 14:41:06,964 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 14:41:06,964 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-07-10 14:41:06,965 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-07-10 14:41:06,965 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-07-10 14:41:06,966 INFO L202 PluginConnector]: Adding new model unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 02:41:06 BoogieIcfgContainer [2021-07-10 14:41:06,966 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 14:41:06,968 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 14:41:06,968 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 14:41:06,971 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 14:41:06,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:41:06" (1/2) ... [2021-07-10 14:41:06,972 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c9a0525 and model type unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 02:41:06, skipping insertion in model container [2021-07-10 14:41:06,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 02:41:06" (2/2) ... [2021-07-10 14:41:06,973 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-3.wvr.bpl [2021-07-10 14:41:06,978 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 14:41:06,978 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 14:41:06,978 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 14:41:06,979 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 14:41:07,002 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-10 14:41:07,034 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 [2021-07-10 14:41:07,142 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 14:41:07,142 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 14:41:07,142 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 14:41:07,142 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 14:41:07,142 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 14:41:07,142 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 14:41:07,142 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 14:41:07,143 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 14:41:07,216 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:41:07,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:41:07,228 INFO L82 PathProgramCache]: Analyzing trace with hash 1040214325, now seen corresponding path program 1 times [2021-07-10 14:41:07,236 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:41:07,237 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206645638] [2021-07-10 14:41:07,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:41:07,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:41:07,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:41:07,412 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:41:07,412 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206645638] [2021-07-10 14:41:07,413 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206645638] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 14:41:07,413 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 14:41:07,413 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-10 14:41:07,414 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589112871] [2021-07-10 14:41:07,418 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-10 14:41:07,418 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:41:07,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-10 14:41:07,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-10 14:41:07,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:07,436 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:41:07,438 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 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) [2021-07-10 14:41:07,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:07,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:07,467 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 14:41:07,468 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:41:07,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:41:07,471 INFO L82 PathProgramCache]: Analyzing trace with hash -2112365868, now seen corresponding path program 1 times [2021-07-10 14:41:07,471 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:41:07,472 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75302657] [2021-07-10 14:41:07,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:41:07,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:41:07,541 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:41:07,542 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:41:07,542 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75302657] [2021-07-10 14:41:07,542 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75302657] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 14:41:07,542 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 14:41:07,542 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-10 14:41:07,542 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329717769] [2021-07-10 14:41:07,544 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-10 14:41:07,544 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:41:07,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-10 14:41:07,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-10 14:41:07,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:07,545 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:41:07,545 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 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) [2021-07-10 14:41:07,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:07,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:07,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:07,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:07,584 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-10 14:41:07,585 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:41:07,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:41:07,585 INFO L82 PathProgramCache]: Analyzing trace with hash 1936183923, now seen corresponding path program 1 times [2021-07-10 14:41:07,585 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:41:07,586 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084011546] [2021-07-10 14:41:07,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:41:07,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:41:07,637 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:41:07,637 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:41:07,637 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084011546] [2021-07-10 14:41:07,638 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084011546] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:07,638 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [748475824] [2021-07-10 14:41:07,638 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 [2021-07-10 14:41:07,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:41:07,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjunts are in the unsatisfiable core [2021-07-10 14:41:07,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:41:07,772 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:41:07,773 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [748475824] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:07,773 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:41:07,773 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-07-10 14:41:07,773 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168646138] [2021-07-10 14:41:07,773 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-10 14:41:07,773 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:41:07,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-10 14:41:07,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-07-10 14:41:07,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:07,776 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:41:07,776 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 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) [2021-07-10 14:41:07,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:07,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:07,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:07,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:07,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:07,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:08,061 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:41:08,061 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:41:08,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:41:08,061 INFO L82 PathProgramCache]: Analyzing trace with hash -107112106, now seen corresponding path program 1 times [2021-07-10 14:41:08,062 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:41:08,062 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805635958] [2021-07-10 14:41:08,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:41:08,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:41:08,110 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 14:41:08,110 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:41:08,110 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805635958] [2021-07-10 14:41:08,110 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805635958] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:08,111 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [978255781] [2021-07-10 14:41:08,111 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 [2021-07-10 14:41:08,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:41:08,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-10 14:41:08,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:41:08,208 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 14:41:08,209 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [978255781] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:08,209 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:41:08,209 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-07-10 14:41:08,209 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799648952] [2021-07-10 14:41:08,210 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-10 14:41:08,211 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:41:08,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-10 14:41:08,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-10 14:41:08,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:08,212 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:41:08,214 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 2.75) 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) [2021-07-10 14:41:08,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:08,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:08,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:08,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:08,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:08,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:08,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:08,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:08,464 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:41:08,464 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:41:08,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:41:08,465 INFO L82 PathProgramCache]: Analyzing trace with hash 1752964680, now seen corresponding path program 2 times [2021-07-10 14:41:08,465 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:41:08,465 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391213136] [2021-07-10 14:41:08,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:41:08,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:41:08,501 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 14:41:08,502 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:41:08,502 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391213136] [2021-07-10 14:41:08,502 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391213136] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:08,502 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [728977886] [2021-07-10 14:41:08,502 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 [2021-07-10 14:41:08,532 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 14:41:08,532 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:41:08,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-10 14:41:08,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:41:08,581 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 14:41:08,581 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [728977886] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:08,581 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:41:08,581 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-07-10 14:41:08,582 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217982618] [2021-07-10 14:41:08,582 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-10 14:41:08,582 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:41:08,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-10 14:41:08,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-07-10 14:41:08,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:08,583 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:41:08,583 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 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) [2021-07-10 14:41:08,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:08,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:08,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:08,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:08,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:08,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:08,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:08,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:08,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:08,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:08,832 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:41:08,833 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:41:08,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:41:08,833 INFO L82 PathProgramCache]: Analyzing trace with hash -714197098, now seen corresponding path program 3 times [2021-07-10 14:41:08,834 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:41:08,834 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113989605] [2021-07-10 14:41:08,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:41:08,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:41:08,892 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:41:08,893 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:41:08,893 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113989605] [2021-07-10 14:41:08,893 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113989605] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:08,893 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1892588206] [2021-07-10 14:41:08,893 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 [2021-07-10 14:41:08,919 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-10 14:41:08,919 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:41:08,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-10 14:41:08,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:41:09,061 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 14:41:09,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 19 treesize of output 37 [2021-07-10 14:41:09,093 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:41:09,095 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 14:41:09,096 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 14:41:09,096 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:3 [2021-07-10 14:41:09,107 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:41:09,107 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1892588206] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:09,107 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:41:09,108 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 9 [2021-07-10 14:41:09,108 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357958376] [2021-07-10 14:41:09,108 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-10 14:41:09,108 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:41:09,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-10 14:41:09,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-07-10 14:41:09,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:09,109 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:41:09,110 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 2.2) internal successors, (22), 9 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) [2021-07-10 14:41:09,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:09,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:09,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:09,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:09,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:09,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:09,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:09,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:09,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:09,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:09,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:09,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:41:09,380 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-07-10 14:41:09,381 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:41:09,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:41:09,382 INFO L82 PathProgramCache]: Analyzing trace with hash -664545133, now seen corresponding path program 4 times [2021-07-10 14:41:09,382 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:41:09,382 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22832981] [2021-07-10 14:41:09,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:41:09,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:41:09,439 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:41:09,439 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:41:09,439 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22832981] [2021-07-10 14:41:09,440 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22832981] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:09,443 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1847879711] [2021-07-10 14:41:09,443 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 [2021-07-10 14:41:09,488 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 14:41:09,488 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:41:09,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-10 14:41:09,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:41:09,582 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:41:09,582 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1847879711] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:09,583 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:41:09,583 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-07-10 14:41:09,583 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693288286] [2021-07-10 14:41:09,583 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-10 14:41:09,583 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:41:09,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-10 14:41:09,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2021-07-10 14:41:09,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:09,584 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:41:09,584 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 2.0) internal successors, (18), 8 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:41:09,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:09,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:09,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:09,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:09,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:09,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:41:09,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:09,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:09,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:09,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:09,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:09,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:09,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:41:09,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:41:09,930 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:41:09,930 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:41:09,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:41:09,931 INFO L82 PathProgramCache]: Analyzing trace with hash 113199112, now seen corresponding path program 5 times [2021-07-10 14:41:09,931 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:41:09,931 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006992676] [2021-07-10 14:41:09,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:41:09,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:41:09,984 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:41:09,985 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:41:09,985 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006992676] [2021-07-10 14:41:09,985 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006992676] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:09,985 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [943887334] [2021-07-10 14:41:09,985 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 [2021-07-10 14:41:10,017 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-07-10 14:41:10,018 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:41:10,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-10 14:41:10,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:41:10,067 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:41:10,068 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [943887334] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:10,068 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:41:10,068 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-07-10 14:41:10,068 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029198291] [2021-07-10 14:41:10,068 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-10 14:41:10,069 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:41:10,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-10 14:41:10,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-07-10 14:41:10,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:10,069 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:41:10,070 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 2.0) internal successors, (18), 8 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:41:10,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:10,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:10,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:10,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:10,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:10,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:41:10,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:41:10,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:10,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:10,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:10,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:10,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:10,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:10,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:41:10,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:41:10,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:41:10,392 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-07-10 14:41:10,393 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:41:10,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:41:10,393 INFO L82 PathProgramCache]: Analyzing trace with hash -785066399, now seen corresponding path program 6 times [2021-07-10 14:41:10,393 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:41:10,393 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114310981] [2021-07-10 14:41:10,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:41:10,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:41:10,474 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-10 14:41:10,474 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:41:10,474 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114310981] [2021-07-10 14:41:10,474 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114310981] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:10,474 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [384018506] [2021-07-10 14:41:10,474 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 [2021-07-10 14:41:10,523 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-07-10 14:41:10,523 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:41:10,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-10 14:41:10,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:41:10,578 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-10 14:41:10,579 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [384018506] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:10,579 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:41:10,579 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-07-10 14:41:10,579 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369943630] [2021-07-10 14:41:10,579 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-10 14:41:10,580 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:41:10,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-10 14:41:10,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-07-10 14:41:10,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:10,581 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:41:10,581 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 10 states have internal predecessors, (19), 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) [2021-07-10 14:41:10,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:10,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:10,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:10,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:10,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:10,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:41:10,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:41:10,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:41:10,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:10,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:10,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:10,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:10,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:10,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:10,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:41:10,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:41:10,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:41:10,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:41:10,900 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-07-10 14:41:10,900 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:41:10,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:41:10,901 INFO L82 PathProgramCache]: Analyzing trace with hash -226258349, now seen corresponding path program 7 times [2021-07-10 14:41:10,901 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:41:10,901 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411762876] [2021-07-10 14:41:10,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:41:10,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:41:10,968 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-10 14:41:10,968 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:41:10,968 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411762876] [2021-07-10 14:41:10,968 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411762876] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:10,968 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [346277009] [2021-07-10 14:41:10,968 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 [2021-07-10 14:41:10,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:41:10,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-10 14:41:10,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:41:11,072 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-10 14:41:11,073 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [346277009] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:11,073 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:41:11,073 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-07-10 14:41:11,074 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379137385] [2021-07-10 14:41:11,074 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-10 14:41:11,074 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:41:11,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-10 14:41:11,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-07-10 14:41:11,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:11,077 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:41:11,077 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 12 states have internal predecessors, (21), 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) [2021-07-10 14:41:11,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:11,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:11,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:11,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:11,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:11,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:41:11,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:41:11,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:41:11,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:41:11,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:11,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:11,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:11,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:11,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:11,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:11,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:41:11,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:41:11,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:41:11,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:41:11,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:41:11,442 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:41:11,442 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:41:11,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:41:11,443 INFO L82 PathProgramCache]: Analyzing trace with hash -83077983, now seen corresponding path program 8 times [2021-07-10 14:41:11,443 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:41:11,443 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654707796] [2021-07-10 14:41:11,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:41:11,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:41:11,501 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:41:11,501 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:41:11,501 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654707796] [2021-07-10 14:41:11,501 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654707796] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:11,502 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [988238732] [2021-07-10 14:41:11,502 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 [2021-07-10 14:41:11,539 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 14:41:11,540 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:41:11,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 23 conjunts are in the unsatisfiable core [2021-07-10 14:41:11,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:41:11,769 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 14:41:11,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 31 treesize of output 142 [2021-07-10 14:41:12,225 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:41:12,226 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 14:41:12,227 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 14:41:12,227 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:3 [2021-07-10 14:41:12,233 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:41:12,234 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [988238732] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:12,234 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:41:12,234 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10] total 16 [2021-07-10 14:41:12,234 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137105313] [2021-07-10 14:41:12,235 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-10 14:41:12,236 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:41:12,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-10 14:41:12,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2021-07-10 14:41:12,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:12,236 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:41:12,236 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 1.7647058823529411) internal successors, (30), 16 states have internal predecessors, (30), 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) [2021-07-10 14:41:12,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:12,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:12,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:12,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:12,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:12,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:41:12,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:41:12,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:41:12,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:41:12,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:41:12,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:12,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:12,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:12,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:12,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:12,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:12,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:41:12,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:41:12,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:41:12,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:41:12,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:41:12,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:41:12,540 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:41:12,541 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:41:12,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:41:12,541 INFO L82 PathProgramCache]: Analyzing trace with hash 1720278248, now seen corresponding path program 9 times [2021-07-10 14:41:12,541 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:41:12,541 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193096389] [2021-07-10 14:41:12,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:41:12,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:41:12,624 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:41:12,624 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:41:12,624 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193096389] [2021-07-10 14:41:12,624 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193096389] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:12,624 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1485200850] [2021-07-10 14:41:12,624 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 [2021-07-10 14:41:12,657 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-07-10 14:41:12,657 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:41:12,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-10 14:41:12,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:41:12,717 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:41:12,717 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1485200850] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:12,717 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:41:12,718 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 12 [2021-07-10 14:41:12,718 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917948580] [2021-07-10 14:41:12,718 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-10 14:41:12,718 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:41:12,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-10 14:41:12,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2021-07-10 14:41:12,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:12,719 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:41:12,719 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 12 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) [2021-07-10 14:41:12,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:12,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:12,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:12,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:12,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:12,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:41:12,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:41:12,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:41:12,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:41:12,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:41:12,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:41:12,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:12,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:12,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:12,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:12,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:12,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:12,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:41:12,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:41:12,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:41:12,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:41:12,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:41:12,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:41:12,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:41:13,196 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable57 [2021-07-10 14:41:13,197 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:41:13,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:41:13,197 INFO L82 PathProgramCache]: Analyzing trace with hash 801682899, now seen corresponding path program 10 times [2021-07-10 14:41:13,197 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:41:13,197 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110461084] [2021-07-10 14:41:13,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:41:13,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:41:13,316 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 28 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:41:13,316 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:41:13,316 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110461084] [2021-07-10 14:41:13,316 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110461084] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:13,316 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1020713622] [2021-07-10 14:41:13,317 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 [2021-07-10 14:41:13,349 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 14:41:13,349 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:41:13,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-10 14:41:13,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:41:13,419 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 36 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:41:13,419 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1020713622] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:13,420 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:41:13,420 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 14 [2021-07-10 14:41:13,421 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559125727] [2021-07-10 14:41:13,421 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-10 14:41:13,421 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:41:13,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-10 14:41:13,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2021-07-10 14:41:13,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:13,422 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:41:13,422 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.6) internal successors, (24), 14 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) [2021-07-10 14:41:13,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:13,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:13,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:13,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:13,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:13,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:41:13,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:41:13,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:41:13,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:41:13,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:41:13,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:41:13,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:41:13,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:13,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:13,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:13,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:13,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:13,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:13,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:41:13,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:41:13,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:41:13,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:41:13,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:41:13,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:41:13,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:41:13,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:41:13,815 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2021-07-10 14:41:13,815 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:41:13,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:41:13,816 INFO L82 PathProgramCache]: Analyzing trace with hash -916905482, now seen corresponding path program 11 times [2021-07-10 14:41:13,816 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:41:13,816 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279052566] [2021-07-10 14:41:13,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:41:13,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:41:13,912 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:41:13,913 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:41:13,913 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279052566] [2021-07-10 14:41:13,913 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279052566] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:13,913 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1595374668] [2021-07-10 14:41:13,913 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 [2021-07-10 14:41:13,957 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-10 14:41:13,957 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:41:13,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 31 conjunts are in the unsatisfiable core [2021-07-10 14:41:13,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:41:14,388 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2021-07-10 14:41:14,388 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 14:41:14,388 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 17 new quantified variables, introduced 36 case distinctions, treesize of input 43 treesize of output 319 [2021-07-10 14:41:15,199 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 233 [2021-07-10 14:41:15,321 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 354 DAG size of output: 252 [2021-07-10 14:41:15,454 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 256 [2021-07-10 14:41:15,595 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 278 [2021-07-10 14:41:15,764 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 285 [2021-07-10 14:41:15,983 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 285 [2021-07-10 14:41:16,182 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 408 DAG size of output: 295 [2021-07-10 14:41:16,332 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 264 [2021-07-10 14:41:16,690 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 279 [2021-07-10 14:41:16,853 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 244 [2021-07-10 14:41:17,554 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 234 [2021-07-10 14:41:17,791 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 241 [2021-07-10 14:41:17,944 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 293 [2021-07-10 14:41:19,278 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 241 [2021-07-10 14:41:19,476 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 522 DAG size of output: 273 [2021-07-10 14:41:19,671 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 522 DAG size of output: 273 [2021-07-10 14:41:19,840 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 525 DAG size of output: 279 [2021-07-10 14:41:20,091 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 270 [2021-07-10 14:41:21,316 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 481 DAG size of output: 268 [2021-07-10 14:41:21,489 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 492 DAG size of output: 276 [2021-07-10 14:41:21,625 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 492 DAG size of output: 276 [2021-07-10 14:41:21,774 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 495 DAG size of output: 280 [2021-07-10 14:41:22,317 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:41:22,318 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 14:41:22,319 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 14:41:22,319 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:3 [2021-07-10 14:41:22,324 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:41:22,324 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1595374668] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:22,324 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:41:22,324 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 14] total 23 [2021-07-10 14:41:22,324 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123319462] [2021-07-10 14:41:22,326 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-10 14:41:22,326 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:41:22,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-10 14:41:22,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=495, Unknown=0, NotChecked=0, Total=552 [2021-07-10 14:41:22,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:22,327 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:41:22,328 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 1.5833333333333333) internal successors, (38), 23 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:41:22,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:22,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:22,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:22,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:22,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:22,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:41:22,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:41:22,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:41:22,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:41:22,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:41:22,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:41:22,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:41:22,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:41:22,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:22,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:22,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:22,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:22,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:22,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:22,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:41:22,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:41:22,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:41:22,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:41:22,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:41:22,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:41:22,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:41:22,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:41:22,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 14:41:22,741 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2021-07-10 14:41:22,741 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:41:22,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:41:22,742 INFO L82 PathProgramCache]: Analyzing trace with hash 1641429555, now seen corresponding path program 12 times [2021-07-10 14:41:22,742 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:41:22,742 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422855617] [2021-07-10 14:41:22,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:41:22,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:41:22,858 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:41:22,859 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:41:22,859 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422855617] [2021-07-10 14:41:22,859 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422855617] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:22,859 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [733833041] [2021-07-10 14:41:22,859 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 [2021-07-10 14:41:22,899 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-07-10 14:41:22,899 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:41:22,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-10 14:41:22,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:41:22,952 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:41:22,952 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [733833041] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:22,952 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:41:22,952 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 16 [2021-07-10 14:41:22,953 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822546893] [2021-07-10 14:41:22,953 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-10 14:41:22,953 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:41:22,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-10 14:41:22,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2021-07-10 14:41:22,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:22,954 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:41:22,955 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 16 states have internal predecessors, (26), 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) [2021-07-10 14:41:22,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:22,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:22,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:22,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:22,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:22,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:41:22,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:41:22,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:41:22,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:41:22,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:41:22,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:41:22,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:41:22,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:41:22,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 14:41:22,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:23,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:23,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:23,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:23,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:23,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:23,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:41:23,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:41:23,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:41:23,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:41:23,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:41:23,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:41:23,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:41:23,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:41:23,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 14:41:23,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 14:41:23,456 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable690,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:41:23,457 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:41:23,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:41:23,457 INFO L82 PathProgramCache]: Analyzing trace with hash -1715627480, now seen corresponding path program 13 times [2021-07-10 14:41:23,457 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:41:23,457 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386116464] [2021-07-10 14:41:23,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:41:23,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:41:23,618 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 55 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:41:23,619 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:41:23,619 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386116464] [2021-07-10 14:41:23,619 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386116464] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:23,619 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [30413058] [2021-07-10 14:41:23,619 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 [2021-07-10 14:41:23,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:41:23,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-10 14:41:23,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:41:23,720 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 66 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:41:23,720 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [30413058] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:23,721 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:41:23,721 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 18 [2021-07-10 14:41:23,721 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261048795] [2021-07-10 14:41:23,722 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-10 14:41:23,722 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:41:23,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-10 14:41:23,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=234, Unknown=0, NotChecked=0, Total=342 [2021-07-10 14:41:23,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:23,723 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:41:23,723 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 18 states have internal predecessors, (28), 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) [2021-07-10 14:41:23,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:23,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:23,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:23,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:23,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:23,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:41:23,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:41:23,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:41:23,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:41:23,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:41:23,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:41:23,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:41:23,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:41:23,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 14:41:23,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 14:41:23,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:41:23,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:41:23,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:23,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:23,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:41:23,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:41:23,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:41:23,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:41:23,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:41:23,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:41:23,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:41:23,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:41:23,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:41:23,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:41:23,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 14:41:23,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 14:41:23,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:41:24,179 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable691,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:41:24,179 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:41:24,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:41:24,179 INFO L82 PathProgramCache]: Analyzing trace with hash -1644115903, now seen corresponding path program 14 times [2021-07-10 14:41:24,179 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:41:24,184 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831450734] [2021-07-10 14:41:24,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:41:24,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:41:24,343 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:41:24,344 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:41:24,344 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831450734] [2021-07-10 14:41:24,344 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831450734] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:41:24,344 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [206804595] [2021-07-10 14:41:24,344 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 [2021-07-10 14:41:24,382 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 14:41:24,382 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:41:24,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 39 conjunts are in the unsatisfiable core [2021-07-10 14:41:24,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:41:25,109 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2021-07-10 14:41:25,109 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 14:41:25,110 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 23 new quantified variables, introduced 66 case distinctions, treesize of input 55 treesize of output 568 [2021-07-10 14:41:26,567 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 553 DAG size of output: 343 [2021-07-10 14:41:26,761 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 582 DAG size of output: 372 [2021-07-10 14:41:28,072 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 546 DAG size of output: 337 [2021-07-10 14:41:28,249 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 573 DAG size of output: 364 [2021-07-10 14:41:28,678 WARN L205 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 1033 DAG size of output: 619 [2021-07-10 14:41:29,198 WARN L205 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 1043 DAG size of output: 624 [2021-07-10 14:41:30,348 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 317 [2021-07-10 14:41:30,544 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 529 DAG size of output: 527 [2021-07-10 14:41:31,450 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 511 DAG size of output: 314 [2021-07-10 14:41:31,837 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 945 DAG size of output: 745 [2021-07-10 14:41:32,297 WARN L205 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 969 DAG size of output: 769 [2021-07-10 14:41:33,210 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 519 DAG size of output: 322 [2021-07-10 14:41:34,567 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 538 DAG size of output: 534 [2021-07-10 14:41:34,975 WARN L205 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 954 DAG size of output: 752 [2021-07-10 14:41:35,471 WARN L205 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 980 DAG size of output: 778 [2021-07-10 14:41:36,555 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 1815 DAG size of output: 1411 [2021-07-10 14:41:37,840 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 1825 DAG size of output: 1419 [2021-07-10 14:41:39,954 WARN L205 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 2733 DAG size of output: 1906 [2021-07-10 14:41:42,366 WARN L205 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 2763 DAG size of output: 1936 [2021-07-10 14:41:45,156 WARN L205 SmtUtils]: Spent 2.77 s on a formula simplification. DAG size of input: 2790 DAG size of output: 1963 [2021-07-10 14:41:48,375 WARN L205 SmtUtils]: Spent 3.21 s on a formula simplification. DAG size of input: 2801 DAG size of output: 1974 [2021-07-10 14:41:51,987 WARN L205 SmtUtils]: Spent 3.60 s on a formula simplification. DAG size of input: 2827 DAG size of output: 1998 [2021-07-10 14:41:55,624 WARN L205 SmtUtils]: Spent 3.63 s on a formula simplification. DAG size of input: 2827 DAG size of output: 1998 [2021-07-10 14:41:59,670 WARN L205 SmtUtils]: Spent 4.04 s on a formula simplification. DAG size of input: 2840 DAG size of output: 2011 [2021-07-10 14:42:00,838 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 2013 DAG size of output: 2150 [2021-07-10 14:42:04,076 WARN L205 SmtUtils]: Spent 3.22 s on a formula simplification. DAG size of input: 2008 DAG size of output: 2005 [2021-07-10 14:42:06,314 WARN L205 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 2002 DAG size of output: 2347 [2021-07-10 14:42:10,927 WARN L205 SmtUtils]: Spent 4.60 s on a formula simplification. DAG size of input: 1999 DAG size of output: 2441 [2021-07-10 14:42:12,409 WARN L205 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 1995 DAG size of output: 2001 [2021-07-10 14:42:15,649 WARN L205 SmtUtils]: Spent 3.23 s on a formula simplification. DAG size of input: 1992 DAG size of output: 2011 [2021-07-10 14:42:15,963 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 1989 DAG size of output: 1989 [2021-07-10 14:42:16,103 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 1984 [2021-07-10 14:42:16,380 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 1962 DAG size of output: 1962 [2021-07-10 14:42:19,858 WARN L205 SmtUtils]: Spent 3.47 s on a formula simplification. DAG size of input: 1953 DAG size of output: 2305 [2021-07-10 14:42:19,997 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 1076 DAG size of output: 1076 [2021-07-10 14:42:20,144 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 1053 DAG size of output: 1053 [2021-07-10 14:42:20,342 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 1031 DAG size of output: 1031 [2021-07-10 14:42:22,586 WARN L205 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 1409 DAG size of output: 575 [2021-07-10 14:42:23,111 WARN L205 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 1420 DAG size of output: 584 [2021-07-10 14:42:24,140 WARN L205 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 1603 DAG size of output: 662 [2021-07-10 14:42:24,818 WARN L205 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 1620 DAG size of output: 679 [2021-07-10 14:42:25,635 WARN L205 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 1680 DAG size of output: 746 [2021-07-10 14:42:26,624 WARN L205 SmtUtils]: Spent 981.00 ms on a formula simplification. DAG size of input: 1709 DAG size of output: 769 [2021-07-10 14:42:28,576 WARN L205 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 2355 DAG size of output: 1207 [2021-07-10 14:42:31,090 WARN L205 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 2852 DAG size of output: 1424 [2021-07-10 14:42:34,016 WARN L205 SmtUtils]: Spent 2.92 s on a formula simplification. DAG size of input: 2858 DAG size of output: 1428 [2021-07-10 14:42:37,620 WARN L205 SmtUtils]: Spent 3.59 s on a formula simplification. DAG size of input: 3044 DAG size of output: 1578 [2021-07-10 14:42:41,216 WARN L205 SmtUtils]: Spent 3.58 s on a formula simplification. DAG size of input: 3044 DAG size of output: 1578 [2021-07-10 14:42:45,333 WARN L205 SmtUtils]: Spent 4.11 s on a formula simplification. DAG size of input: 3055 DAG size of output: 1590 [2021-07-10 14:42:45,480 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 1583 [2021-07-10 14:42:48,804 WARN L205 SmtUtils]: Spent 3.31 s on a formula simplification. DAG size of input: 1585 DAG size of output: 1658 [2021-07-10 14:42:52,012 WARN L205 SmtUtils]: Spent 3.19 s on a formula simplification. DAG size of input: 1565 DAG size of output: 1614 [2021-07-10 14:42:52,467 WARN L205 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 1531 DAG size of output: 1526 [2021-07-10 14:42:54,931 WARN L205 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 1390 DAG size of output: 1324 [2021-07-10 14:42:57,174 WARN L205 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 1321 DAG size of output: 1007 [2021-07-10 14:42:57,505 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 269 [2021-07-10 14:42:58,645 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 234 [2021-07-10 14:42:58,891 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 377 [2021-07-10 14:42:59,114 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 400 [2021-07-10 14:42:59,301 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 327 [2021-07-10 14:43:00,038 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 581 DAG size of output: 288 [2021-07-10 14:43:00,841 WARN L205 SmtUtils]: Spent 799.00 ms on a formula simplification. DAG size of input: 1111 DAG size of output: 701 [2021-07-10 14:43:01,776 WARN L205 SmtUtils]: Spent 930.00 ms on a formula simplification. DAG size of input: 1123 DAG size of output: 715 [2021-07-10 14:43:02,519 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 232 [2021-07-10 14:43:02,700 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 273 [2021-07-10 14:43:02,959 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 240 [2021-07-10 14:43:03,365 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 216 [2021-07-10 14:43:03,882 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 234 [2021-07-10 14:43:04,069 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 237 [2021-07-10 14:43:04,308 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 266 [2021-07-10 14:43:04,702 WARN L205 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 398 [2021-07-10 14:43:05,096 WARN L205 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 398 [2021-07-10 14:43:05,675 WARN L205 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 694 DAG size of output: 545 [2021-07-10 14:43:07,319 WARN L205 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 1691 DAG size of output: 1148 [2021-07-10 14:43:09,395 WARN L205 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 1798 DAG size of output: 1244 [2021-07-10 14:43:11,902 WARN L205 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 1926 DAG size of output: 1352 [2021-07-10 14:43:14,422 WARN L205 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 1926 DAG size of output: 1352 [2021-07-10 14:43:18,525 WARN L205 SmtUtils]: Spent 4.09 s on a formula simplification. DAG size of input: 1937 DAG size of output: 1305 [2021-07-10 14:43:20,106 WARN L205 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 1223 DAG size of output: 1120 [2021-07-10 14:43:22,025 WARN L205 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 1012 DAG size of output: 906 [2021-07-10 14:43:22,728 WARN L205 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 899 DAG size of output: 860 [2021-07-10 14:43:24,086 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 763 DAG size of output: 845 [2021-07-10 14:43:24,401 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 202 [2021-07-10 14:43:24,980 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 253 [2021-07-10 14:43:25,238 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 250 [2021-07-10 14:43:25,625 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 193 [2021-07-10 14:43:25,775 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 172 [2021-07-10 14:43:26,668 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 284 [2021-07-10 14:43:26,910 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 649 DAG size of output: 328 [2021-07-10 14:43:27,026 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 227 [2021-07-10 14:43:27,650 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 159 [2021-07-10 14:43:27,780 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 164 [2021-07-10 14:43:28,005 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 282 [2021-07-10 14:43:28,614 WARN L205 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 858 DAG size of output: 535 [2021-07-10 14:43:29,347 WARN L205 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 866 DAG size of output: 542 [2021-07-10 14:43:29,532 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 279 [2021-07-10 14:43:31,309 WARN L205 SmtUtils]: Spent 959.00 ms on a formula simplification. DAG size of input: 1020 DAG size of output: 630 [2021-07-10 14:43:32,649 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 1153 DAG size of output: 730 [2021-07-10 14:43:33,967 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 1153 DAG size of output: 730 [2021-07-10 14:43:35,402 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 1155 DAG size of output: 732 [2021-07-10 14:43:36,868 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 729 DAG size of output: 729 [2021-07-10 14:43:37,271 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 439 DAG size of output: 292 [2021-07-10 14:43:37,377 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 186 [2021-07-10 14:43:38,248 WARN L205 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 420 [2021-07-10 14:43:38,440 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 258 [2021-07-10 14:43:38,558 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 233 [2021-07-10 14:43:39,767 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 186 [2021-07-10 14:43:39,951 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 593 DAG size of output: 281 [2021-07-10 14:43:40,129 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 593 DAG size of output: 281 [2021-07-10 14:43:40,489 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 598 DAG size of output: 346 [2021-07-10 14:43:40,897 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 225 [2021-07-10 14:43:41,016 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 229 [2021-07-10 14:43:41,141 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 213 [2021-07-10 14:43:41,631 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 198 [2021-07-10 14:43:41,848 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 286 [2021-07-10 14:43:42,058 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 286 [2021-07-10 14:43:42,303 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 292 [2021-07-10 14:43:42,562 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 334 [2021-07-10 14:43:42,788 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 343 [2021-07-10 14:43:43,019 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 318 [2021-07-10 14:43:43,161 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 266 [2021-07-10 14:43:43,285 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 249 [2021-07-10 14:43:43,775 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 423 DAG size of output: 239 [2021-07-10 14:43:43,896 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 423 DAG size of output: 239 [2021-07-10 14:43:44,008 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 239 [2021-07-10 14:43:44,130 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 257 [2021-07-10 14:43:44,321 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:43:44,322 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 14:43:44,323 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 14:43:44,323 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:3 [2021-07-10 14:43:44,334 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:43:44,334 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [206804595] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:43:44,335 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:43:44,335 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 18] total 30 [2021-07-10 14:43:44,335 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260770077] [2021-07-10 14:43:44,335 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-10 14:43:44,335 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:43:44,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-10 14:43:44,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=855, Unknown=0, NotChecked=0, Total=930 [2021-07-10 14:43:44,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:43:44,336 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:43:44,336 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.4838709677419355) internal successors, (46), 30 states have internal predecessors, (46), 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) [2021-07-10 14:43:44,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:43:44,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:43:44,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:43:44,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:43:44,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:43:44,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:43:44,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:43:44,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:43:44,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:43:44,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:43:44,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:43:44,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:43:44,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:43:44,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 14:43:44,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 14:43:44,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:43:44,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:43:44,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:43:44,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:43:44,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:43:44,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:43:44,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:43:44,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:43:44,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:43:44,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:43:44,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:43:44,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:43:44,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:43:44,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:43:44,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:43:44,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 14:43:44,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 14:43:44,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:43:44,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 14:43:44,881 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable692,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:43:44,881 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:43:44,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:43:44,882 INFO L82 PathProgramCache]: Analyzing trace with hash 572742984, now seen corresponding path program 15 times [2021-07-10 14:43:44,882 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:43:44,882 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404819529] [2021-07-10 14:43:44,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:43:44,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:43:45,039 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 15 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:43:45,040 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:43:45,040 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404819529] [2021-07-10 14:43:45,040 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404819529] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:43:45,040 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2007647311] [2021-07-10 14:43:45,040 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 [2021-07-10 14:43:45,081 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-07-10 14:43:45,081 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:43:45,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-10 14:43:45,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:43:45,139 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 15 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:43:45,139 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2007647311] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:43:45,139 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:43:45,139 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 20 [2021-07-10 14:43:45,139 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358535793] [2021-07-10 14:43:45,140 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-10 14:43:45,140 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:43:45,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-10 14:43:45,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=280, Unknown=0, NotChecked=0, Total=420 [2021-07-10 14:43:45,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:43:45,141 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:43:45,141 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.4285714285714286) internal successors, (30), 20 states have internal predecessors, (30), 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) [2021-07-10 14:43:45,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:43:45,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:43:45,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:43:45,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:43:45,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:43:45,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:43:45,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:43:45,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:43:45,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:43:45,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:43:45,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:43:45,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:43:45,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:43:45,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 14:43:45,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 14:43:45,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:43:45,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 14:43:45,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:43:45,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:43:45,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:43:45,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:43:45,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:43:45,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:43:45,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:43:45,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:43:45,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:43:45,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:43:45,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:43:45,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:43:45,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:43:45,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:43:45,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 14:43:45,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 14:43:45,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:43:45,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 14:43:45,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-10 14:43:45,760 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3720,18 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:43:45,761 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:43:45,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:43:45,761 INFO L82 PathProgramCache]: Analyzing trace with hash 975820659, now seen corresponding path program 16 times [2021-07-10 14:43:45,761 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:43:45,761 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672548768] [2021-07-10 14:43:45,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:43:45,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:43:45,960 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 91 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:43:45,960 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:43:45,960 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672548768] [2021-07-10 14:43:45,960 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672548768] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:43:45,960 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1360466015] [2021-07-10 14:43:45,960 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 [2021-07-10 14:43:45,989 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 14:43:45,989 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:43:45,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 21 conjunts are in the unsatisfiable core [2021-07-10 14:43:45,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:43:46,060 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 105 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:43:46,060 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1360466015] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:43:46,060 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:43:46,060 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 22 [2021-07-10 14:43:46,064 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663182025] [2021-07-10 14:43:46,066 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-10 14:43:46,066 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:43:46,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-10 14:43:46,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=347, Unknown=0, NotChecked=0, Total=506 [2021-07-10 14:43:46,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:43:46,067 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:43:46,067 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 1.391304347826087) internal successors, (32), 22 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) [2021-07-10 14:43:46,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:43:46,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:43:46,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:43:46,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:43:46,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:43:46,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:43:46,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:43:46,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:43:46,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:43:46,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:43:46,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:43:46,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:43:46,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:43:46,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 14:43:46,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 14:43:46,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:43:46,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 14:43:46,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-10 14:43:46,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:43:46,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:43:46,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:43:46,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:43:46,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:43:46,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:43:46,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:43:46,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:43:46,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:43:46,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:43:46,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:43:46,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:43:46,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:43:46,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:43:46,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 14:43:46,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 14:43:46,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:43:46,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 14:43:46,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-10 14:43:46,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:43:46,559 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3721 [2021-07-10 14:43:46,559 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:43:46,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:43:46,559 INFO L82 PathProgramCache]: Analyzing trace with hash 186397782, now seen corresponding path program 17 times [2021-07-10 14:43:46,560 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:43:46,560 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984970777] [2021-07-10 14:43:46,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:43:46,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:43:46,739 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:43:46,739 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:43:46,740 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984970777] [2021-07-10 14:43:46,740 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984970777] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:43:46,740 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1801027458] [2021-07-10 14:43:46,740 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 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:43:46,778 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2021-07-10 14:43:46,779 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:43:46,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 47 conjunts are in the unsatisfiable core [2021-07-10 14:43:46,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:43:47,961 WARN L205 SmtUtils]: Spent 696.00 ms on a formula simplification that was a NOOP. DAG size: 451 [2021-07-10 14:43:47,962 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 14:43:47,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 0 disjoint index pairs (out of 105 index pairs), introduced 29 new quantified variables, introduced 105 case distinctions, treesize of input 67 treesize of output 889 [2021-07-10 14:43:49,677 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 253 [2021-07-10 14:43:49,888 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 301 [2021-07-10 14:43:50,128 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 336 [2021-07-10 14:43:51,870 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 298 [2021-07-10 14:43:52,154 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 331 [2021-07-10 14:43:52,676 WARN L205 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 469 [2021-07-10 14:43:53,747 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 292 [2021-07-10 14:43:54,612 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 234 [2021-07-10 14:43:54,907 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 413 DAG size of output: 369 [2021-07-10 14:43:55,233 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 443 DAG size of output: 397 [2021-07-10 14:43:56,960 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 301 [2021-07-10 14:43:57,237 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 410 DAG size of output: 371 [2021-07-10 14:43:57,577 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 401 [2021-07-10 14:43:58,292 WARN L205 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 665 DAG size of output: 573 [2021-07-10 14:43:59,703 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 1029 DAG size of output: 813 [2021-07-10 14:44:01,360 WARN L205 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 1064 DAG size of output: 848 [2021-07-10 14:44:03,060 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 255 [2021-07-10 14:44:03,255 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 312 [2021-07-10 14:44:03,508 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 345 [2021-07-10 14:44:05,370 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 309 [2021-07-10 14:44:05,662 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 393 [2021-07-10 14:44:06,034 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 421 [2021-07-10 14:44:06,737 WARN L205 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 554 [2021-07-10 14:44:08,237 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 297 [2021-07-10 14:44:08,470 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 363 [2021-07-10 14:44:08,763 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 426 DAG size of output: 407 [2021-07-10 14:44:10,266 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 248 [2021-07-10 14:44:10,388 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 278 [2021-07-10 14:44:10,630 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 344 [2021-07-10 14:44:10,934 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 426 DAG size of output: 388 [2021-07-10 14:44:11,612 WARN L205 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 628 DAG size of output: 563 [2021-07-10 14:44:13,205 WARN L205 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 1039 DAG size of output: 880 [2021-07-10 14:44:16,745 WARN L205 SmtUtils]: Spent 3.53 s on a formula simplification. DAG size of input: 1848 DAG size of output: 1480 [2021-07-10 14:44:20,836 WARN L205 SmtUtils]: Spent 4.08 s on a formula simplification. DAG size of input: 1883 DAG size of output: 1513 [2021-07-10 14:44:25,557 WARN L205 SmtUtils]: Spent 4.71 s on a formula simplification. DAG size of input: 1917 DAG size of output: 1547 [2021-07-10 14:44:27,014 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 312 [2021-07-10 14:44:27,226 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 341 [2021-07-10 14:44:28,585 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 266 [2021-07-10 14:44:28,983 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 466 DAG size of output: 421 [2021-07-10 14:44:30,284 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 300 [2021-07-10 14:44:30,477 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 354 DAG size of output: 346 [2021-07-10 14:44:31,710 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 264 [2021-07-10 14:44:31,885 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 310 [2021-07-10 14:44:32,268 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 483 DAG size of output: 444 [2021-07-10 14:44:33,163 WARN L205 SmtUtils]: Spent 892.00 ms on a formula simplification. DAG size of input: 753 DAG size of output: 651 [2021-07-10 14:44:34,391 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 220 [2021-07-10 14:44:34,506 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 256 [2021-07-10 14:44:35,776 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 251 [2021-07-10 14:44:36,032 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 337 [2021-07-10 14:44:37,447 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 291 [2021-07-10 14:44:37,634 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 322 [2021-07-10 14:44:38,985 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 286 [2021-07-10 14:44:39,180 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 315 [2021-07-10 14:44:39,579 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 498 DAG size of output: 439 [2021-07-10 14:44:40,347 WARN L205 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 725 DAG size of output: 571 [2021-07-10 14:44:41,268 WARN L205 SmtUtils]: Spent 916.00 ms on a formula simplification. DAG size of input: 763 DAG size of output: 609 [2021-07-10 14:44:43,171 WARN L205 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 1284 DAG size of output: 971 [2021-07-10 14:44:45,423 WARN L205 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 1320 DAG size of output: 1005 [2021-07-10 14:44:48,066 WARN L205 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 1357 DAG size of output: 1042 [2021-07-10 14:44:56,355 WARN L205 SmtUtils]: Spent 8.28 s on a formula simplification. DAG size of input: 2959 DAG size of output: 2238 [2021-07-10 14:45:05,840 WARN L205 SmtUtils]: Spent 9.47 s on a formula simplification. DAG size of input: 2993 DAG size of output: 2270 [2021-07-10 14:45:16,310 WARN L205 SmtUtils]: Spent 10.45 s on a formula simplification. DAG size of input: 3024 DAG size of output: 2299 [2021-07-10 14:45:28,162 WARN L205 SmtUtils]: Spent 11.84 s on a formula simplification. DAG size of input: 3054 DAG size of output: 2327 [2021-07-10 14:45:39,691 WARN L205 SmtUtils]: Spent 11.51 s on a formula simplification. DAG size of input: 3054 DAG size of output: 2327 [2021-07-10 14:45:53,704 WARN L205 SmtUtils]: Spent 14.00 s on a formula simplification. DAG size of input: 3079 DAG size of output: 2352 [2021-07-10 14:46:07,217 WARN L205 SmtUtils]: Spent 13.50 s on a formula simplification. DAG size of input: 2354 DAG size of output: 2363 [2021-07-10 14:46:44,588 WARN L205 SmtUtils]: Spent 37.35 s on a formula simplification. DAG size of input: 2345 DAG size of output: 3486 [2021-07-10 14:47:03,838 WARN L205 SmtUtils]: Spent 19.23 s on a formula simplification. DAG size of input: 2122 DAG size of output: 3082 [2021-07-10 14:47:25,038 WARN L205 SmtUtils]: Spent 21.17 s on a formula simplification. DAG size of input: 2118 DAG size of output: 3300 [2021-07-10 14:47:43,884 WARN L205 SmtUtils]: Spent 18.83 s on a formula simplification. DAG size of input: 2112 DAG size of output: 2949 [2021-07-10 14:47:44,258 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 2104 [2021-07-10 14:48:16,929 WARN L205 SmtUtils]: Spent 32.66 s on a formula simplification. DAG size of input: 2076 DAG size of output: 2858 [2021-07-10 14:48:34,484 WARN L205 SmtUtils]: Spent 17.54 s on a formula simplification. DAG size of input: 1979 DAG size of output: 2740 [2021-07-10 14:48:50,990 WARN L205 SmtUtils]: Spent 16.49 s on a formula simplification. DAG size of input: 1958 DAG size of output: 2444 [2021-07-10 14:49:07,317 WARN L205 SmtUtils]: Spent 16.31 s on a formula simplification. DAG size of input: 1938 DAG size of output: 2763 [2021-07-10 14:49:14,938 WARN L205 SmtUtils]: Spent 7.61 s on a formula simplification. DAG size of input: 1930 DAG size of output: 1839 [2021-07-10 14:49:15,472 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 1812 [2021-07-10 14:49:16,112 WARN L205 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 1782 DAG size of output: 1782 [2021-07-10 14:49:16,522 WARN L205 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 1268 DAG size of output: 1268 [2021-07-10 14:49:22,154 WARN L205 SmtUtils]: Spent 5.42 s on a formula simplification. DAG size of input: 1237 DAG size of output: 2125 [2021-07-10 14:49:22,530 WARN L205 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 1231 DAG size of output: 1231 [2021-07-10 14:49:26,937 WARN L205 SmtUtils]: Spent 4.37 s on a formula simplification. DAG size of input: 1203 DAG size of output: 2086 [2021-07-10 14:49:31,640 WARN L205 SmtUtils]: Spent 4.69 s on a formula simplification. DAG size of input: 1198 DAG size of output: 1515 [2021-07-10 14:49:36,631 WARN L205 SmtUtils]: Spent 4.98 s on a formula simplification. DAG size of input: 1194 DAG size of output: 1508 [2021-07-10 14:49:36,986 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 1002 DAG size of output: 1002 [2021-07-10 14:49:38,170 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 622 DAG size of output: 710 [2021-07-10 14:49:39,800 WARN L205 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 620 DAG size of output: 971 [2021-07-10 14:49:41,373 WARN L205 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 619 DAG size of output: 814 [2021-07-10 14:49:41,551 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 614 DAG size of output: 614 [2021-07-10 14:49:42,927 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 318 [2021-07-10 14:49:43,727 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 261 [2021-07-10 14:49:44,429 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 281 [2021-07-10 14:49:44,726 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 454 DAG size of output: 374 [2021-07-10 14:49:45,286 WARN L205 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 715 DAG size of output: 519 [2021-07-10 14:49:46,127 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 250 [2021-07-10 14:49:46,270 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 255 [2021-07-10 14:49:47,149 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 424 DAG size of output: 321 [2021-07-10 14:49:48,086 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 226 [2021-07-10 14:49:48,231 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 263 [2021-07-10 14:49:49,041 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 244 [2021-07-10 14:49:49,202 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 282 [2021-07-10 14:49:49,540 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 376 [2021-07-10 14:49:50,234 WARN L205 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 733 DAG size of output: 524 [2021-07-10 14:49:51,638 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 997 DAG size of output: 720 [2021-07-10 14:49:52,306 WARN L205 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 435 [2021-07-10 14:49:53,651 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 408 DAG size of output: 312 [2021-07-10 14:49:55,029 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 258 [2021-07-10 14:49:55,162 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 263 [2021-07-10 14:49:55,408 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 323 [2021-07-10 14:49:55,880 WARN L205 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 541 DAG size of output: 425 [2021-07-10 14:49:56,228 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 303 [2021-07-10 14:49:57,569 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 225 [2021-07-10 14:49:57,780 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 294 [2021-07-10 14:49:58,056 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 332 [2021-07-10 14:49:59,293 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 272 [2021-07-10 14:49:59,513 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 311 [2021-07-10 14:50:00,078 WARN L205 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 464 [2021-07-10 14:50:01,286 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 959 DAG size of output: 697 [2021-07-10 14:50:03,944 WARN L205 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 1720 DAG size of output: 1194 [2021-07-10 14:50:04,113 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 606 DAG size of output: 606 [2021-07-10 14:50:04,539 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 349 [2021-07-10 14:50:05,867 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 365 DAG size of output: 312 [2021-07-10 14:50:06,144 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 316 [2021-07-10 14:50:06,864 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 252 [2021-07-10 14:50:07,531 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 317 [2021-07-10 14:50:07,951 WARN L205 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 470 [2021-07-10 14:50:08,470 WARN L205 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 596 DAG size of output: 477 [2021-07-10 14:50:09,661 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 288 [2021-07-10 14:50:10,479 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 410 DAG size of output: 314 [2021-07-10 14:50:10,742 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 319 [2021-07-10 14:50:11,574 WARN L205 SmtUtils]: Spent 828.00 ms on a formula simplification. DAG size of input: 832 DAG size of output: 587 [2021-07-10 14:50:12,494 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 221 [2021-07-10 14:50:13,172 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 291 [2021-07-10 14:50:13,303 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 267 [2021-07-10 14:50:13,422 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 239 [2021-07-10 14:50:14,165 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 250 [2021-07-10 14:50:14,963 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 333 [2021-07-10 14:50:15,386 WARN L205 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 512 DAG size of output: 436 [2021-07-10 14:50:15,947 WARN L205 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 536 DAG size of output: 460 [2021-07-10 14:50:16,191 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 253 [2021-07-10 14:50:16,855 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 229 [2021-07-10 14:50:17,558 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 248 [2021-07-10 14:50:17,757 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 336 [2021-07-10 14:50:18,029 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 394 DAG size of output: 342 [2021-07-10 14:50:18,982 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 481 DAG size of output: 343 [2021-07-10 14:50:19,369 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 505 DAG size of output: 367 [2021-07-10 14:50:20,402 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 833 DAG size of output: 618 [2021-07-10 14:50:22,593 WARN L205 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 1424 DAG size of output: 997 [2021-07-10 14:50:28,020 WARN L205 SmtUtils]: Spent 5.42 s on a formula simplification. DAG size of input: 2319 DAG size of output: 1544 [2021-07-10 14:50:28,202 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 545 DAG size of output: 545 [2021-07-10 14:50:28,314 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 383 [2021-07-10 14:50:29,510 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 224 [2021-07-10 14:50:31,022 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 228 [2021-07-10 14:50:31,274 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 287 [2021-07-10 14:50:31,641 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 410 DAG size of output: 338 [2021-07-10 14:50:33,987 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 227 [2021-07-10 14:50:34,224 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 266 [2021-07-10 14:50:34,524 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 447 DAG size of output: 347 [2021-07-10 14:50:35,291 WARN L205 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 698 DAG size of output: 504 [2021-07-10 14:50:35,614 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 339 [2021-07-10 14:50:36,839 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 231 [2021-07-10 14:50:37,931 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 235 [2021-07-10 14:50:38,204 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 322 [2021-07-10 14:50:39,017 WARN L205 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 447 [2021-07-10 14:50:40,473 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 228 [2021-07-10 14:50:40,814 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 222 [2021-07-10 14:50:41,072 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 306 [2021-07-10 14:50:41,311 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 230 [2021-07-10 14:50:42,349 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 244 [2021-07-10 14:50:43,219 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 222 [2021-07-10 14:50:43,550 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 436 DAG size of output: 340 [2021-07-10 14:50:44,153 WARN L205 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 672 DAG size of output: 474 [2021-07-10 14:50:45,189 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 786 DAG size of output: 562 [2021-07-10 14:50:47,262 WARN L205 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 1315 DAG size of output: 893 [2021-07-10 14:50:55,983 WARN L205 SmtUtils]: Spent 8.71 s on a formula simplification. DAG size of input: 3402 DAG size of output: 2219 [2021-07-10 14:51:08,675 WARN L205 SmtUtils]: Spent 12.68 s on a formula simplification. DAG size of input: 4261 DAG size of output: 3009 [2021-07-10 14:51:25,897 WARN L205 SmtUtils]: Spent 17.20 s on a formula simplification. DAG size of input: 5206 DAG size of output: 3925 [2021-07-10 14:51:47,809 WARN L205 SmtUtils]: Spent 21.88 s on a formula simplification. DAG size of input: 6147 DAG size of output: 4510 [2021-07-10 14:52:12,631 WARN L205 SmtUtils]: Spent 24.79 s on a formula simplification. DAG size of input: 6182 DAG size of output: 4546 [2021-07-10 14:52:12,999 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 1227 DAG size of output: 1227 [2021-07-10 14:52:13,338 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 1198 DAG size of output: 1198 [2021-07-10 14:52:14,858 WARN L205 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 657 DAG size of output: 806 [2021-07-10 14:52:15,154 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 249 [2021-07-10 14:52:15,985 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 325 [2021-07-10 14:52:16,948 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 386 [2021-07-10 14:52:17,299 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 326 [2021-07-10 14:52:18,416 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 211 [2021-07-10 14:52:19,038 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 285 [2021-07-10 14:52:19,187 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 283 [2021-07-10 14:52:19,554 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 408 [2021-07-10 14:52:20,314 WARN L205 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 685 DAG size of output: 561 [2021-07-10 14:52:20,598 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 250 [2021-07-10 14:52:20,753 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 227 [2021-07-10 14:52:21,582 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 255 [2021-07-10 14:52:21,750 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 224 [2021-07-10 14:52:22,499 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 217 [2021-07-10 14:52:22,652 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 221 [2021-07-10 14:52:23,597 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 287 [2021-07-10 14:52:24,087 WARN L205 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 329 [2021-07-10 14:52:24,634 WARN L205 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 436 DAG size of output: 430 [2021-07-10 14:52:26,053 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 310 [2021-07-10 14:52:26,964 WARN L205 SmtUtils]: Spent 908.00 ms on a formula simplification. DAG size of input: 619 DAG size of output: 546 [2021-07-10 14:52:28,933 WARN L205 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 1092 DAG size of output: 916 [2021-07-10 14:52:32,164 WARN L205 SmtUtils]: Spent 3.22 s on a formula simplification. DAG size of input: 1323 DAG size of output: 1268 [2021-07-10 14:52:34,225 WARN L205 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 714 DAG size of output: 881 [2021-07-10 14:52:35,484 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 291 [2021-07-10 14:52:36,174 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 343 DAG size of output: 328 [2021-07-10 14:52:36,427 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 334 [2021-07-10 14:52:36,878 WARN L205 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 345 [2021-07-10 14:52:37,178 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 324 [2021-07-10 14:52:37,495 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 354 [2021-07-10 14:52:37,807 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 321 [2021-07-10 14:52:39,025 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 257 [2021-07-10 14:52:39,288 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 309 [2021-07-10 14:52:40,245 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 258 [2021-07-10 14:52:40,438 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 264 [2021-07-10 14:52:40,837 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 382 [2021-07-10 14:52:41,156 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 347 [2021-07-10 14:52:41,407 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 314 [2021-07-10 14:52:42,386 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 253 [2021-07-10 14:52:43,184 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 407 DAG size of output: 348 [2021-07-10 14:52:43,474 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 413 DAG size of output: 354 [2021-07-10 14:52:44,269 WARN L205 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 592 DAG size of output: 436 [2021-07-10 14:52:45,578 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 693 DAG size of output: 573 [2021-07-10 14:52:47,148 WARN L205 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 888 DAG size of output: 695 [2021-07-10 14:52:48,291 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 304 [2021-07-10 14:52:49,410 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 394 DAG size of output: 378 [2021-07-10 14:52:49,725 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 410 DAG size of output: 393 [2021-07-10 14:52:50,062 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 364 [2021-07-10 14:52:50,174 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 294 [2021-07-10 14:52:50,490 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 382 [2021-07-10 14:52:50,753 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 301 [2021-07-10 14:52:51,902 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 230 [2021-07-10 14:52:52,086 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 272 [2021-07-10 14:52:52,376 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 345 [2021-07-10 14:52:53,850 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 278 [2021-07-10 14:52:54,258 WARN L205 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 492 DAG size of output: 400 [2021-07-10 14:52:55,793 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 237 [2021-07-10 14:52:55,954 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 242 [2021-07-10 14:52:56,102 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 247 [2021-07-10 14:52:56,294 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 277 [2021-07-10 14:52:56,982 WARN L205 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 568 DAG size of output: 474 [2021-07-10 14:52:57,960 WARN L205 SmtUtils]: Spent 974.00 ms on a formula simplification. DAG size of input: 677 DAG size of output: 599 [2021-07-10 14:52:59,491 WARN L205 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 914 DAG size of output: 805 [2021-07-10 14:53:02,865 WARN L205 SmtUtils]: Spent 3.37 s on a formula simplification. DAG size of input: 1578 DAG size of output: 1173 [2021-07-10 14:53:07,812 WARN L205 SmtUtils]: Spent 4.94 s on a formula simplification. DAG size of input: 1866 DAG size of output: 1552 [2021-07-10 14:53:17,513 WARN L205 SmtUtils]: Spent 9.65 s on a formula simplification. DAG size of input: 2940 DAG size of output: 2588 [2021-07-10 14:53:28,557 WARN L205 SmtUtils]: Spent 11.01 s on a formula simplification. DAG size of input: 2968 DAG size of output: 2618 [2021-07-10 14:54:09,510 WARN L205 SmtUtils]: Spent 40.93 s on a formula simplification. DAG size of input: 8402 DAG size of output: 6273 [2021-07-10 14:54:55,130 WARN L205 SmtUtils]: Spent 45.58 s on a formula simplification. DAG size of input: 8492 DAG size of output: 6351 [2021-07-10 14:54:55,359 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 763 DAG size of output: 763 [2021-07-10 14:54:55,550 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 731 DAG size of output: 731 [2021-07-10 14:54:57,672 WARN L205 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 702 DAG size of output: 1025 [2021-07-10 14:54:59,235 WARN L205 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 698 DAG size of output: 914 [2021-07-10 14:54:59,424 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 692 DAG size of output: 692 [2021-07-10 14:54:59,827 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 325 [2021-07-10 14:55:00,118 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 316 [2021-07-10 14:55:01,839 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 202 [2021-07-10 14:55:02,036 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 206 [2021-07-10 14:55:02,866 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 324 DAG size of output: 237 [2021-07-10 14:55:03,217 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 410 DAG size of output: 344 [2021-07-10 14:55:03,882 WARN L205 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 482 [2021-07-10 14:55:04,339 WARN L205 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 386 [2021-07-10 14:55:04,649 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 329 [2021-07-10 14:55:06,912 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 232 [2021-07-10 14:55:07,130 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 286 [2021-07-10 14:55:07,422 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 362 DAG size of output: 327 [2021-07-10 14:55:09,680 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 360 [2021-07-10 14:55:10,433 WARN L205 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 484 [2021-07-10 14:55:11,533 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 704 DAG size of output: 629 [2021-07-10 14:55:13,556 WARN L205 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 1009 DAG size of output: 898 [2021-07-10 14:55:15,431 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 249 [2021-07-10 14:55:15,695 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 372 DAG size of output: 327 [2021-07-10 14:55:16,754 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 298 [2021-07-10 14:55:17,309 WARN L205 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 468 [2021-07-10 14:55:17,681 WARN L205 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 359 [2021-07-10 14:55:17,931 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 317 [2021-07-10 14:55:18,175 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 316 [2021-07-10 14:55:20,147 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 193 [2021-07-10 14:55:20,631 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 213 [2021-07-10 14:55:20,849 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 290 [2021-07-10 14:55:21,184 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 374 [2021-07-10 14:55:21,496 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 372 [2021-07-10 14:55:22,967 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 365 DAG size of output: 262 [2021-07-10 14:55:24,299 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 471 DAG size of output: 306 [2021-07-10 14:55:24,957 WARN L205 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 629 DAG size of output: 391 [2021-07-10 14:55:25,984 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 750 DAG size of output: 516 [2021-07-10 14:55:27,463 WARN L205 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 870 DAG size of output: 675 [2021-07-10 14:55:29,791 WARN L205 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 1157 DAG size of output: 948 Received shutdown request... [2021-07-10 14:55:35,131 WARN L205 SmtUtils]: Spent 5.33 s on a formula simplification. DAG size of input: 1924 DAG size of output: 1646 Cannot interrupt operation gracefully because timeout expired. Forcing shutdown