/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-NewStatesSleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-2.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 01:18:31,167 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 01:18:31,169 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 01:18:31,199 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-10 01:18:31,253 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-NewStatesSleep-NoLbe.epf [2021-07-10 01:18:31,293 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 01:18:31,293 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 01:18:31,294 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 01:18:31,294 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 01:18:31,296 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 01:18:31,296 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 01:18:31,296 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 01:18:31,296 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 01:18:31,296 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 01:18:31,296 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 01:18:31,297 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 01:18:31,297 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 01:18:31,297 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 01:18:31,297 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 01:18:31,297 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 01:18:31,297 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 01:18:31,298 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 01:18:31,298 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 01:18:31,298 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 01:18:31,298 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 01:18:31,298 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 01:18:31,298 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 01:18:31,298 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 01:18:31,298 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 01:18:31,298 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 01:18:31,298 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 01:18:31,299 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 01:18:31,299 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 01:18:31,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 01:18:31,299 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 01:18:31,299 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 01:18:31,299 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 01:18:31,299 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-07-10 01:18:31,299 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 01:18:31,554 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 01:18:31,566 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 01:18:31,568 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 01:18:31,569 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-10 01:18:31,570 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-10 01:18:31,570 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-2.wvr.bpl [2021-07-10 01:18:31,571 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-2.wvr.bpl' [2021-07-10 01:18:31,586 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 01:18:31,587 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-10 01:18:31,587 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 01:18:31,588 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 01:18:31,588 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 01:18:31,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:18:31" (1/1) ... [2021-07-10 01:18:31,600 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:18:31" (1/1) ... [2021-07-10 01:18:31,604 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 01:18:31,605 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 01:18:31,605 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 01:18:31,605 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 01:18:31,610 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:18:31" (1/1) ... [2021-07-10 01:18:31,610 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:18:31" (1/1) ... [2021-07-10 01:18:31,610 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:18:31" (1/1) ... [2021-07-10 01:18:31,611 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:18:31" (1/1) ... [2021-07-10 01:18:31,612 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:18:31" (1/1) ... [2021-07-10 01:18:31,614 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:18:31" (1/1) ... [2021-07-10 01:18:31,614 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:18:31" (1/1) ... [2021-07-10 01:18:31,615 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 01:18:31,615 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 01:18:31,615 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 01:18:31,615 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 01:18:31,616 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:18:31" (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 01:18:31,666 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-10 01:18:31,666 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 01:18:31,666 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 01:18:31,666 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-10 01:18:31,666 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 01:18:31,666 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 01:18:31,667 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-10 01:18:31,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 01:18:31,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 01:18:31,667 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 01:18:31,888 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 01:18:31,888 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-07-10 01:18:31,888 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-07-10 01:18:31,889 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-07-10 01:18:31,890 INFO L202 PluginConnector]: Adding new model unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 01:18:31 BoogieIcfgContainer [2021-07-10 01:18:31,890 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 01:18:31,891 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 01:18:31,891 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 01:18:31,893 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 01:18:31,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:18:31" (1/2) ... [2021-07-10 01:18:31,894 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e6707aa and model type unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 01:18:31, skipping insertion in model container [2021-07-10 01:18:31,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 01:18:31" (2/2) ... [2021-07-10 01:18:31,894 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-2.wvr.bpl [2021-07-10 01:18:31,898 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 01:18:31,898 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 01:18:31,898 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 01:18:31,898 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 01:18:31,941 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-10 01:18:31,955 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 01:18:32,029 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 01:18:32,029 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 01:18:32,030 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 01:18:32,030 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 01:18:32,030 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 01:18:32,030 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 01:18:32,031 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 01:18:32,031 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 01:18:32,063 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:18:32,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:18:32,069 INFO L82 PathProgramCache]: Analyzing trace with hash -836581838, now seen corresponding path program 1 times [2021-07-10 01:18:32,075 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:18:32,076 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516627068] [2021-07-10 01:18:32,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:18:32,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:18:32,185 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 01:18:32,186 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:18:32,186 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516627068] [2021-07-10 01:18:32,187 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516627068] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 01:18:32,188 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 01:18:32,188 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-10 01:18:32,188 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457911946] [2021-07-10 01:18:32,191 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-10 01:18:32,191 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:18:32,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-10 01:18:32,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-10 01:18:32,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:18:32,203 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:18:32,211 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 01:18:32,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:18:32,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 01:18:32,226 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 01:18:32,226 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:18:32,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:18:32,227 INFO L82 PathProgramCache]: Analyzing trace with hash -1085923484, now seen corresponding path program 1 times [2021-07-10 01:18:32,227 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:18:32,227 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4341643] [2021-07-10 01:18:32,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:18:32,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:18:32,267 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 01:18:32,268 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:18:32,268 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4341643] [2021-07-10 01:18:32,268 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4341643] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:18:32,268 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1625533750] [2021-07-10 01:18:32,268 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 01:18:32,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:18:32,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjunts are in the unsatisfiable core [2021-07-10 01:18:32,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:18:32,345 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 01:18:32,346 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1625533750] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:18:32,346 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:18:32,346 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-07-10 01:18:32,347 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487159088] [2021-07-10 01:18:32,347 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-10 01:18:32,347 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:18:32,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-10 01:18:32,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-07-10 01:18:32,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:18:32,348 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:18:32,348 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 01:18:32,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 01:18:32,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:18:32,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 01:18:32,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:18:32,592 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:18:32,592 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:18:32,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:18:32,593 INFO L82 PathProgramCache]: Analyzing trace with hash 719182065, now seen corresponding path program 1 times [2021-07-10 01:18:32,593 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:18:32,593 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383150030] [2021-07-10 01:18:32,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:18:32,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:18:32,635 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 01:18:32,635 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:18:32,635 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383150030] [2021-07-10 01:18:32,635 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383150030] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:18:32,635 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1908058558] [2021-07-10 01:18:32,635 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 01:18:32,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:18:32,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-10 01:18:32,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:18:32,747 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 01:18:32,747 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1908058558] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:18:32,747 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:18:32,748 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-07-10 01:18:32,748 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792111779] [2021-07-10 01:18:32,748 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-10 01:18:32,748 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:18:32,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-10 01:18:32,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-10 01:18:32,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:18:32,749 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:18:32,749 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 01:18:32,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 01:18:32,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:18:32,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:18:32,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 01:18:32,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:18:32,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:18:32,987 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:18:32,990 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:18:32,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:18:32,990 INFO L82 PathProgramCache]: Analyzing trace with hash 1620028835, now seen corresponding path program 2 times [2021-07-10 01:18:32,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:18:32,991 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538068876] [2021-07-10 01:18:32,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:18:32,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:18:33,014 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:18:33,014 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:18:33,015 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538068876] [2021-07-10 01:18:33,015 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538068876] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:18:33,015 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [426037388] [2021-07-10 01:18:33,015 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 01:18:33,038 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 01:18:33,038 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:18:33,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-10 01:18:33,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:18:33,134 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:18:33,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 18 [2021-07-10 01:18:33,143 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:18:33,144 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:18:33,144 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 01:18:33,145 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:3 [2021-07-10 01:18:33,151 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:18:33,151 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [426037388] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:18:33,151 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:18:33,151 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 7 [2021-07-10 01:18:33,152 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191875741] [2021-07-10 01:18:33,152 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-10 01:18:33,152 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:18:33,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-10 01:18:33,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-07-10 01:18:33,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:18:33,153 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:18:33,153 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.375) internal successors, (19), 7 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 01:18:33,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 01:18:33,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:18:33,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:18:33,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:18:33,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 01:18:33,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:18:33,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:18:33,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:18:33,391 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:18:33,391 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:18:33,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:18:33,391 INFO L82 PathProgramCache]: Analyzing trace with hash -518492367, now seen corresponding path program 3 times [2021-07-10 01:18:33,392 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:18:33,392 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512483575] [2021-07-10 01:18:33,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:18:33,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:18:33,429 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:18:33,429 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:18:33,429 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512483575] [2021-07-10 01:18:33,429 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512483575] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:18:33,429 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1460019247] [2021-07-10 01:18:33,429 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 01:18:33,484 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-10 01:18:33,484 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:18:33,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-10 01:18:33,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:18:33,524 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:18:33,525 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1460019247] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:18:33,525 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:18:33,525 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-07-10 01:18:33,525 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325954815] [2021-07-10 01:18:33,525 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-10 01:18:33,525 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:18:33,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-10 01:18:33,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-07-10 01:18:33,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:18:33,526 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:18:33,526 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.125) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:18:33,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 01:18:33,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:18:33,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:18:33,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:18:33,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:18:33,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 01:18:33,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:18:33,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:18:33,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:18:33,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:18:33,804 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:18:33,804 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:18:33,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:18:33,805 INFO L82 PathProgramCache]: Analyzing trace with hash 1129677508, now seen corresponding path program 4 times [2021-07-10 01:18:33,805 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:18:33,805 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417602201] [2021-07-10 01:18:33,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:18:33,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:18:33,847 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-10 01:18:33,847 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:18:33,847 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417602201] [2021-07-10 01:18:33,847 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417602201] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:18:33,847 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1358253860] [2021-07-10 01:18:33,848 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 01:18:33,908 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 01:18:33,908 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:18:33,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-10 01:18:33,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:18:33,947 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-10 01:18:33,947 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1358253860] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:18:33,947 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:18:33,947 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-07-10 01:18:33,948 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837723538] [2021-07-10 01:18:33,948 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-10 01:18:33,948 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:18:33,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-10 01:18:33,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-07-10 01:18:33,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:18:33,948 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:18:33,949 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 8 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:18:33,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 01:18:33,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:18:33,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:18:33,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:18:33,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:18:33,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:18:34,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 01:18:34,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:18:34,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:18:34,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:18:34,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:18:34,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:18:34,224 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:18:34,224 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:18:34,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:18:34,225 INFO L82 PathProgramCache]: Analyzing trace with hash 322539282, now seen corresponding path program 5 times [2021-07-10 01:18:34,225 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:18:34,225 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742827073] [2021-07-10 01:18:34,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:18:34,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:18:34,295 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:18:34,296 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:18:34,296 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742827073] [2021-07-10 01:18:34,296 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742827073] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:18:34,296 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1333727064] [2021-07-10 01:18:34,296 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 01:18:34,341 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-10 01:18:34,341 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:18:34,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-10 01:18:34,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:18:34,449 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 01:18:34,450 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1333727064] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:18:34,450 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:18:34,450 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 14 [2021-07-10 01:18:34,450 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838818322] [2021-07-10 01:18:34,451 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-10 01:18:34,451 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:18:34,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-10 01:18:34,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2021-07-10 01:18:34,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:18:34,456 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:18:34,456 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.8) internal successors, (27), 14 states have internal predecessors, (27), 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 01:18:34,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 01:18:34,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:18:34,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:18:34,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:18:34,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:18:34,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:18:34,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:18:34,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 01:18:34,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:18:34,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:18:34,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:18:34,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:18:34,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:18:34,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 01:18:34,794 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:18:34,794 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:18:34,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:18:34,795 INFO L82 PathProgramCache]: Analyzing trace with hash 1431854851, now seen corresponding path program 6 times [2021-07-10 01:18:34,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:18:34,795 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457935645] [2021-07-10 01:18:34,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:18:34,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:18:34,843 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:18:34,843 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:18:34,843 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457935645] [2021-07-10 01:18:34,843 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457935645] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:18:34,843 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [744199550] [2021-07-10 01:18:34,843 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 01:18:34,869 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-10 01:18:34,869 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:18:34,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 25 conjunts are in the unsatisfiable core [2021-07-10 01:18:34,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:18:35,038 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:18:35,038 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 01:18:35,279 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:18:35,280 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:18:35,281 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 01:18:35,281 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:3 [2021-07-10 01:18:35,287 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:18:35,288 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [744199550] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:18:35,288 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:18:35,288 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11] total 17 [2021-07-10 01:18:35,288 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146753217] [2021-07-10 01:18:35,288 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-10 01:18:35,288 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:18:35,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-10 01:18:35,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2021-07-10 01:18:35,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:18:35,289 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:18:35,290 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.7222222222222223) internal successors, (31), 17 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:18:35,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 01:18:35,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:18:35,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:18:35,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:18:35,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:18:35,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:18:35,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 01:18:35,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:18:35,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 01:18:35,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:18:35,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:18:35,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:18:35,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:18:35,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:18:35,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 01:18:35,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:18:35,596 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-07-10 01:18:35,596 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:18:35,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:18:35,597 INFO L82 PathProgramCache]: Analyzing trace with hash 977354257, now seen corresponding path program 7 times [2021-07-10 01:18:35,597 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:18:35,597 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208819802] [2021-07-10 01:18:35,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:18:35,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:18:35,672 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 15 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:18:35,673 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:18:35,673 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208819802] [2021-07-10 01:18:35,673 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208819802] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:18:35,673 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [939509893] [2021-07-10 01:18:35,673 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 01:18:35,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:18:35,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 12 conjunts are in the unsatisfiable core [2021-07-10 01:18:35,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:18:35,769 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 21 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:18:35,769 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [939509893] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:18:35,769 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:18:35,769 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 13 [2021-07-10 01:18:35,769 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438274438] [2021-07-10 01:18:35,770 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-10 01:18:35,770 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:18:35,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-10 01:18:35,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2021-07-10 01:18:35,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:18:35,770 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:18:35,771 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:18:35,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 01:18:35,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:18:35,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:18:35,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:18:35,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:18:35,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:18:35,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 01:18:35,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:18:35,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:18:35,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 01:18:35,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:18:35,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:18:35,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:18:35,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:18:35,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:18:35,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 01:18:35,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:18:35,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:18:36,118 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:18:36,118 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:18:36,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:18:36,118 INFO L82 PathProgramCache]: Analyzing trace with hash 256282596, now seen corresponding path program 8 times [2021-07-10 01:18:36,119 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:18:36,119 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705711044] [2021-07-10 01:18:36,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:18:36,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:18:36,167 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-07-10 01:18:36,167 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:18:36,167 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705711044] [2021-07-10 01:18:36,167 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705711044] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:18:36,168 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1834447023] [2021-07-10 01:18:36,168 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 01:18:36,194 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 01:18:36,194 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:18:36,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-10 01:18:36,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:18:36,261 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-07-10 01:18:36,261 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1834447023] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:18:36,261 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:18:36,262 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9] total 13 [2021-07-10 01:18:36,262 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856575223] [2021-07-10 01:18:36,262 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-10 01:18:36,262 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:18:36,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-10 01:18:36,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2021-07-10 01:18:36,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:18:36,263 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:18:36,263 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:18:36,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 01:18:36,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:18:36,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:18:36,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:18:36,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:18:36,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:18:36,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 01:18:36,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:18:36,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:18:36,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:18:36,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 01:18:36,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:18:36,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:18:36,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:18:36,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:18:36,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:18:36,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 01:18:36,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:18:36,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:18:36,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 01:18:36,594 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2021-07-10 01:18:36,595 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:18:36,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:18:36,595 INFO L82 PathProgramCache]: Analyzing trace with hash 1567875954, now seen corresponding path program 9 times [2021-07-10 01:18:36,595 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:18:36,595 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277394182] [2021-07-10 01:18:36,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:18:36,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:18:36,657 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:18:36,658 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:18:36,658 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277394182] [2021-07-10 01:18:36,658 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277394182] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:18:36,658 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1195985996] [2021-07-10 01:18:36,658 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 01:18:36,704 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-10 01:18:36,705 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:18:36,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 31 conjunts are in the unsatisfiable core [2021-07-10 01:18:36,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:18:37,077 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-07-10 01:18:37,077 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:18:37,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 15 new quantified variables, introduced 28 case distinctions, treesize of input 39 treesize of output 252 [2021-07-10 01:18:38,374 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:18:38,375 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:18:38,375 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 01:18:38,376 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:3 [2021-07-10 01:18:38,381 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:18:38,381 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1195985996] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:18:38,381 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:18:38,381 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 14] total 22 [2021-07-10 01:18:38,381 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598548436] [2021-07-10 01:18:38,381 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-10 01:18:38,381 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:18:38,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-10 01:18:38,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2021-07-10 01:18:38,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:18:38,382 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:18:38,382 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 1.608695652173913) internal successors, (37), 22 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:18:38,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 01:18:38,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:18:38,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:18:38,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:18:38,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:18:38,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:18:38,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 01:18:38,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:18:38,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:18:38,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 01:18:38,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:18:38,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 01:18:38,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:18:38,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:18:38,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:18:38,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:18:38,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:18:38,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 01:18:38,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:18:38,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:18:38,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 01:18:38,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:18:38,693 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2021-07-10 01:18:38,693 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:18:38,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:18:38,694 INFO L82 PathProgramCache]: Analyzing trace with hash 1293396402, now seen corresponding path program 10 times [2021-07-10 01:18:38,694 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:18:38,694 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531820006] [2021-07-10 01:18:38,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:18:38,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:18:38,823 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 36 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:18:38,823 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:18:38,823 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531820006] [2021-07-10 01:18:38,823 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531820006] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:18:38,823 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1668726203] [2021-07-10 01:18:38,823 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 01:18:38,864 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 01:18:38,864 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:18:38,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjunts are in the unsatisfiable core [2021-07-10 01:18:38,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:18:38,921 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 45 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:18:38,921 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1668726203] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:18:38,921 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:18:38,921 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 17 [2021-07-10 01:18:38,921 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541702404] [2021-07-10 01:18:38,921 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-10 01:18:38,922 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:18:38,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-10 01:18:38,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2021-07-10 01:18:38,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:18:38,922 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:18:38,922 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.5) internal successors, (27), 17 states have internal predecessors, (27), 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 01:18:38,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 01:18:38,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:18:38,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:18:38,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:18:38,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:18:38,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:18:38,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 01:18:38,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:18:38,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:18:38,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 01:18:38,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:18:38,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:18:39,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 01:18:39,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:18:39,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:18:39,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:18:39,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:18:39,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:18:39,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 01:18:39,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:18:39,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:18:39,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 01:18:39,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:18:39,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:18:39,358 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable200 [2021-07-10 01:18:39,358 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:18:39,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:18:39,359 INFO L82 PathProgramCache]: Analyzing trace with hash 1463654499, now seen corresponding path program 11 times [2021-07-10 01:18:39,359 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:18:39,359 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602005093] [2021-07-10 01:18:39,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:18:39,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:18:39,446 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:18:39,446 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:18:39,446 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602005093] [2021-07-10 01:18:39,447 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602005093] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:18:39,447 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1897330582] [2021-07-10 01:18:39,447 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 01:18:39,477 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-10 01:18:39,477 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:18:39,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 37 conjunts are in the unsatisfiable core [2021-07-10 01:18:39,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:18:39,935 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2021-07-10 01:18:39,935 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:18:39,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 19 new quantified variables, introduced 45 case distinctions, treesize of input 47 treesize of output 394 [2021-07-10 01:18:40,837 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 236 [2021-07-10 01:18:40,955 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 236 [2021-07-10 01:18:41,127 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 324 DAG size of output: 252 [2021-07-10 01:18:41,390 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 258 [2021-07-10 01:18:41,502 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 206 [2021-07-10 01:18:42,203 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 199 [2021-07-10 01:18:42,823 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 213 [2021-07-10 01:18:43,010 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 287 [2021-07-10 01:18:43,900 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 480 DAG size of output: 370 [2021-07-10 01:18:44,315 WARN L205 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 542 DAG size of output: 395 [2021-07-10 01:18:44,846 WARN L205 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 600 DAG size of output: 442 [2021-07-10 01:18:44,988 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 234 [2021-07-10 01:18:46,882 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 270 [2021-07-10 01:18:47,178 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 533 DAG size of output: 379 [2021-07-10 01:18:47,553 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 419 [2021-07-10 01:18:48,025 WARN L205 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 667 DAG size of output: 486 [2021-07-10 01:18:49,154 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 1125 DAG size of output: 757 [2021-07-10 01:18:50,470 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 1132 DAG size of output: 747 [2021-07-10 01:18:51,766 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 1132 DAG size of output: 747 [2021-07-10 01:18:53,232 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 1143 DAG size of output: 758 [2021-07-10 01:18:54,840 WARN L205 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 756 DAG size of output: 858 [2021-07-10 01:18:55,342 WARN L205 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 433 DAG size of output: 459 [2021-07-10 01:18:55,524 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 212 [2021-07-10 01:18:55,903 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 185 [2021-07-10 01:18:56,207 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 183 [2021-07-10 01:18:56,348 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 205 [2021-07-10 01:18:57,126 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 239 [2021-07-10 01:18:57,291 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 271 [2021-07-10 01:18:57,553 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 358 [2021-07-10 01:18:58,348 WARN L205 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 617 DAG size of output: 686 [2021-07-10 01:18:58,952 WARN L205 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 454 DAG size of output: 491 [2021-07-10 01:18:59,405 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 302 [2021-07-10 01:18:59,758 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 231 [2021-07-10 01:18:59,953 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 459 DAG size of output: 334 [2021-07-10 01:19:00,293 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 378 [2021-07-10 01:19:00,828 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 236 [2021-07-10 01:19:00,984 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 300 [2021-07-10 01:19:01,294 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 704 DAG size of output: 431 [2021-07-10 01:19:01,666 WARN L205 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 711 DAG size of output: 437 [2021-07-10 01:19:02,307 WARN L205 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 1016 DAG size of output: 596 [2021-07-10 01:19:02,958 WARN L205 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 1016 DAG size of output: 596 [2021-07-10 01:19:03,704 WARN L205 SmtUtils]: Spent 738.00 ms on a formula simplification. DAG size of input: 1022 DAG size of output: 554 [2021-07-10 01:19:04,029 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 355 DAG size of output: 433 [2021-07-10 01:19:04,515 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 209 [2021-07-10 01:19:04,906 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 239 [2021-07-10 01:19:05,359 WARN L205 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 447 [2021-07-10 01:19:05,590 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 279 [2021-07-10 01:19:05,835 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 303 [2021-07-10 01:19:06,120 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 368 [2021-07-10 01:19:06,551 WARN L205 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 697 DAG size of output: 436 [2021-07-10 01:19:06,992 WARN L205 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 697 DAG size of output: 436 [2021-07-10 01:19:07,441 WARN L205 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 700 DAG size of output: 439 [2021-07-10 01:19:07,712 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 335 [2021-07-10 01:19:08,309 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:19:08,311 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:19:08,311 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 01:19:08,311 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:3 [2021-07-10 01:19:08,316 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:19:08,316 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1897330582] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:19:08,316 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:19:08,316 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 17] total 27 [2021-07-10 01:19:08,316 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329875733] [2021-07-10 01:19:08,316 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-07-10 01:19:08,316 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:19:08,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-07-10 01:19:08,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2021-07-10 01:19:08,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:19:08,317 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:19:08,317 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 1.5357142857142858) internal successors, (43), 27 states have internal predecessors, (43), 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 01:19:08,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 01:19:08,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:19:08,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:19:08,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:19:08,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:19:08,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:19:08,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 01:19:08,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:19:08,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:19:08,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 01:19:08,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:19:08,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:19:08,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:19:08,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 01:19:08,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:19:08,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:19:08,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:19:08,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:19:08,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:19:08,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 01:19:08,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:19:08,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:19:08,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 01:19:08,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:19:08,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:19:08,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:19:08,705 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable201 [2021-07-10 01:19:08,705 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:19:08,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:19:08,706 INFO L82 PathProgramCache]: Analyzing trace with hash 2061052451, now seen corresponding path program 12 times [2021-07-10 01:19:08,706 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:19:08,706 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383240055] [2021-07-10 01:19:08,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:19:08,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:19:08,862 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 55 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:19:08,862 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:19:08,862 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383240055] [2021-07-10 01:19:08,862 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383240055] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:19:08,862 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [793262939] [2021-07-10 01:19:08,863 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 01:19:08,902 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-07-10 01:19:08,902 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:19:08,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-10 01:19:08,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:19:08,956 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 66 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:19:08,956 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [793262939] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:19:08,957 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:19:08,957 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 20 [2021-07-10 01:19:08,957 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664621833] [2021-07-10 01:19:08,957 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-10 01:19:08,957 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:19:08,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-10 01:19:08,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2021-07-10 01:19:08,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:19:08,958 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:19:08,958 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 01:19:08,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 01:19:08,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:19:08,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:19:08,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:19:08,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:19:08,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:19:08,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 01:19:08,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:19:08,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:19:08,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 01:19:08,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:19:08,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:19:08,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:19:08,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:19:09,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 01:19:09,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:19:09,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:19:09,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:19:09,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:19:09,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:19:09,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 01:19:09,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:19:09,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:19:09,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 01:19:09,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:19:09,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:19:09,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:19:09,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:19:09,406 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1342,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:19:09,406 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:19:09,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:19:09,407 INFO L82 PathProgramCache]: Analyzing trace with hash -508811758, now seen corresponding path program 13 times [2021-07-10 01:19:09,407 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:19:09,407 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529761606] [2021-07-10 01:19:09,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:19:09,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:19:09,520 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:19:09,520 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:19:09,521 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529761606] [2021-07-10 01:19:09,521 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529761606] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:19:09,521 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [741738324] [2021-07-10 01:19:09,521 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 01:19:09,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:19:09,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 43 conjunts are in the unsatisfiable core [2021-07-10 01:19:09,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:19:10,277 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2021-07-10 01:19:10,277 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:19:10,278 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 01:19:11,189 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 276 [2021-07-10 01:19:11,370 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 280 [2021-07-10 01:19:12,178 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 269 [2021-07-10 01:19:12,311 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 273 [2021-07-10 01:19:12,642 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 457 DAG size of output: 411 [2021-07-10 01:19:13,042 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 483 DAG size of output: 438 [2021-07-10 01:19:13,792 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 250 [2021-07-10 01:19:13,914 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 252 [2021-07-10 01:19:14,587 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 240 [2021-07-10 01:19:14,722 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 242 [2021-07-10 01:19:14,993 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 374 [2021-07-10 01:19:15,333 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 447 DAG size of output: 402 [2021-07-10 01:19:16,192 WARN L205 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 770 DAG size of output: 685 [2021-07-10 01:19:17,141 WARN L205 SmtUtils]: Spent 945.00 ms on a formula simplification. DAG size of input: 812 DAG size of output: 726 [2021-07-10 01:19:18,249 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 833 DAG size of output: 734 [2021-07-10 01:19:19,541 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 841 DAG size of output: 738 [2021-07-10 01:19:20,843 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 841 DAG size of output: 738 [2021-07-10 01:19:22,408 WARN L205 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 861 DAG size of output: 758 [2021-07-10 01:19:24,345 WARN L205 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 760 DAG size of output: 812 [2021-07-10 01:19:25,238 WARN L205 SmtUtils]: Spent 886.00 ms on a formula simplification. DAG size of input: 464 DAG size of output: 563 [2021-07-10 01:19:25,850 WARN L205 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 458 DAG size of output: 646 [2021-07-10 01:19:26,692 WARN L205 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 455 DAG size of output: 545 [2021-07-10 01:19:27,356 WARN L205 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 536 [2021-07-10 01:19:27,713 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 313 [2021-07-10 01:19:27,825 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 254 [2021-07-10 01:19:28,581 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 303 [2021-07-10 01:19:29,402 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 314 [2021-07-10 01:19:29,818 WARN L205 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 500 [2021-07-10 01:19:30,341 WARN L205 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 754 DAG size of output: 569 [2021-07-10 01:19:30,555 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 252 [2021-07-10 01:19:31,278 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 212 [2021-07-10 01:19:31,540 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 273 [2021-07-10 01:19:31,789 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 288 [2021-07-10 01:19:32,556 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 195 [2021-07-10 01:19:32,874 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 394 DAG size of output: 259 [2021-07-10 01:19:33,408 WARN L205 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 597 DAG size of output: 416 [2021-07-10 01:19:34,027 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 186 [2021-07-10 01:19:34,264 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 247 [2021-07-10 01:19:34,456 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 262 [2021-07-10 01:19:34,601 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 250 [2021-07-10 01:19:35,253 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 191 [2021-07-10 01:19:35,422 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 252 [2021-07-10 01:19:35,643 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 253 [2021-07-10 01:19:35,911 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 408 DAG size of output: 268 [2021-07-10 01:19:36,450 WARN L205 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 397 [2021-07-10 01:19:37,597 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 975 DAG size of output: 585 [2021-07-10 01:19:39,396 WARN L205 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 1575 DAG size of output: 971 [2021-07-10 01:19:40,357 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 521 DAG size of output: 336 [2021-07-10 01:19:40,750 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 355 [2021-07-10 01:19:41,007 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 339 [2021-07-10 01:19:42,097 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 308 [2021-07-10 01:19:42,240 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 322 [2021-07-10 01:19:42,825 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 597 DAG size of output: 379 [2021-07-10 01:19:43,129 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 627 DAG size of output: 401 [2021-07-10 01:19:43,510 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 639 DAG size of output: 412 [2021-07-10 01:19:44,345 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 371 DAG size of output: 290 [2021-07-10 01:19:44,549 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 410 DAG size of output: 324 [2021-07-10 01:19:44,768 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 334 [2021-07-10 01:19:45,423 WARN L205 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 866 DAG size of output: 570 [2021-07-10 01:19:46,768 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 362 DAG size of output: 282 [2021-07-10 01:19:47,024 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 522 DAG size of output: 386 [2021-07-10 01:19:47,440 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 584 DAG size of output: 444 [2021-07-10 01:19:48,511 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 1125 DAG size of output: 748 [2021-07-10 01:19:49,995 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 1273 DAG size of output: 863 [2021-07-10 01:19:50,278 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 273 [2021-07-10 01:19:51,246 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 281 [2021-07-10 01:19:51,433 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 466 DAG size of output: 313 [2021-07-10 01:19:52,063 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 271 [2021-07-10 01:19:52,225 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 281 [2021-07-10 01:19:52,701 WARN L205 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 609 DAG size of output: 428 [2021-07-10 01:19:53,915 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 413 DAG size of output: 324 [2021-07-10 01:19:54,168 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 374 [2021-07-10 01:19:54,767 WARN L205 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 756 DAG size of output: 529 [2021-07-10 01:19:56,998 WARN L205 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 1662 DAG size of output: 1121 [2021-07-10 01:19:57,303 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 336 [2021-07-10 01:19:57,525 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 278 [2021-07-10 01:19:58,266 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 208 [2021-07-10 01:19:58,420 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 220 [2021-07-10 01:19:59,202 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 191 [2021-07-10 01:19:59,338 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 215 [2021-07-10 01:19:59,508 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 236 [2021-07-10 01:19:59,897 WARN L205 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 431 DAG size of output: 345 [2021-07-10 01:20:00,039 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 242 [2021-07-10 01:20:00,672 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 198 [2021-07-10 01:20:01,408 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 207 [2021-07-10 01:20:01,718 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 303 [2021-07-10 01:20:02,101 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 323 [2021-07-10 01:20:02,767 WARN L205 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 666 DAG size of output: 465 [2021-07-10 01:20:02,904 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 307 [2021-07-10 01:20:03,671 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2021-07-10 01:20:03,803 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 206 [2021-07-10 01:20:04,607 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 285 [2021-07-10 01:20:05,678 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 255 [2021-07-10 01:20:05,878 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 279 [2021-07-10 01:20:06,406 WARN L205 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 424 [2021-07-10 01:20:07,211 WARN L205 SmtUtils]: Spent 801.00 ms on a formula simplification. DAG size of input: 642 DAG size of output: 511 [2021-07-10 01:20:08,734 WARN L205 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 1161 DAG size of output: 818 [2021-07-10 01:20:13,132 WARN L205 SmtUtils]: Spent 4.39 s on a formula simplification. DAG size of input: 2529 DAG size of output: 1673 [2021-07-10 01:20:18,539 WARN L205 SmtUtils]: Spent 5.40 s on a formula simplification. DAG size of input: 2885 DAG size of output: 1923 [2021-07-10 01:20:26,493 WARN L205 SmtUtils]: Spent 7.92 s on a formula simplification. DAG size of input: 4260 DAG size of output: 2683 [2021-07-10 01:20:35,601 WARN L205 SmtUtils]: Spent 9.09 s on a formula simplification. DAG size of input: 4417 DAG size of output: 2844 [2021-07-10 01:20:46,044 WARN L205 SmtUtils]: Spent 10.42 s on a formula simplification. DAG size of input: 4663 DAG size of output: 2936 [2021-07-10 01:20:46,763 WARN L205 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 626 [2021-07-10 01:20:47,693 WARN L205 SmtUtils]: Spent 924.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 525 [2021-07-10 01:20:48,431 WARN L205 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 490 [2021-07-10 01:20:49,160 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 304 [2021-07-10 01:20:50,103 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 472 DAG size of output: 464 [2021-07-10 01:20:50,317 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 479 DAG size of output: 470 [2021-07-10 01:20:50,835 WARN L205 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 813 DAG size of output: 655 [2021-07-10 01:20:51,098 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 221 [2021-07-10 01:20:52,315 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 181 [2021-07-10 01:20:52,884 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 179 [2021-07-10 01:20:53,140 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 241 [2021-07-10 01:20:53,453 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 394 DAG size of output: 244 [2021-07-10 01:20:53,904 WARN L205 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 617 DAG size of output: 287 [2021-07-10 01:20:54,918 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 1238 DAG size of output: 681 [2021-07-10 01:20:55,967 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 428 DAG size of output: 584 [2021-07-10 01:20:56,923 WARN L205 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 499 [2021-07-10 01:20:57,109 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 324 [2021-07-10 01:20:57,268 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 322 [2021-07-10 01:20:58,000 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 189 [2021-07-10 01:20:58,116 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 201 [2021-07-10 01:20:58,896 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 286 [2021-07-10 01:20:59,846 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 214 [2021-07-10 01:21:00,012 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 256 [2021-07-10 01:21:00,808 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 401 DAG size of output: 347 [2021-07-10 01:21:01,470 WARN L205 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 524 [2021-07-10 01:21:02,179 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 193 [2021-07-10 01:21:02,868 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 266 [2021-07-10 01:21:04,760 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 188 [2021-07-10 01:21:04,882 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 191 [2021-07-10 01:21:05,096 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 377 DAG size of output: 262 [2021-07-10 01:21:05,475 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 470 DAG size of output: 355 [2021-07-10 01:21:05,945 WARN L205 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 397 [2021-07-10 01:21:06,718 WARN L205 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 695 DAG size of output: 559 [2021-07-10 01:21:08,302 WARN L205 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 977 DAG size of output: 792 [2021-07-10 01:21:09,918 WARN L205 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 1064 DAG size of output: 842 [2021-07-10 01:21:11,886 WARN L205 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 1243 DAG size of output: 920 [2021-07-10 01:21:14,319 WARN L205 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 1442 DAG size of output: 1089 [2021-07-10 01:21:14,933 WARN L205 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 457 [2021-07-10 01:21:15,232 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 383 [2021-07-10 01:21:15,604 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 429 [2021-07-10 01:21:16,299 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 221 [2021-07-10 01:21:16,406 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 239 [2021-07-10 01:21:16,538 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 249 [2021-07-10 01:21:17,536 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 344 [2021-07-10 01:21:17,948 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 395 [2021-07-10 01:21:19,099 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 189 [2021-07-10 01:21:19,219 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 202 [2021-07-10 01:21:19,461 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 332 [2021-07-10 01:21:19,821 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 413 DAG size of output: 381 [2021-07-10 01:21:20,199 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 401 [2021-07-10 01:21:20,998 WARN L205 SmtUtils]: Spent 795.00 ms on a formula simplification. DAG size of input: 692 DAG size of output: 593 [2021-07-10 01:21:21,430 WARN L205 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 444 [2021-07-10 01:21:22,336 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 210 [2021-07-10 01:21:22,478 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 233 [2021-07-10 01:21:22,656 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 245 [2021-07-10 01:21:23,374 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 345 [2021-07-10 01:21:23,803 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 429 DAG size of output: 398 [2021-07-10 01:21:24,481 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 195 [2021-07-10 01:21:24,611 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 217 [2021-07-10 01:21:25,295 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 245 [2021-07-10 01:21:25,602 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 344 [2021-07-10 01:21:26,035 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 397 [2021-07-10 01:21:26,873 WARN L205 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 676 DAG size of output: 601 [2021-07-10 01:21:28,319 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 1077 DAG size of output: 809 [2021-07-10 01:21:30,031 WARN L205 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 1165 DAG size of output: 847 [2021-07-10 01:21:34,666 WARN L205 SmtUtils]: Spent 4.63 s on a formula simplification. DAG size of input: 2290 DAG size of output: 1526 [2021-07-10 01:21:41,127 WARN L205 SmtUtils]: Spent 6.44 s on a formula simplification. DAG size of input: 3340 DAG size of output: 2063 [2021-07-10 01:21:48,536 WARN L205 SmtUtils]: Spent 7.39 s on a formula simplification. DAG size of input: 3491 DAG size of output: 2236 [2021-07-10 01:21:57,418 WARN L205 SmtUtils]: Spent 8.87 s on a formula simplification. DAG size of input: 3713 DAG size of output: 2317 [2021-07-10 01:22:16,628 WARN L205 SmtUtils]: Spent 19.19 s on a formula simplification. DAG size of input: 7370 DAG size of output: 4532 [2021-07-10 01:22:40,176 WARN L205 SmtUtils]: Spent 23.52 s on a formula simplification. DAG size of input: 7654 DAG size of output: 4652 [2021-07-10 01:23:03,632 WARN L205 SmtUtils]: Spent 23.42 s on a formula simplification. DAG size of input: 7654 DAG size of output: 4652 [2021-07-10 01:23:30,405 WARN L205 SmtUtils]: Spent 26.75 s on a formula simplification. DAG size of input: 7669 DAG size of output: 4667 [2021-07-10 01:23:31,215 WARN L205 SmtUtils]: Spent 795.00 ms on a formula simplification that was a NOOP. DAG size: 4661 [2021-07-10 01:24:00,804 WARN L205 SmtUtils]: Spent 29.56 s on a formula simplification. DAG size of input: 4663 DAG size of output: 6220 [2021-07-10 01:24:11,455 WARN L205 SmtUtils]: Spent 10.61 s on a formula simplification. DAG size of input: 4573 DAG size of output: 4534 [2021-07-10 01:24:35,641 WARN L205 SmtUtils]: Spent 24.12 s on a formula simplification. DAG size of input: 4531 DAG size of output: 4865 [2021-07-10 01:24:51,542 WARN L205 SmtUtils]: Spent 15.87 s on a formula simplification. DAG size of input: 3153 DAG size of output: 3275 [2021-07-10 01:25:02,421 WARN L205 SmtUtils]: Spent 10.86 s on a formula simplification. DAG size of input: 3100 DAG size of output: 3091 [2021-07-10 01:25:22,999 WARN L205 SmtUtils]: Spent 20.56 s on a formula simplification. DAG size of input: 2740 DAG size of output: 4110 [2021-07-10 01:25:24,040 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 2692 DAG size of output: 2692 [2021-07-10 01:25:24,347 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 256 [2021-07-10 01:25:24,863 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 1341 [2021-07-10 01:25:25,160 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 1234 [2021-07-10 01:25:25,340 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 1079 [2021-07-10 01:25:25,482 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 668 DAG size of output: 668 [2021-07-10 01:25:25,613 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 635 DAG size of output: 635 [2021-07-10 01:25:27,013 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 355 DAG size of output: 219 [2021-07-10 01:25:27,137 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 685 DAG size of output: 685 [2021-07-10 01:25:27,737 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 596 DAG size of output: 558 [2021-07-10 01:25:28,874 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 189 [2021-07-10 01:25:29,081 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 484 DAG size of output: 318 [2021-07-10 01:25:29,466 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 687 DAG size of output: 429 [2021-07-10 01:25:29,985 WARN L205 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 846 DAG size of output: 502 [2021-07-10 01:25:30,403 WARN L205 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 450 [2021-07-10 01:25:30,895 WARN L205 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 1736 DAG size of output: 1736 [2021-07-10 01:25:31,112 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 1598 [2021-07-10 01:25:31,465 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 1498 [2021-07-10 01:25:31,760 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 1220 DAG size of output: 1220 [2021-07-10 01:25:32,258 WARN L205 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 1076 DAG size of output: 852 [2021-07-10 01:25:32,834 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 705 DAG size of output: 705 [2021-07-10 01:25:32,939 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 484 DAG size of output: 466 [2021-07-10 01:25:33,879 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 197 [2021-07-10 01:25:34,706 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 176 [2021-07-10 01:25:34,934 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 487 DAG size of output: 313 [2021-07-10 01:25:35,258 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 614 DAG size of output: 375 [2021-07-10 01:25:37,028 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 240 [2021-07-10 01:25:37,288 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 357 [2021-07-10 01:25:38,139 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 229 [2021-07-10 01:25:38,876 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 227 [2021-07-10 01:25:39,697 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 231 [2021-07-10 01:25:39,994 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 556 DAG size of output: 391 [2021-07-10 01:25:40,572 WARN L205 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 871 DAG size of output: 621 [2021-07-10 01:25:41,660 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 1446 DAG size of output: 922 [2021-07-10 01:25:42,921 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 1728 DAG size of output: 970 [2021-07-10 01:25:44,198 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 1758 DAG size of output: 839 [2021-07-10 01:25:44,490 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 283 [2021-07-10 01:25:46,319 WARN L205 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 1922 DAG size of output: 903 [2021-07-10 01:25:48,545 WARN L205 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 2598 DAG size of output: 1165 [2021-07-10 01:25:55,062 WARN L205 SmtUtils]: Spent 6.50 s on a formula simplification. DAG size of input: 4518 DAG size of output: 2219 [2021-07-10 01:25:55,825 WARN L205 SmtUtils]: Spent 748.00 ms on a formula simplification. DAG size of input: 486 DAG size of output: 525 [2021-07-10 01:25:56,205 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 477 DAG size of output: 477 [2021-07-10 01:25:57,171 WARN L205 SmtUtils]: Spent 962.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 729 [2021-07-10 01:25:57,466 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 468 DAG size of output: 338 [2021-07-10 01:25:58,187 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 273 [2021-07-10 01:25:58,487 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 279 [2021-07-10 01:25:58,837 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 564 DAG size of output: 325 [2021-07-10 01:26:06,070 WARN L205 SmtUtils]: Spent 7.23 s on a formula simplification. DAG size of input: 4961 DAG size of output: 2195 [2021-07-10 01:26:15,056 WARN L205 SmtUtils]: Spent 8.97 s on a formula simplification. DAG size of input: 5328 DAG size of output: 2407 [2021-07-10 01:26:26,423 WARN L205 SmtUtils]: Spent 11.34 s on a formula simplification. DAG size of input: 6680 DAG size of output: 2674 [2021-07-10 01:26:38,988 WARN L205 SmtUtils]: Spent 12.52 s on a formula simplification. DAG size of input: 6693 DAG size of output: 2686 [2021-07-10 01:26:54,048 WARN L205 SmtUtils]: Spent 15.03 s on a formula simplification. DAG size of input: 8215 DAG size of output: 3079 [2021-07-10 01:27:09,144 WARN L205 SmtUtils]: Spent 15.06 s on a formula simplification. DAG size of input: 8215 DAG size of output: 3079 [2021-07-10 01:27:27,001 WARN L205 SmtUtils]: Spent 17.81 s on a formula simplification. DAG size of input: 8225 DAG size of output: 3069 [2021-07-10 01:27:41,325 WARN L205 SmtUtils]: Spent 14.30 s on a formula simplification. DAG size of input: 3054 DAG size of output: 3247 [2021-07-10 01:27:47,783 WARN L205 SmtUtils]: Spent 6.42 s on a formula simplification. DAG size of input: 2778 DAG size of output: 2144 [2021-07-10 01:27:53,153 WARN L205 SmtUtils]: Spent 5.35 s on a formula simplification. DAG size of input: 1921 DAG size of output: 2107 [2021-07-10 01:27:57,796 WARN L205 SmtUtils]: Spent 4.63 s on a formula simplification. DAG size of input: 1844 DAG size of output: 1869 [2021-07-10 01:27:58,002 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 1774 [2021-07-10 01:27:58,210 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 1623 [2021-07-10 01:27:58,412 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 271 [2021-07-10 01:27:59,036 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 234 [2021-07-10 01:27:59,560 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 429 DAG size of output: 302 [2021-07-10 01:27:59,730 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 1442 [2021-07-10 01:28:00,086 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 262 [2021-07-10 01:28:00,265 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 233 [2021-07-10 01:28:01,120 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 1292 DAG size of output: 1292 [2021-07-10 01:28:01,356 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 265 [2021-07-10 01:28:01,631 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 204 [2021-07-10 01:28:01,840 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 214 [2021-07-10 01:28:02,913 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 1104 DAG size of output: 1104 [2021-07-10 01:28:03,681 WARN L205 SmtUtils]: Spent 762.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 490 [2021-07-10 01:28:04,756 WARN L205 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 509 [2021-07-10 01:28:05,388 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 338 [2021-07-10 01:28:05,735 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 500 DAG size of output: 441 [2021-07-10 01:28:06,167 WARN L205 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 702 DAG size of output: 535 [2021-07-10 01:28:06,287 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 624 DAG size of output: 624 [2021-07-10 01:28:06,923 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 353 [2021-07-10 01:28:07,685 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 204 [2021-07-10 01:28:07,830 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 216 [2021-07-10 01:28:08,516 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 564 DAG size of output: 291 [2021-07-10 01:28:09,331 WARN L205 SmtUtils]: Spent 812.00 ms on a formula simplification. DAG size of input: 1185 DAG size of output: 751 [2021-07-10 01:28:10,502 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 1369 DAG size of output: 911 [2021-07-10 01:28:11,803 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 1497 DAG size of output: 994 [2021-07-10 01:28:13,332 WARN L205 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 1806 DAG size of output: 1194 [2021-07-10 01:28:13,550 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 248 [2021-07-10 01:28:13,749 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 207 [2021-07-10 01:28:14,068 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 232 [2021-07-10 01:28:14,715 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 169 [2021-07-10 01:28:14,876 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 207 [2021-07-10 01:28:15,039 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 223 [2021-07-10 01:28:16,784 WARN L205 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 2038 DAG size of output: 1341 [2021-07-10 01:28:18,984 WARN L205 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 2187 DAG size of output: 1400 [2021-07-10 01:28:22,425 WARN L205 SmtUtils]: Spent 3.43 s on a formula simplification. DAG size of input: 2655 DAG size of output: 1823 [2021-07-10 01:28:26,719 WARN L205 SmtUtils]: Spent 4.28 s on a formula simplification. DAG size of input: 2932 DAG size of output: 2078 [2021-07-10 01:28:32,045 WARN L205 SmtUtils]: Spent 5.31 s on a formula simplification. DAG size of input: 3415 DAG size of output: 2208 [2021-07-10 01:28:38,192 WARN L205 SmtUtils]: Spent 6.13 s on a formula simplification. DAG size of input: 3441 DAG size of output: 2213 [2021-07-10 01:28:44,356 WARN L205 SmtUtils]: Spent 6.15 s on a formula simplification. DAG size of input: 3441 DAG size of output: 2213 [2021-07-10 01:28:51,073 WARN L205 SmtUtils]: Spent 6.70 s on a formula simplification. DAG size of input: 3444 DAG size of output: 2217 [2021-07-10 01:28:51,363 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 2213 [2021-07-10 01:28:51,938 WARN L205 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 2213 DAG size of output: 2213 [2021-07-10 01:28:52,273 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 2208 [2021-07-10 01:28:57,521 WARN L205 SmtUtils]: Spent 5.23 s on a formula simplification. DAG size of input: 2078 DAG size of output: 1870 [2021-07-10 01:28:57,836 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 1107 DAG size of output: 1107 [2021-07-10 01:28:59,900 WARN L205 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 1010 DAG size of output: 875 [2021-07-10 01:29:00,454 WARN L205 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 416 [2021-07-10 01:29:00,637 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 188 [2021-07-10 01:29:01,131 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 197 [2021-07-10 01:29:02,253 WARN L205 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 599 DAG size of output: 529 [2021-07-10 01:29:02,429 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 289 [2021-07-10 01:29:03,069 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 258 [2021-07-10 01:29:03,613 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 198 [2021-07-10 01:29:03,815 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 286 [2021-07-10 01:29:04,099 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 593 DAG size of output: 383 [2021-07-10 01:29:04,281 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 947 DAG size of output: 945 [2021-07-10 01:29:05,752 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 789 DAG size of output: 735 [2021-07-10 01:29:06,387 WARN L205 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 547 [2021-07-10 01:29:06,950 WARN L205 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 537 DAG size of output: 464 [2021-07-10 01:29:07,892 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 393 DAG size of output: 242 [2021-07-10 01:29:08,123 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 252 [2021-07-10 01:29:08,497 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 239 [2021-07-10 01:29:09,192 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 315 [2021-07-10 01:29:09,331 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 196 [2021-07-10 01:29:09,783 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 582 DAG size of output: 346 [2021-07-10 01:29:10,113 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 589 DAG size of output: 350 [2021-07-10 01:29:10,688 WARN L205 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 1065 DAG size of output: 574 [2021-07-10 01:29:11,012 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 292 [2021-07-10 01:29:11,178 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 195 [2021-07-10 01:29:11,971 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 213 [2021-07-10 01:29:12,128 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 199 [2021-07-10 01:29:12,710 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 180 [2021-07-10 01:29:13,578 WARN L205 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 1288 DAG size of output: 687 [2021-07-10 01:29:14,590 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 1291 DAG size of output: 686 [2021-07-10 01:29:15,615 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 1291 DAG size of output: 686 [2021-07-10 01:29:16,680 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 1297 DAG size of output: 692 [2021-07-10 01:29:17,028 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 576 DAG size of output: 491 [2021-07-10 01:29:17,627 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 304 [2021-07-10 01:29:17,981 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 355 [2021-07-10 01:29:18,374 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 576 DAG size of output: 360 [2021-07-10 01:29:18,779 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 576 DAG size of output: 360 [2021-07-10 01:29:19,198 WARN L205 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 363 [2021-07-10 01:29:19,535 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 365 DAG size of output: 365 [2021-07-10 01:29:19,682 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 248 [2021-07-10 01:29:20,012 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 149 [2021-07-10 01:29:20,660 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:20,661 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:29:20,662 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 01:29:20,662 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:3 [2021-07-10 01:29:20,667 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:20,667 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [741738324] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:20,667 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:29:20,667 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 20] total 32 [2021-07-10 01:29:20,667 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937798536] [2021-07-10 01:29:20,668 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-07-10 01:29:20,668 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:29:20,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-07-10 01:29:20,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=975, Unknown=0, NotChecked=0, Total=1056 [2021-07-10 01:29:20,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:20,668 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:29:20,669 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 1.4848484848484849) internal successors, (49), 32 states have internal predecessors, (49), 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 01:29:20,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 01:29:20,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:29:20,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:29:20,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:29:20,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:29:20,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:29:20,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 01:29:20,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:29:20,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:29:20,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 01:29:20,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:29:20,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:29:20,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:29:20,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:29:20,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:20,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 01:29:20,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:29:20,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:29:20,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:29:20,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:29:20,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:29:20,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 01:29:20,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:29:20,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:29:20,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 01:29:20,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:29:20,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:29:20,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:29:20,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:29:20,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:29:21,157 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1343 [2021-07-10 01:29:21,157 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:29:21,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:29:21,158 INFO L82 PathProgramCache]: Analyzing trace with hash -1770898350, now seen corresponding path program 14 times [2021-07-10 01:29:21,158 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:29:21,158 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205522379] [2021-07-10 01:29:21,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:29:21,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:29:21,361 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 78 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:21,361 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:29:21,362 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205522379] [2021-07-10 01:29:21,362 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205522379] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:21,362 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [464950849] [2021-07-10 01:29:21,362 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 01:29:21,395 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 01:29:21,395 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:29:21,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-10 01:29:21,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:29:21,463 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 91 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:21,464 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [464950849] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:21,464 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:29:21,464 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 23 [2021-07-10 01:29:21,464 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185913512] [2021-07-10 01:29:21,464 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-10 01:29:21,464 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:29:21,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-10 01:29:21,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=394, Unknown=0, NotChecked=0, Total=552 [2021-07-10 01:29:21,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:21,465 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:29:21,465 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 1.375) internal successors, (33), 23 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:29:21,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 01:29:21,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:29:21,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:29:21,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:29:21,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:29:21,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:29:21,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 01:29:21,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:29:21,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:29:21,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 01:29:21,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:29:21,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:29:21,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:29:21,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:29:21,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:29:21,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:21,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 01:29:21,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:29:21,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:29:21,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:29:21,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:29:21,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:29:21,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 01:29:21,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:29:21,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:29:21,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 01:29:21,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:29:21,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:29:21,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:29:21,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:29:21,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:29:21,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 01:29:21,979 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11576 [2021-07-10 01:29:21,980 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:29:21,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:29:21,980 INFO L82 PathProgramCache]: Analyzing trace with hash 959797699, now seen corresponding path program 15 times [2021-07-10 01:29:21,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:29:21,981 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7049262] [2021-07-10 01:29:21,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:29:21,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:29:22,148 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:22,149 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:29:22,149 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7049262] [2021-07-10 01:29:22,149 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7049262] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:22,149 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1125060529] [2021-07-10 01:29:22,149 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 01:29:22,188 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-07-10 01:29:22,188 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:29:22,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 49 conjunts are in the unsatisfiable core [2021-07-10 01:29:22,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:29:23,275 WARN L205 SmtUtils]: Spent 572.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2021-07-10 01:29:23,275 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:29:23,275 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 27 new quantified variables, introduced 91 case distinctions, treesize of input 63 treesize of output 774 [2021-07-10 01:29:24,467 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 429 DAG size of output: 301 [2021-07-10 01:29:24,667 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 334 [2021-07-10 01:29:24,936 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 492 DAG size of output: 363 [2021-07-10 01:29:26,356 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 673 DAG size of output: 609 [2021-07-10 01:29:26,705 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 701 DAG size of output: 636 [2021-07-10 01:29:27,398 WARN L205 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 1105 DAG size of output: 912 [2021-07-10 01:29:28,253 WARN L205 SmtUtils]: Spent 847.00 ms on a formula simplification. DAG size of input: 1137 DAG size of output: 937 [2021-07-10 01:29:29,315 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 1169 DAG size of output: 969 [2021-07-10 01:29:30,631 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 1200 DAG size of output: 1000 [2021-07-10 01:29:32,134 WARN L205 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 1232 DAG size of output: 1032 [2021-07-10 01:29:33,431 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 235 [2021-07-10 01:29:33,590 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 256 [2021-07-10 01:29:33,779 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 289 [2021-07-10 01:29:34,010 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 412 DAG size of output: 321 [2021-07-10 01:29:34,264 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 354 [2021-07-10 01:29:36,267 WARN L205 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 1480 DAG size of output: 1192 [2021-07-10 01:29:37,735 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 360 DAG size of output: 328 [2021-07-10 01:29:38,065 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 657 DAG size of output: 593 [2021-07-10 01:29:39,275 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 324 [2021-07-10 01:29:39,494 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 653 DAG size of output: 589 [2021-07-10 01:29:40,059 WARN L205 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 1250 DAG size of output: 1122 [2021-07-10 01:29:40,788 WARN L205 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 1279 DAG size of output: 1150 [2021-07-10 01:29:41,743 WARN L205 SmtUtils]: Spent 948.00 ms on a formula simplification. DAG size of input: 1310 DAG size of output: 1181 [2021-07-10 01:29:42,899 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 1340 DAG size of output: 1211 [2021-07-10 01:29:44,411 WARN L205 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 1369 DAG size of output: 1239 [2021-07-10 01:29:45,955 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 460 DAG size of output: 316 [2021-07-10 01:29:46,167 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 492 DAG size of output: 348 [2021-07-10 01:29:46,432 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 523 DAG size of output: 375 [2021-07-10 01:29:46,773 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 406 [2021-07-10 01:29:47,135 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 584 DAG size of output: 436 [2021-07-10 01:29:49,273 WARN L205 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 1800 DAG size of output: 1526 [2021-07-10 01:29:51,798 WARN L205 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 1831 DAG size of output: 1557 [2021-07-10 01:29:56,741 WARN L205 SmtUtils]: Spent 4.93 s on a formula simplification. DAG size of input: 3112 DAG size of output: 2563 [2021-07-10 01:30:02,574 WARN L205 SmtUtils]: Spent 5.82 s on a formula simplification. DAG size of input: 3143 DAG size of output: 2594 [2021-07-10 01:30:09,508 WARN L205 SmtUtils]: Spent 6.92 s on a formula simplification. DAG size of input: 3171 DAG size of output: 2622 [2021-07-10 01:30:16,931 WARN L205 SmtUtils]: Spent 7.41 s on a formula simplification. DAG size of input: 3200 DAG size of output: 2649 [2021-07-10 01:30:25,458 WARN L205 SmtUtils]: Spent 8.51 s on a formula simplification. DAG size of input: 3246 DAG size of output: 2693 [2021-07-10 01:30:26,748 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 200 [2021-07-10 01:30:26,880 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 234 [2021-07-10 01:30:27,038 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 262 [2021-07-10 01:30:27,221 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 379 DAG size of output: 295 [2021-07-10 01:30:27,460 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 327 [2021-07-10 01:30:28,173 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 337 [2021-07-10 01:30:28,999 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 674 DAG size of output: 610 [2021-07-10 01:30:30,113 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 302 [2021-07-10 01:30:30,317 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 335 [2021-07-10 01:30:30,869 WARN L205 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 1073 DAG size of output: 881 [2021-07-10 01:30:31,570 WARN L205 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 1104 DAG size of output: 911 [2021-07-10 01:30:32,445 WARN L205 SmtUtils]: Spent 868.00 ms on a formula simplification. DAG size of input: 1136 DAG size of output: 943 [2021-07-10 01:30:33,518 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 1168 DAG size of output: 975 [2021-07-10 01:30:34,883 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 1199 DAG size of output: 1006 [2021-07-10 01:30:36,727 WARN L205 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 1441 DAG size of output: 1168 [2021-07-10 01:30:39,003 WARN L205 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 1474 DAG size of output: 1201 [2021-07-10 01:30:40,174 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 302 [2021-07-10 01:30:40,379 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 335 [2021-07-10 01:30:40,664 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 493 DAG size of output: 364 [2021-07-10 01:30:41,902 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 304 [2021-07-10 01:30:42,163 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 467 DAG size of output: 339 [2021-07-10 01:30:42,472 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 499 DAG size of output: 370 [2021-07-10 01:30:43,254 WARN L205 SmtUtils]: Spent 777.00 ms on a formula simplification. DAG size of input: 890 DAG size of output: 633 [2021-07-10 01:30:44,085 WARN L205 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 923 DAG size of output: 659 [2021-07-10 01:30:45,063 WARN L205 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 957 DAG size of output: 693 [2021-07-10 01:30:46,167 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 990 DAG size of output: 726 [2021-07-10 01:30:47,435 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 1024 DAG size of output: 760 [2021-07-10 01:30:49,649 WARN L205 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 1051 DAG size of output: 779 [2021-07-10 01:30:53,576 WARN L205 SmtUtils]: Spent 3.92 s on a formula simplification. DAG size of input: 2305 DAG size of output: 1755 [2021-07-10 01:30:57,864 WARN L205 SmtUtils]: Spent 4.28 s on a formula simplification. DAG size of input: 2338 DAG size of output: 1788 [2021-07-10 01:31:02,456 WARN L205 SmtUtils]: Spent 4.58 s on a formula simplification. DAG size of input: 2368 DAG size of output: 1818 [2021-07-10 01:31:07,658 WARN L205 SmtUtils]: Spent 5.19 s on a formula simplification. DAG size of input: 2399 DAG size of output: 1847 [2021-07-10 01:31:21,824 WARN L205 SmtUtils]: Spent 14.13 s on a formula simplification. DAG size of input: 5327 DAG size of output: 4237 [2021-07-10 01:31:37,490 WARN L205 SmtUtils]: Spent 15.64 s on a formula simplification. DAG size of input: 5355 DAG size of output: 4263 [2021-07-10 01:31:53,140 WARN L205 SmtUtils]: Spent 15.62 s on a formula simplification. DAG size of input: 5355 DAG size of output: 4263 [2021-07-10 01:32:11,427 WARN L205 SmtUtils]: Spent 18.27 s on a formula simplification. DAG size of input: 5378 DAG size of output: 4286 [2021-07-10 01:32:42,006 WARN L205 SmtUtils]: Spent 30.55 s on a formula simplification. DAG size of input: 4288 DAG size of output: 5230 Received shutdown request... [2021-07-10 01:33:17,987 WARN L205 SmtUtils]: Spent 35.94 s on a formula simplification. DAG size of input: 4282 DAG size of output: 6377 [2021-07-10 01:33:18,223 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11577 [2021-07-10 01:33:18,223 WARN L547 AbstractCegarLoop]: Verification canceled [2021-07-10 01:33:18,229 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-10 01:33:18,230 WARN L196 ceAbstractionStarter]: Timeout [2021-07-10 01:33:18,230 INFO L202 PluginConnector]: Adding new model unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.07 01:33:18 BasicIcfg [2021-07-10 01:33:18,230 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-10 01:33:18,231 INFO L168 Benchmark]: Toolchain (without parser) took 886643.90 ms. Allocated memory was 217.1 MB in the beginning and 1.5 GB in the end (delta: 1.3 GB). Free memory was 196.4 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 956.3 MB. Max. memory is 8.0 GB. [2021-07-10 01:33:18,231 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.10 ms. Allocated memory is still 217.1 MB. Free memory is still 197.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-10 01:33:18,231 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.82 ms. Allocated memory is still 217.1 MB. Free memory was 196.3 MB in the beginning and 194.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-10 01:33:18,231 INFO L168 Benchmark]: Boogie Preprocessor took 9.80 ms. Allocated memory is still 217.1 MB. Free memory was 194.9 MB in the beginning and 193.9 MB in the end (delta: 934.3 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-10 01:33:18,231 INFO L168 Benchmark]: RCFGBuilder took 274.91 ms. Allocated memory is still 217.1 MB. Free memory was 193.9 MB in the beginning and 180.2 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-07-10 01:33:18,231 INFO L168 Benchmark]: TraceAbstraction took 886339.24 ms. Allocated memory was 217.1 MB in the beginning and 1.5 GB in the end (delta: 1.3 GB). Free memory was 179.7 MB in the beginning and 1.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 939.5 MB. Max. memory is 8.0 GB. [2021-07-10 01:33:18,231 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.10 ms. Allocated memory is still 217.1 MB. Free memory is still 197.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 16.82 ms. Allocated memory is still 217.1 MB. Free memory was 196.3 MB in the beginning and 194.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 9.80 ms. Allocated memory is still 217.1 MB. Free memory was 194.9 MB in the beginning and 193.9 MB in the end (delta: 934.3 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 274.91 ms. Allocated memory is still 217.1 MB. Free memory was 193.9 MB in the beginning and 180.2 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 886339.24 ms. Allocated memory was 217.1 MB in the beginning and 1.5 GB in the end (delta: 1.3 GB). Free memory was 179.7 MB in the beginning and 1.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 939.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1196, positive: 812, positive conditional: 812, positive unconditional: 0, negative: 384, negative conditional: 384, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 812, positive: 812, positive conditional: 812, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 812, positive: 812, positive conditional: 0, positive unconditional: 812, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 812, positive: 804, positive conditional: 0, positive unconditional: 804, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 8, unknown conditional: 0, unknown unconditional: 8] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 ], Maximal queried relation: 0, Independence queries for same thread: 384 - TimeoutResultAtElement [Line: 53]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 31 with TraceHistMax 14,while TraceCheckSpWp was constructing forward predicates,while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations,while QuantifierPusher was running 1 iterations of DualJunctionQuantifierElimination. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 20 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 886245.2ms, OverallIterations: 17, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 12.0ms, PartialOrderReductionTime: 1952.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 214, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 94.1ms SsaConstructionTime, 269.6ms SatisfiabilityAnalysisTime, 643825.9ms InterpolantComputationTime, 577 NumberOfCodeBlocks, 577 NumberOfCodeBlocksAsserted, 57 NumberOfCheckSat, 546 ConstructedInterpolants, 0 QuantifiedInterpolants, 3732 SizeOfPredicates, 16 NumberOfNonLiveVariables, 1135 ConjunctsInSsa, 267 ConjunctsInUnsatCore, 31 InterpolantComputations, 1 PerfectInterpolantSequences, 464/1290 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown