/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/popl20-bad/counter-queue.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 02:08:00,946 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 02:08:00,948 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 02:08:00,978 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-10 02:08:00,993 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-10 02:08:00,995 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-10 02:08:00,996 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-10 02:08:00,997 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-10 02:08:00,999 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-10 02:08:00,999 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-10 02:08:01,001 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-10 02:08:01,005 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-10 02:08:01,006 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-10 02:08:01,007 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-10 02:08:01,007 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-10 02:08:01,009 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-10 02:08:01,014 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-10 02:08:01,026 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 02:08:01,073 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 02:08:01,073 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 02:08:01,073 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 02:08:01,073 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 02:08:01,075 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 02:08:01,075 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 02:08:01,075 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 02:08:01,076 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 02:08:01,076 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 02:08:01,076 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 02:08:01,076 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 02:08:01,077 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 02:08:01,077 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 02:08:01,077 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 02:08:01,077 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 02:08:01,077 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 02:08:01,077 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 02:08:01,077 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 02:08:01,077 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 02:08:01,077 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 02:08:01,078 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 02:08:01,078 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 02:08:01,078 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 02:08:01,078 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 02:08:01,078 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 02:08:01,078 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 02:08:01,078 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 02:08:01,078 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 02:08:01,078 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 02:08:01,078 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 02:08:01,079 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 02:08:01,079 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 02:08:01,079 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-07-10 02:08:01,079 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 02:08:01,307 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 02:08:01,332 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 02:08:01,333 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 02:08:01,334 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-10 02:08:01,335 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-10 02:08:01,335 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/counter-queue.wvr.bpl [2021-07-10 02:08:01,336 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/counter-queue.wvr.bpl' [2021-07-10 02:08:01,359 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 02:08:01,360 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-10 02:08:01,362 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 02:08:01,362 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 02:08:01,362 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 02:08:01,370 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:08:01" (1/1) ... [2021-07-10 02:08:01,377 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:08:01" (1/1) ... [2021-07-10 02:08:01,382 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 02:08:01,383 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 02:08:01,383 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 02:08:01,383 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 02:08:01,388 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:08:01" (1/1) ... [2021-07-10 02:08:01,388 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:08:01" (1/1) ... [2021-07-10 02:08:01,389 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:08:01" (1/1) ... [2021-07-10 02:08:01,389 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:08:01" (1/1) ... [2021-07-10 02:08:01,390 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:08:01" (1/1) ... [2021-07-10 02:08:01,392 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:08:01" (1/1) ... [2021-07-10 02:08:01,392 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:08:01" (1/1) ... [2021-07-10 02:08:01,393 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 02:08:01,393 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 02:08:01,393 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 02:08:01,394 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 02:08:01,403 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:08:01" (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 02:08:01,468 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-10 02:08:01,468 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 02:08:01,468 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 02:08:01,468 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-10 02:08:01,468 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 02:08:01,468 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 02:08:01,468 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-10 02:08:01,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 02:08:01,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 02:08:01,469 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 02:08:01,645 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 02:08:01,645 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-10 02:08:01,647 INFO L202 PluginConnector]: Adding new model counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 02:08:01 BoogieIcfgContainer [2021-07-10 02:08:01,647 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 02:08:01,648 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 02:08:01,648 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 02:08:01,650 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 02:08:01,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:08:01" (1/2) ... [2021-07-10 02:08:01,650 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d7d8ad3 and model type counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 02:08:01, skipping insertion in model container [2021-07-10 02:08:01,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 02:08:01" (2/2) ... [2021-07-10 02:08:01,651 INFO L111 eAbstractionObserver]: Analyzing ICFG counter-queue.wvr.bpl [2021-07-10 02:08:01,670 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 02:08:01,671 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 02:08:01,671 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 02:08:01,671 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 02:08:01,706 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-10 02:08:01,735 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 02:08:01,887 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 02:08:01,887 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 02:08:01,887 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 02:08:01,887 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 02:08:01,887 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 02:08:01,887 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 02:08:01,887 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 02:08:01,887 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 02:08:01,965 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 02:08:01,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 02:08:01,968 INFO L82 PathProgramCache]: Analyzing trace with hash -1255291927, now seen corresponding path program 1 times [2021-07-10 02:08:01,974 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 02:08:01,974 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172408092] [2021-07-10 02:08:01,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 02:08:02,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 02:08:02,076 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 02:08:02,076 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 02:08:02,076 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172408092] [2021-07-10 02:08:02,077 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172408092] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 02:08:02,077 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 02:08:02,077 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-10 02:08:02,077 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179946857] [2021-07-10 02:08:02,080 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-10 02:08:02,081 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 02:08:02,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-10 02:08:02,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-10 02:08:02,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:08:02,091 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 02:08:02,105 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 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 02:08:02,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:08:02,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:08:02,128 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 02:08:02,128 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 02:08:02,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 02:08:02,131 INFO L82 PathProgramCache]: Analyzing trace with hash 417922027, now seen corresponding path program 1 times [2021-07-10 02:08:02,132 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 02:08:02,133 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096284672] [2021-07-10 02:08:02,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 02:08:02,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 02:08:02,228 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 02:08:02,228 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 02:08:02,228 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096284672] [2021-07-10 02:08:02,229 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096284672] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:08:02,229 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1615166006] [2021-07-10 02:08:02,229 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 02:08:02,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 02:08:02,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-10 02:08:02,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 02:08:02,419 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 02:08:02,419 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1615166006] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:08:02,419 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 02:08:02,419 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2021-07-10 02:08:02,420 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871477075] [2021-07-10 02:08:02,420 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-10 02:08:02,420 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 02:08:02,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-10 02:08:02,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-07-10 02:08:02,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:08:02,421 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 02:08:02,421 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 2.5) internal successors, (25), 9 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 02:08:02,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:08:02,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:08:02,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:08:02,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 02:08:02,779 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 02:08:02,779 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 02:08:02,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 02:08:02,780 INFO L82 PathProgramCache]: Analyzing trace with hash -644197395, now seen corresponding path program 1 times [2021-07-10 02:08:02,780 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 02:08:02,780 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948297015] [2021-07-10 02:08:02,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 02:08:02,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 02:08:02,921 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 02:08:02,921 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 02:08:02,922 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948297015] [2021-07-10 02:08:02,922 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948297015] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:08:02,922 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [996684439] [2021-07-10 02:08:02,922 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 02:08:02,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 02:08:02,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-10 02:08:02,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 02:08:03,105 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 02:08:03,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2021-07-10 02:08:03,109 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 02:08:03,114 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 02:08:03,116 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 02:08:03,116 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:7 [2021-07-10 02:08:03,133 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 02:08:03,134 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [996684439] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:08:03,134 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 02:08:03,134 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-07-10 02:08:03,134 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423603142] [2021-07-10 02:08:03,134 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-10 02:08:03,134 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 02:08:03,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-10 02:08:03,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-07-10 02:08:03,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:08:03,135 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 02:08:03,135 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 8 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 02:08:03,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:08:03,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 02:08:03,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:08:03,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:08:03,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 02:08:03,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 02:08:03,386 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 02:08:03,386 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 02:08:03,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 02:08:03,387 INFO L82 PathProgramCache]: Analyzing trace with hash -48907537, now seen corresponding path program 2 times [2021-07-10 02:08:03,387 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 02:08:03,387 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478287322] [2021-07-10 02:08:03,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 02:08:03,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 02:08:03,473 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 02:08:03,473 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 02:08:03,474 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478287322] [2021-07-10 02:08:03,474 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478287322] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:08:03,474 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [978237690] [2021-07-10 02:08:03,475 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 02:08:03,499 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 02:08:03,499 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 02:08:03,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-10 02:08:03,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 02:08:03,587 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 02:08:03,587 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [978237690] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:08:03,587 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 02:08:03,587 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 13 [2021-07-10 02:08:03,587 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64540014] [2021-07-10 02:08:03,588 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-10 02:08:03,588 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 02:08:03,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-10 02:08:03,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2021-07-10 02:08:03,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:08:03,589 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 02:08:03,589 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 2.357142857142857) internal successors, (33), 13 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 02:08:03,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:08:03,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 02:08:03,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 02:08:03,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:08:03,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:08:03,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 02:08:03,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 02:08:03,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 02:08:03,942 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 02:08:03,942 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 02:08:03,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 02:08:03,943 INFO L82 PathProgramCache]: Analyzing trace with hash 1704157681, now seen corresponding path program 3 times [2021-07-10 02:08:03,943 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 02:08:03,943 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045703976] [2021-07-10 02:08:03,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 02:08:03,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 02:08:04,098 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 02:08:04,098 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 02:08:04,098 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045703976] [2021-07-10 02:08:04,098 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045703976] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:08:04,098 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1763263190] [2021-07-10 02:08:04,098 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 02:08:04,124 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-10 02:08:04,125 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 02:08:04,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-10 02:08:04,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 02:08:04,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:04,340 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 02:08:04,349 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 02:08:04,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 29 [2021-07-10 02:08:04,360 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-10 02:08:04,372 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 02:08:04,381 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 02:08:04,381 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:54, output treesize:27 [2021-07-10 02:08:04,434 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 02:08:04,434 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1763263190] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:08:04,434 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 02:08:04,434 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11] total 15 [2021-07-10 02:08:04,434 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667789368] [2021-07-10 02:08:04,435 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-10 02:08:04,435 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 02:08:04,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-10 02:08:04,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2021-07-10 02:08:04,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:08:04,436 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 02:08:04,436 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 2.3125) internal successors, (37), 15 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 02:08:04,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:08:04,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 02:08:04,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 02:08:04,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 02:08:04,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:08:04,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:08:04,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 02:08:04,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 02:08:04,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 02:08:04,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 02:08:04,768 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 02:08:04,768 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 02:08:04,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 02:08:04,769 INFO L82 PathProgramCache]: Analyzing trace with hash 1711150453, now seen corresponding path program 4 times [2021-07-10 02:08:04,769 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 02:08:04,769 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765506826] [2021-07-10 02:08:04,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 02:08:04,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 02:08:04,846 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 02:08:04,846 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 02:08:04,846 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765506826] [2021-07-10 02:08:04,846 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765506826] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:08:04,846 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1264188890] [2021-07-10 02:08:04,846 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 02:08:04,871 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 02:08:04,872 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 02:08:04,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 10 conjunts are in the unsatisfiable core [2021-07-10 02:08:04,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 02:08:05,008 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 02:08:05,008 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1264188890] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:08:05,008 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 02:08:05,008 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 19 [2021-07-10 02:08:05,008 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456760472] [2021-07-10 02:08:05,009 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-10 02:08:05,009 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 02:08:05,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-10 02:08:05,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=298, Unknown=0, NotChecked=0, Total=380 [2021-07-10 02:08:05,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:08:05,009 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 02:08:05,009 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 2.25) internal successors, (45), 19 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 02:08:05,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:08:05,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 02:08:05,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 02:08:05,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 02:08:05,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 02:08:05,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:08:05,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:08:05,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 02:08:05,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 02:08:05,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 02:08:05,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 02:08:05,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 02:08:05,462 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 02:08:05,462 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 02:08:05,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 02:08:05,463 INFO L82 PathProgramCache]: Analyzing trace with hash 1439627257, now seen corresponding path program 5 times [2021-07-10 02:08:05,463 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 02:08:05,463 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092345953] [2021-07-10 02:08:05,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 02:08:05,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 02:08:05,777 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 02:08:05,777 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 02:08:05,777 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092345953] [2021-07-10 02:08:05,777 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092345953] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:08:05,777 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1314644243] [2021-07-10 02:08:05,777 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 02:08:05,805 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-07-10 02:08:05,805 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 02:08:05,805 WARN L261 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 35 conjunts are in the unsatisfiable core [2021-07-10 02:08:05,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 02:08:06,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:06,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:06,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:06,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:06,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:06,126 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 02:08:06,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:06,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:06,127 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 02:08:06,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:06,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:06,129 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 02:08:06,129 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 02:08:06,130 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 7 [2021-07-10 02:08:06,131 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 02:08:06,135 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 02:08:06,137 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 02:08:06,137 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:7 [2021-07-10 02:08:06,157 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 02:08:06,158 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1314644243] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:08:06,158 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 02:08:06,158 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12] total 24 [2021-07-10 02:08:06,158 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355065938] [2021-07-10 02:08:06,158 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-10 02:08:06,158 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 02:08:06,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-10 02:08:06,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=517, Unknown=0, NotChecked=0, Total=600 [2021-07-10 02:08:06,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:08:06,159 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 02:08:06,159 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.12) internal successors, (53), 24 states have internal predecessors, (53), 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 02:08:06,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:08:06,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 02:08:06,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 02:08:06,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 02:08:06,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 02:08:06,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 02:08:06,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:08:07,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:08:07,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 02:08:07,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 02:08:07,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 02:08:07,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 02:08:07,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 02:08:07,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 02:08:07,375 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 02:08:07,376 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 02:08:07,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 02:08:07,376 INFO L82 PathProgramCache]: Analyzing trace with hash 1621327869, now seen corresponding path program 6 times [2021-07-10 02:08:07,376 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 02:08:07,376 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392595521] [2021-07-10 02:08:07,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 02:08:07,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 02:08:07,759 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 4 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 02:08:07,759 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 02:08:07,759 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392595521] [2021-07-10 02:08:07,759 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392595521] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:08:07,759 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1591368524] [2021-07-10 02:08:07,760 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 02:08:07,789 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-07-10 02:08:07,789 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 02:08:07,790 WARN L261 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 47 conjunts are in the unsatisfiable core [2021-07-10 02:08:07,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 02:08:08,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:08,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:08,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:08,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:08,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:08,593 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 02:08:08,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:08,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:08,595 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 02:08:08,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:08,597 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 02:08:08,599 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 02:08:08,634 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 02:08:08,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 6 disjoint index pairs (out of 45 index pairs), introduced 6 new quantified variables, introduced 17 case distinctions, treesize of input 81 treesize of output 95 [2021-07-10 02:08:08,677 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-07-10 02:08:08,724 INFO L628 ElimStorePlain]: treesize reduction 280, result has 11.1 percent of original size [2021-07-10 02:08:08,731 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 02:08:08,731 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:103, output treesize:22 [2021-07-10 02:08:08,793 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 02:08:08,794 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1591368524] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:08:08,794 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 02:08:08,794 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 19] total 33 [2021-07-10 02:08:08,794 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953409260] [2021-07-10 02:08:08,794 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-07-10 02:08:08,794 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 02:08:08,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-07-10 02:08:08,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=990, Unknown=0, NotChecked=0, Total=1122 [2021-07-10 02:08:08,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:08:08,795 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 02:08:08,795 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 1.7941176470588236) internal successors, (61), 33 states have internal predecessors, (61), 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 02:08:08,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:08:08,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 02:08:08,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 02:08:08,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 02:08:08,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 02:08:08,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 02:08:08,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 02:08:08,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:08:10,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:08:10,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 02:08:10,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 02:08:10,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 02:08:10,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 02:08:10,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 02:08:10,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 02:08:10,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 02:08:10,674 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-07-10 02:08:10,674 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 02:08:10,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 02:08:10,674 INFO L82 PathProgramCache]: Analyzing trace with hash -1607956991, now seen corresponding path program 7 times [2021-07-10 02:08:10,675 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 02:08:10,675 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463618314] [2021-07-10 02:08:10,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 02:08:10,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 02:08:11,190 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 02:08:11,190 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 02:08:11,190 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463618314] [2021-07-10 02:08:11,190 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463618314] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:08:11,190 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [375016348] [2021-07-10 02:08:11,190 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 02:08:11,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 02:08:11,219 WARN L261 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 51 conjunts are in the unsatisfiable core [2021-07-10 02:08:11,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 02:08:11,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:11,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:11,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:11,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:11,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:11,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:11,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:11,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:11,759 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 02:08:11,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:11,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:11,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:11,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:11,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:11,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:11,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:11,764 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 02:08:11,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:11,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:11,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:11,766 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 02:08:11,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:11,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:11,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:11,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:11,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:11,770 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 02:08:11,770 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 02:08:11,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:11,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:11,772 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 02:08:11,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 15 disjoint index pairs (out of 66 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 7 [2021-07-10 02:08:11,774 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 02:08:11,783 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 02:08:11,784 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 02:08:11,784 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:107, output treesize:7 [2021-07-10 02:08:11,808 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 02:08:11,808 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [375016348] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:08:11,808 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 02:08:11,808 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 16] total 32 [2021-07-10 02:08:11,810 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545590679] [2021-07-10 02:08:11,812 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-07-10 02:08:11,812 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 02:08:11,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-07-10 02:08:11,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=934, Unknown=0, NotChecked=0, Total=1056 [2021-07-10 02:08:11,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:08:11,812 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 02:08:11,813 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 2.090909090909091) internal successors, (69), 32 states have internal predecessors, (69), 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 02:08:11,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:08:11,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 02:08:11,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 02:08:11,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 02:08:11,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 02:08:11,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 02:08:11,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 02:08:11,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 02:08:11,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:08:13,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:08:13,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 02:08:13,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 02:08:13,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 02:08:13,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 02:08:13,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 02:08:13,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 02:08:13,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 02:08:13,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 02:08:13,685 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 02:08:13,686 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 02:08:13,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 02:08:13,686 INFO L82 PathProgramCache]: Analyzing trace with hash -1654191611, now seen corresponding path program 8 times [2021-07-10 02:08:13,686 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 02:08:13,686 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643995663] [2021-07-10 02:08:13,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 02:08:13,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 02:08:14,357 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 16 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 02:08:14,357 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 02:08:14,357 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643995663] [2021-07-10 02:08:14,357 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643995663] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:08:14,357 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1784437152] [2021-07-10 02:08:14,358 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 02:08:14,397 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 02:08:14,397 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 02:08:14,397 WARN L261 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 59 conjunts are in the unsatisfiable core [2021-07-10 02:08:14,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 02:08:15,226 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 02:08:15,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:15,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:15,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:15,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:15,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:15,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:15,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:15,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:15,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:15,233 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 02:08:15,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:15,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:15,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:15,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:15,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:15,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:15,238 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 02:08:15,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:15,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:15,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:15,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:15,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:15,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:15,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:15,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:15,243 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 02:08:15,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:15,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:15,245 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 02:08:15,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:15,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:15,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:15,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:15,248 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 02:08:15,248 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 02:08:15,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 21 disjoint index pairs (out of 91 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 7 [2021-07-10 02:08:15,253 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 02:08:15,257 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 02:08:15,259 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 02:08:15,259 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:123, output treesize:7 [2021-07-10 02:08:15,282 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 02:08:15,282 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1784437152] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:08:15,282 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 02:08:15,282 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 18] total 36 [2021-07-10 02:08:15,282 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807777953] [2021-07-10 02:08:15,282 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-07-10 02:08:15,282 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 02:08:15,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-07-10 02:08:15,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=1192, Unknown=0, NotChecked=0, Total=1332 [2021-07-10 02:08:15,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:08:15,284 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 02:08:15,284 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 2.081081081081081) internal successors, (77), 36 states have internal predecessors, (77), 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 02:08:15,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:08:15,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 02:08:15,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 02:08:15,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 02:08:15,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 02:08:15,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 02:08:15,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 02:08:15,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 02:08:15,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 02:08:15,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:08:17,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:08:17,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 02:08:17,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 02:08:17,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 02:08:17,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 02:08:17,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 02:08:17,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 02:08:17,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 02:08:17,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 02:08:17,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 02:08:17,661 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 02:08:17,662 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 02:08:17,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 02:08:17,662 INFO L82 PathProgramCache]: Analyzing trace with hash -1226306551, now seen corresponding path program 9 times [2021-07-10 02:08:17,662 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 02:08:17,662 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459032165] [2021-07-10 02:08:17,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 02:08:17,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 02:08:18,321 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 25 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 02:08:18,321 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 02:08:18,321 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459032165] [2021-07-10 02:08:18,321 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459032165] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:08:18,321 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [933807482] [2021-07-10 02:08:18,321 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 02:08:18,355 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2021-07-10 02:08:18,355 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 02:08:18,356 WARN L261 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 71 conjunts are in the unsatisfiable core [2021-07-10 02:08:18,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 02:08:22,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:22,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:22,267 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 02:08:22,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:22,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:22,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:22,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:22,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:22,280 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 02:08:22,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:22,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:22,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:22,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:22,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:22,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:22,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:22,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:22,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:22,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:22,299 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 02:08:22,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:22,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:22,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:22,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:22,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:22,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:22,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:22,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:22,316 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 02:08:22,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:22,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:08:22,568 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2021-07-10 02:08:22,568 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 02:08:22,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 24 disjoint index pairs (out of 120 index pairs), introduced 12 new quantified variables, introduced 74 case distinctions, treesize of input 141 treesize of output 487 [2021-07-10 02:08:23,508 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 242 [2021-07-10 02:08:23,788 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 262 [2021-07-10 02:08:24,058 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 308 [2021-07-10 02:08:24,594 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 221 [2021-07-10 02:08:24,905 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 271 [2021-07-10 02:08:25,468 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 221 [2021-07-10 02:08:25,677 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 242 [2021-07-10 02:08:26,207 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 157 [2021-07-10 02:08:26,540 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2021-07-10 02:08:26,938 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 276 [2021-07-10 02:08:27,751 WARN L205 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 342 [2021-07-10 02:08:28,561 WARN L205 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 396 DAG size of output: 412 [2021-07-10 02:08:29,822 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 503 DAG size of output: 520 [2021-07-10 02:08:31,697 WARN L205 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 641 DAG size of output: 665 [2021-07-10 02:08:33,932 WARN L205 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 673 DAG size of output: 697 [2021-07-10 02:08:34,494 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 263 [2021-07-10 02:08:34,654 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 298 [2021-07-10 02:08:34,880 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 333 [2021-07-10 02:08:35,169 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 371 DAG size of output: 370 [2021-07-10 02:08:35,740 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 334 [2021-07-10 02:08:36,356 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 468 DAG size of output: 477 [2021-07-10 02:08:37,247 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 307 [2021-07-10 02:08:37,903 WARN L205 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 622 DAG size of output: 634 [2021-07-10 02:08:38,742 WARN L205 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 666 DAG size of output: 678 [2021-07-10 02:08:40,191 WARN L205 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 823 DAG size of output: 833 [2021-07-10 02:08:40,912 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 207 [2021-07-10 02:08:41,056 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 222 [2021-07-10 02:08:41,419 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 270 [2021-07-10 02:08:41,807 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 347 [2021-07-10 02:08:42,645 WARN L205 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 413 DAG size of output: 411 [2021-07-10 02:08:45,166 WARN L205 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 1066 DAG size of output: 1073 [2021-07-10 02:08:50,858 WARN L205 SmtUtils]: Spent 5.69 s on a formula simplification. DAG size of input: 1491 DAG size of output: 1519 [2021-07-10 02:08:56,595 WARN L205 SmtUtils]: Spent 5.73 s on a formula simplification. DAG size of input: 1491 DAG size of output: 1519 [2021-07-10 02:09:02,407 WARN L205 SmtUtils]: Spent 5.80 s on a formula simplification. DAG size of input: 1502 DAG size of output: 1530 [2021-07-10 02:09:04,998 WARN L205 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 741 DAG size of output: 950 [2021-07-10 02:09:07,835 WARN L205 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 736 DAG size of output: 1124 [2021-07-10 02:09:09,726 WARN L205 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 692 DAG size of output: 835 [2021-07-10 02:09:10,469 WARN L205 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 695 [2021-07-10 02:09:12,336 WARN L205 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 617 DAG size of output: 791 [2021-07-10 02:09:12,916 WARN L205 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 581 DAG size of output: 595 [2021-07-10 02:09:14,025 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 578 DAG size of output: 808 [2021-07-10 02:09:14,687 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 467 DAG size of output: 446 [2021-07-10 02:09:15,422 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 578 DAG size of output: 558 [2021-07-10 02:09:15,585 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 222 [2021-07-10 02:09:15,985 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 315 [2021-07-10 02:09:17,114 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 431 DAG size of output: 412 [2021-07-10 02:09:20,791 WARN L205 SmtUtils]: Spent 3.67 s on a formula simplification. DAG size of input: 1917 DAG size of output: 1769 [2021-07-10 02:09:26,263 WARN L205 SmtUtils]: Spent 5.46 s on a formula simplification. DAG size of input: 2194 DAG size of output: 2044 [2021-07-10 02:09:33,902 WARN L205 SmtUtils]: Spent 7.63 s on a formula simplification. DAG size of input: 2459 DAG size of output: 2323 [2021-07-10 02:09:34,492 WARN L205 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 568 DAG size of output: 587 [2021-07-10 02:09:34,715 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 536 DAG size of output: 541 [2021-07-10 02:09:35,301 WARN L205 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 446 [2021-07-10 02:09:35,492 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 223 [2021-07-10 02:09:35,861 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 257 [2021-07-10 02:09:36,084 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 393 DAG size of output: 351 [2021-07-10 02:09:36,724 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 387 [2021-07-10 02:09:37,376 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 557 DAG size of output: 531 [2021-07-10 02:09:38,042 WARN L205 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 771 DAG size of output: 708 [2021-07-10 02:09:38,549 WARN L205 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 350 [2021-07-10 02:09:38,812 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 354 [2021-07-10 02:09:39,617 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 471 DAG size of output: 443 [2021-07-10 02:09:40,245 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 311 [2021-07-10 02:09:40,680 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 289 [2021-07-10 02:09:41,018 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 344 [2021-07-10 02:09:42,285 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 734 DAG size of output: 696 [2021-07-10 02:09:44,740 WARN L205 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 1237 DAG size of output: 1148 [2021-07-10 02:09:44,908 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 306 [2021-07-10 02:09:45,362 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 348 [2021-07-10 02:09:46,034 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 485 DAG size of output: 473 [2021-07-10 02:09:46,426 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 705 DAG size of output: 690 [2021-07-10 02:09:47,032 WARN L205 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 795 DAG size of output: 784 [2021-07-10 02:09:47,828 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 354 DAG size of output: 357 [2021-07-10 02:09:48,369 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 288 [2021-07-10 02:09:48,592 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 379 DAG size of output: 381 [2021-07-10 02:09:49,094 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 311 [2021-07-10 02:09:49,568 WARN L205 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 550 [2021-07-10 02:09:50,386 WARN L205 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 790 DAG size of output: 792 [2021-07-10 02:09:55,280 WARN L205 SmtUtils]: Spent 4.89 s on a formula simplification. DAG size of input: 2269 DAG size of output: 2166 [2021-07-10 02:10:02,860 WARN L205 SmtUtils]: Spent 7.50 s on a formula simplification. DAG size of input: 2617 DAG size of output: 2468 [2021-07-10 02:10:12,895 WARN L205 SmtUtils]: Spent 10.02 s on a formula simplification. DAG size of input: 2856 DAG size of output: 2716 [2021-07-10 02:10:33,532 WARN L205 SmtUtils]: Spent 20.62 s on a formula simplification. DAG size of input: 4301 DAG size of output: 4043 [2021-07-10 02:10:34,138 WARN L205 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 637 DAG size of output: 651 [2021-07-10 02:10:35,454 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 634 DAG size of output: 902 [2021-07-10 02:10:36,615 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 478 DAG size of output: 700 [2021-07-10 02:10:37,038 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 194 [2021-07-10 02:10:37,819 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 324 [2021-07-10 02:10:38,207 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 387 [2021-07-10 02:10:38,369 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 280 [2021-07-10 02:10:38,856 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 427 [2021-07-10 02:10:40,842 WARN L205 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 1172 DAG size of output: 1090 [2021-07-10 02:10:41,542 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 393 DAG size of output: 381 [2021-07-10 02:10:41,864 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 501 [2021-07-10 02:10:42,473 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 285 [2021-07-10 02:10:43,051 WARN L205 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 662 [2021-07-10 02:10:46,218 WARN L205 SmtUtils]: Spent 3.16 s on a formula simplification. DAG size of input: 1655 DAG size of output: 1556 [2021-07-10 02:10:50,931 WARN L205 SmtUtils]: Spent 4.70 s on a formula simplification. DAG size of input: 1952 DAG size of output: 1867 [2021-07-10 02:10:57,761 WARN L205 SmtUtils]: Spent 6.82 s on a formula simplification. DAG size of input: 2252 DAG size of output: 2166 [2021-07-10 02:11:08,981 WARN L205 SmtUtils]: Spent 11.06 s on a formula simplification. DAG size of input: 3203 DAG size of output: 2955 [2021-07-10 02:11:45,884 WARN L205 SmtUtils]: Spent 36.88 s on a formula simplification. DAG size of input: 6325 DAG size of output: 5851 [2021-07-10 02:11:46,044 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 701 [2021-07-10 02:11:48,539 WARN L205 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 671 DAG size of output: 978 [2021-07-10 02:11:50,995 WARN L205 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 668 DAG size of output: 961 [2021-07-10 02:11:54,097 WARN L205 SmtUtils]: Spent 3.10 s on a formula simplification. DAG size of input: 665 DAG size of output: 974 [2021-07-10 02:11:54,499 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 285 [2021-07-10 02:11:54,666 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 193 [2021-07-10 02:11:55,013 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 337 [2021-07-10 02:11:55,434 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 416 [2021-07-10 02:11:55,831 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 453 [2021-07-10 02:11:56,493 WARN L205 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 615 DAG size of output: 563 [2021-07-10 02:11:56,615 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 200 [2021-07-10 02:11:56,915 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 262 [2021-07-10 02:11:57,281 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 181 [2021-07-10 02:11:57,777 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 316 [2021-07-10 02:11:58,553 WARN L205 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 583 DAG size of output: 563 [2021-07-10 02:11:59,025 WARN L205 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 394 [2021-07-10 02:12:00,374 WARN L205 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 658 DAG size of output: 639 [2021-07-10 02:12:06,256 WARN L205 SmtUtils]: Spent 5.88 s on a formula simplification. DAG size of input: 2009 DAG size of output: 1914 [2021-07-10 02:12:15,373 WARN L205 SmtUtils]: Spent 9.11 s on a formula simplification. DAG size of input: 2013 DAG size of output: 1916 [2021-07-10 02:12:27,970 WARN L205 SmtUtils]: Spent 12.59 s on a formula simplification. DAG size of input: 2325 DAG size of output: 2231 [2021-07-10 02:12:48,425 WARN L205 SmtUtils]: Spent 20.24 s on a formula simplification. DAG size of input: 3594 DAG size of output: 3167 [2021-07-10 02:13:54,139 WARN L205 SmtUtils]: Spent 1.09 m on a formula simplification. DAG size of input: 9326 DAG size of output: 8368 [2021-07-10 02:15:12,310 WARN L205 SmtUtils]: Spent 1.30 m on a formula simplification. DAG size of input: 9585 DAG size of output: 8636 [2021-07-10 02:15:15,795 WARN L205 SmtUtils]: Spent 3.45 s on a formula simplification. DAG size of input: 1088 DAG size of output: 1536 [2021-07-10 02:15:19,139 WARN L205 SmtUtils]: Spent 3.33 s on a formula simplification. DAG size of input: 1085 DAG size of output: 1490 [2021-07-10 02:15:19,302 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 1080 [2021-07-10 02:15:19,504 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 263 [2021-07-10 02:15:19,642 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 260 [2021-07-10 02:15:20,107 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 281 [2021-07-10 02:15:20,326 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 284 [2021-07-10 02:15:20,650 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 336 [2021-07-10 02:15:21,146 WARN L205 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 423 DAG size of output: 401 [2021-07-10 02:15:21,781 WARN L205 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 403 [2021-07-10 02:15:22,171 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 367 [2021-07-10 02:15:22,527 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 359 [2021-07-10 02:15:23,050 WARN L205 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 364 [2021-07-10 02:15:23,350 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 246 [2021-07-10 02:15:24,304 WARN L205 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 628 DAG size of output: 589 [2021-07-10 02:15:25,287 WARN L205 SmtUtils]: Spent 980.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 592 [2021-07-10 02:15:26,760 WARN L205 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 757 DAG size of output: 712 [2021-07-10 02:15:26,875 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 244 [2021-07-10 02:15:26,988 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 243 [2021-07-10 02:15:27,097 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 233 [2021-07-10 02:15:27,617 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 322 [2021-07-10 02:15:27,853 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 368 [2021-07-10 02:15:28,223 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 422 [2021-07-10 02:15:28,782 WARN L205 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 493 DAG size of output: 469 [2021-07-10 02:15:31,231 WARN L205 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 1092 DAG size of output: 1023 [2021-07-10 02:15:34,972 WARN L205 SmtUtils]: Spent 3.74 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1202 [2021-07-10 02:15:35,523 WARN L205 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 343 DAG size of output: 412 [2021-07-10 02:15:36,063 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 236 [2021-07-10 02:15:36,338 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 297 [2021-07-10 02:15:36,720 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 352 [2021-07-10 02:15:37,050 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 302 [2021-07-10 02:15:37,233 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 326 [2021-07-10 02:15:37,526 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 350 [2021-07-10 02:15:38,125 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 493 [2021-07-10 02:15:38,636 WARN L205 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 641 DAG size of output: 602 [2021-07-10 02:15:39,419 WARN L205 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 779 DAG size of output: 741 [2021-07-10 02:15:40,744 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 987 DAG size of output: 950 [2021-07-10 02:15:42,651 WARN L205 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 1124 DAG size of output: 1088 [2021-07-10 02:15:45,781 WARN L205 SmtUtils]: Spent 3.12 s on a formula simplification. DAG size of input: 1499 DAG size of output: 1406 [2021-07-10 02:15:46,272 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 340 [2021-07-10 02:15:46,486 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 353 [2021-07-10 02:15:47,139 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 587 DAG size of output: 571 [2021-07-10 02:15:47,505 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 727 DAG size of output: 707 [2021-07-10 02:15:48,055 WARN L205 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 816 DAG size of output: 802 [2021-07-10 02:15:48,573 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 333 [2021-07-10 02:15:49,481 WARN L205 SmtUtils]: Spent 905.00 ms on a formula simplification. DAG size of input: 1027 DAG size of output: 1003 [2021-07-10 02:15:49,741 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 366 [2021-07-10 02:15:49,876 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 322 [2021-07-10 02:15:50,012 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 306 [2021-07-10 02:15:50,511 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 609 DAG size of output: 586 [2021-07-10 02:15:50,894 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 693 DAG size of output: 674 [2021-07-10 02:15:51,562 WARN L205 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 818 DAG size of output: 794 [2021-07-10 02:15:51,723 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 312 [2021-07-10 02:15:52,400 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 555 DAG size of output: 532 [2021-07-10 02:15:52,845 WARN L205 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 699 DAG size of output: 676 [2021-07-10 02:15:53,886 WARN L205 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 845 DAG size of output: 815 [2021-07-10 02:15:54,380 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 301 [2021-07-10 02:15:54,589 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 311 [2021-07-10 02:15:54,695 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 318 [2021-07-10 02:15:55,042 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 499 [2021-07-10 02:15:55,317 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 664 DAG size of output: 632 [2021-07-10 02:15:55,511 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 335 [2021-07-10 02:15:55,631 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 297 [2021-07-10 02:15:56,616 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 567 DAG size of output: 517 [2021-07-10 02:15:56,959 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 684 DAG size of output: 639 [2021-07-10 02:15:57,469 WARN L205 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 804 DAG size of output: 760 [2021-07-10 02:15:58,226 WARN L205 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 917 DAG size of output: 878 [2021-07-10 02:15:59,417 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 1213 DAG size of output: 1168 [2021-07-10 02:16:01,972 WARN L205 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 1965 DAG size of output: 1905 [2021-07-10 02:16:07,043 WARN L205 SmtUtils]: Spent 5.06 s on a formula simplification. DAG size of input: 2878 DAG size of output: 2788 [2021-07-10 02:16:15,690 WARN L205 SmtUtils]: Spent 8.63 s on a formula simplification. DAG size of input: 4237 DAG size of output: 3592 [2021-07-10 02:16:29,748 WARN L205 SmtUtils]: Spent 14.04 s on a formula simplification. DAG size of input: 5311 DAG size of output: 4573 [2021-07-10 02:16:50,773 WARN L205 SmtUtils]: Spent 21.00 s on a formula simplification. DAG size of input: 6289 DAG size of output: 5463 [2021-07-10 02:17:17,648 WARN L205 SmtUtils]: Spent 26.84 s on a formula simplification. DAG size of input: 6859 DAG size of output: 6051 [2021-07-10 02:17:51,327 WARN L205 SmtUtils]: Spent 33.64 s on a formula simplification. DAG size of input: 6979 DAG size of output: 6178 [2021-07-10 02:19:58,458 WARN L205 SmtUtils]: Spent 2.12 m on a formula simplification. DAG size of input: 15531 DAG size of output: 13741 [2021-07-10 02:22:05,162 WARN L205 SmtUtils]: Spent 2.11 m on a formula simplification. DAG size of input: 15531 DAG size of output: 13741 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown