/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-1.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d47b94137d5c7dd60722882962a90fb345e61909-d47b941 [2021-05-03 18:25:30,044 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-03 18:25:30,047 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-03 18:25:30,086 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-05-03 18:25:30,086 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-05-03 18:25:30,090 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-05-03 18:25:30,093 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-05-03 18:25:30,101 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-05-03 18:25:30,104 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-05-03 18:25:30,108 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-05-03 18:25:30,109 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-05-03 18:25:30,111 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-05-03 18:25:30,111 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-05-03 18:25:30,113 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-05-03 18:25:30,115 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-05-03 18:25:30,116 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-05-03 18:25:30,119 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-05-03 18:25:30,121 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-05-03 18:25:30,123 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-05-03 18:25:30,129 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-05-03 18:25:30,131 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-05-03 18:25:30,132 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-05-03 18:25:30,134 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-05-03 18:25:30,136 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-05-03 18:25:30,143 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-05-03 18:25:30,152 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-05-03 18:25:30,152 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-05-03 18:25:30,153 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-05-03 18:25:30,157 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe.epf [2021-05-03 18:25:30,195 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-03 18:25:30,195 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-03 18:25:30,196 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-05-03 18:25:30,196 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-05-03 18:25:30,199 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-05-03 18:25:30,199 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-05-03 18:25:30,200 INFO L138 SettingsManager]: * Use SBE=true [2021-05-03 18:25:30,200 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-03 18:25:30,200 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-03 18:25:30,200 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-03 18:25:30,201 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-03 18:25:30,201 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-03 18:25:30,201 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-03 18:25:30,201 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-03 18:25:30,201 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-03 18:25:30,201 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-03 18:25:30,202 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-03 18:25:30,202 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-03 18:25:30,202 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-03 18:25:30,202 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-03 18:25:30,202 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-03 18:25:30,202 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-05-03 18:25:30,202 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-03 18:25:30,202 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-03 18:25:30,203 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-03 18:25:30,203 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-05-03 18:25:30,203 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-05-03 18:25:30,203 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-05-03 18:25:30,203 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-05-03 18:25:30,203 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-05-03 18:25:30,203 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-05-03 18:25:30,203 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-05-03 18:25:30,204 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-05-03 18:25:30,204 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-05-03 18:25:30,571 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-03 18:25:30,591 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-03 18:25:30,594 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-03 18:25:30,595 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-05-03 18:25:30,605 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-05-03 18:25:30,606 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-1.wvr.bpl [2021-05-03 18:25:30,606 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-1.wvr.bpl' [2021-05-03 18:25:30,651 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-03 18:25:30,654 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-05-03 18:25:30,656 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-05-03 18:25:30,656 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-05-03 18:25:30,656 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-05-03 18:25:30,669 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:25:30" (1/1) ... [2021-05-03 18:25:30,677 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:25:30" (1/1) ... [2021-05-03 18:25:30,684 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-05-03 18:25:30,687 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-03 18:25:30,688 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-03 18:25:30,688 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-03 18:25:30,694 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:25:30" (1/1) ... [2021-05-03 18:25:30,695 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:25:30" (1/1) ... [2021-05-03 18:25:30,696 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:25:30" (1/1) ... [2021-05-03 18:25:30,697 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:25:30" (1/1) ... [2021-05-03 18:25:30,702 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:25:30" (1/1) ... [2021-05-03 18:25:30,707 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:25:30" (1/1) ... [2021-05-03 18:25:30,708 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:25:30" (1/1) ... [2021-05-03 18:25:30,712 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-03 18:25:30,715 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-03 18:25:30,716 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-03 18:25:30,716 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-03 18:25:30,718 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:25:30" (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 [2021-05-03 18:25:30,835 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-05-03 18:25:30,836 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-05-03 18:25:30,836 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-05-03 18:25:30,836 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-05-03 18:25:30,836 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-05-03 18:25:30,836 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-05-03 18:25:30,836 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-05-03 18:25:30,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-03 18:25:30,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-03 18:25:30,838 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-05-03 18:25:31,060 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-03 18:25:31,060 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-05-03 18:25:31,062 INFO L202 PluginConnector]: Adding new model misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 06:25:31 BoogieIcfgContainer [2021-05-03 18:25:31,062 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-03 18:25:31,064 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-03 18:25:31,064 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-03 18:25:31,067 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-03 18:25:31,067 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:25:30" (1/2) ... [2021-05-03 18:25:31,068 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65e19ec0 and model type misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 06:25:31, skipping insertion in model container [2021-05-03 18:25:31,068 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 06:25:31" (2/2) ... [2021-05-03 18:25:31,070 INFO L111 eAbstractionObserver]: Analyzing ICFG misc-1.wvr.bpl [2021-05-03 18:25:31,075 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-05-03 18:25:31,075 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-05-03 18:25:31,079 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-05-03 18:25:31,080 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-05-03 18:25:31,121 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-05-03 18:25:31,136 INFO L253 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 [2021-05-03 18:25:31,227 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-05-03 18:25:31,228 INFO L377 AbstractCegarLoop]: Hoare is true [2021-05-03 18:25:31,228 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-03 18:25:31,228 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-03 18:25:31,228 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-03 18:25:31,228 INFO L381 AbstractCegarLoop]: Difference is false [2021-05-03 18:25:31,228 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-03 18:25:31,228 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-03 18:25:31,309 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 18:25:31,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 18:25:31,320 INFO L82 PathProgramCache]: Analyzing trace with hash 551372010, now seen corresponding path program 1 times [2021-05-03 18:25:31,328 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 18:25:31,329 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746922451] [2021-05-03 18:25:31,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 18:25:31,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 18:25:31,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 18:25:31,633 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746922451] [2021-05-03 18:25:31,634 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-03 18:25:31,634 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-05-03 18:25:31,634 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285027171] [2021-05-03 18:25:31,638 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-05-03 18:25:31,638 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 18:25:31,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-05-03 18:25:31,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-05-03 18:25:31,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:25:31,657 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 18:25:31,666 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-03 18:25:31,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:25:31,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:25:31,950 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-05-03 18:25:31,950 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 18:25:31,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 18:25:31,950 INFO L82 PathProgramCache]: Analyzing trace with hash 2089023387, now seen corresponding path program 1 times [2021-05-03 18:25:31,951 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 18:25:31,951 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969779234] [2021-05-03 18:25:31,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 18:25:31,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 18:25:32,008 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-03 18:25:32,009 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969779234] [2021-05-03 18:25:32,009 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1745676440] [2021-05-03 18:25:32,009 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 [2021-05-03 18:25:32,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 18:25:32,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 5 conjunts are in the unsatisfiable core [2021-05-03 18:25:32,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 18:25:32,284 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 18:25:32,285 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 18:25:32,285 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2021-05-03 18:25:32,286 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928296409] [2021-05-03 18:25:32,286 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-05-03 18:25:32,286 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 18:25:32,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-05-03 18:25:32,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-05-03 18:25:32,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:25:32,288 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 18:25:32,288 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 4.75) internal successors, (38), 7 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-03 18:25:32,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:25:32,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:25:32,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:25:32,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 18:25:32,653 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 18:25:32,653 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 18:25:32,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 18:25:32,654 INFO L82 PathProgramCache]: Analyzing trace with hash 655496662, now seen corresponding path program 1 times [2021-05-03 18:25:32,654 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 18:25:32,654 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411093167] [2021-05-03 18:25:32,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 18:25:32,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 18:25:33,274 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 18:25:33,274 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411093167] [2021-05-03 18:25:33,274 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [814656056] [2021-05-03 18:25:33,275 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 [2021-05-03 18:25:33,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 18:25:33,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 29 conjunts are in the unsatisfiable core [2021-05-03 18:25:33,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 18:25:33,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2021-05-03 18:25:33,696 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 18:25:33,701 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 18:25:33,702 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 18:25:33,702 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:10 [2021-05-03 18:25:33,764 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 18:25:33,764 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 18:25:33,764 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 10] total 19 [2021-05-03 18:25:33,766 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711714881] [2021-05-03 18:25:33,768 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-05-03 18:25:33,768 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 18:25:33,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-05-03 18:25:33,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=297, Unknown=0, NotChecked=0, Total=380 [2021-05-03 18:25:33,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:25:33,772 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 18:25:33,772 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 2.35) internal successors, (47), 19 states have internal predecessors, (47), 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) [2021-05-03 18:25:33,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:25:33,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 18:25:33,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:25:34,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:25:34,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 18:25:34,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 18:25:34,697 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 18:25:34,697 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 18:25:34,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 18:25:34,698 INFO L82 PathProgramCache]: Analyzing trace with hash -488912293, now seen corresponding path program 1 times [2021-05-03 18:25:34,698 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 18:25:34,698 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512570771] [2021-05-03 18:25:34,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 18:25:34,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 18:25:34,860 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 6 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 18:25:34,860 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512570771] [2021-05-03 18:25:34,862 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1833328803] [2021-05-03 18:25:34,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 18:25:34,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 18:25:34,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 9 conjunts are in the unsatisfiable core [2021-05-03 18:25:34,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 18:25:35,068 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 15 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 18:25:35,069 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 18:25:35,069 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-05-03 18:25:35,069 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144685219] [2021-05-03 18:25:35,069 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-05-03 18:25:35,069 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 18:25:35,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-05-03 18:25:35,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-05-03 18:25:35,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:25:35,070 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 18:25:35,071 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 4.4) internal successors, (44), 9 states have internal predecessors, (44), 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) [2021-05-03 18:25:35,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:25:35,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 18:25:35,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 18:25:35,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:25:35,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:25:35,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 18:25:35,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 18:25:35,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 18:25:35,487 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 18:25:35,488 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 18:25:35,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 18:25:35,489 INFO L82 PathProgramCache]: Analyzing trace with hash -514289982, now seen corresponding path program 2 times [2021-05-03 18:25:35,489 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 18:25:35,489 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158853205] [2021-05-03 18:25:35,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 18:25:35,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 18:25:36,498 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 1 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 18:25:36,499 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158853205] [2021-05-03 18:25:36,499 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [261079828] [2021-05-03 18:25:36,499 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 18:25:36,558 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-03 18:25:36,559 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 18:25:36,562 WARN L261 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 45 conjunts are in the unsatisfiable core [2021-05-03 18:25:36,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 18:25:37,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 22 [2021-05-03 18:25:37,405 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 18:25:37,409 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 18:25:37,410 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 18:25:37,411 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:49, output treesize:10 [2021-05-03 18:25:37,456 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 18:25:37,457 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 18:25:37,457 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 18] total 35 [2021-05-03 18:25:37,457 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894428961] [2021-05-03 18:25:37,457 INFO L460 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-05-03 18:25:37,457 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 18:25:37,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-05-03 18:25:37,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=1068, Unknown=0, NotChecked=0, Total=1260 [2021-05-03 18:25:37,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:25:37,460 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 18:25:37,460 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 2.1944444444444446) internal successors, (79), 35 states have internal predecessors, (79), 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) [2021-05-03 18:25:37,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:25:37,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 18:25:37,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 18:25:37,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-03 18:25:37,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:25:38,919 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2021-05-03 18:25:40,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:25:40,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 18:25:40,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 18:25:40,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 18:25:40,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-05-03 18:25:40,856 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 18:25:40,857 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 18:25:40,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 18:25:40,857 INFO L82 PathProgramCache]: Analyzing trace with hash 1025647515, now seen corresponding path program 2 times [2021-05-03 18:25:40,858 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 18:25:40,858 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200405139] [2021-05-03 18:25:40,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 18:25:40,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 18:25:41,063 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 110 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 18:25:41,063 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200405139] [2021-05-03 18:25:41,063 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [954640222] [2021-05-03 18:25:41,063 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 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 [2021-05-03 18:25:41,115 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-03 18:25:41,115 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 18:25:41,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 17 conjunts are in the unsatisfiable core [2021-05-03 18:25:41,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 18:25:41,317 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 139 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 18:25:41,318 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 18:25:41,318 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 17 [2021-05-03 18:25:41,319 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758376340] [2021-05-03 18:25:41,321 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-05-03 18:25:41,322 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 18:25:41,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-05-03 18:25:41,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2021-05-03 18:25:41,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:25:41,323 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 18:25:41,323 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 4.444444444444445) internal successors, (80), 17 states have internal predecessors, (80), 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) [2021-05-03 18:25:41,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:25:41,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 18:25:41,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 18:25:41,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-03 18:25:41,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-05-03 18:25:41,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:25:41,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:25:41,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 18:25:41,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 18:25:41,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 18:25:41,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-05-03 18:25:41,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:25:41,917 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 18:25:41,917 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 18:25:41,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 18:25:41,918 INFO L82 PathProgramCache]: Analyzing trace with hash -76158586, now seen corresponding path program 3 times [2021-05-03 18:25:41,918 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 18:25:41,918 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331371051] [2021-05-03 18:25:41,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 18:25:41,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 18:25:45,130 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 91 proven. 289 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 18:25:45,132 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331371051] [2021-05-03 18:25:45,133 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1242829352] [2021-05-03 18:25:45,133 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 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 [2021-05-03 18:25:45,178 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2021-05-03 18:25:45,179 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 18:25:45,181 WARN L261 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 95 conjunts are in the unsatisfiable core [2021-05-03 18:25:45,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 18:25:51,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:25:51,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:25:51,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:25:51,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:25:51,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:25:51,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:25:51,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:25:51,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:25:51,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:25:51,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:25:51,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:25:51,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:25:51,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:25:51,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:25:51,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:25:51,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:25:51,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:25:51,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:25:51,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:25:51,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:25:51,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:25:51,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:25:51,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:25:51,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:25:51,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:25:51,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:25:51,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:25:51,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:25:51,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:25:51,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:25:51,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:25:51,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:25:51,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:25:51,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:25:51,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:25:51,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:25:51,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:25:51,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:25:51,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:25:51,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:25:51,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:25:51,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:25:51,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:25:51,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:25:51,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:25:51,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:25:51,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:25:51,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:25:51,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:25:51,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:25:51,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:25:51,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:25:51,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:25:51,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:25:51,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:25:51,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:25:51,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:25:51,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:25:51,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:25:51,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:25:51,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:25:51,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:25:51,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:25:51,765 INFO L244 Elim1Store]: Index analysis took 131 ms [2021-05-03 18:25:52,742 WARN L205 SmtUtils]: Spent 971.00 ms on a formula simplification that was a NOOP. DAG size: 321 [2021-05-03 18:25:52,742 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 18:25:52,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 66 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 70 case distinctions, treesize of input 136 treesize of output 768 [2021-05-03 18:25:54,043 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 5520 DAG size of output: 3452 [2021-05-03 18:25:54,746 WARN L205 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 5551 DAG size of output: 3483 [2021-05-03 18:25:54,988 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 3252 DAG size of output: 3228 [2021-05-03 18:25:55,463 WARN L205 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 2957 DAG size of output: 3105 [2021-05-03 18:25:55,875 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 2953 DAG size of output: 3053 [2021-05-03 18:25:56,349 WARN L205 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 2949 DAG size of output: 3117 [2021-05-03 18:25:56,561 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 2943 DAG size of output: 2943 [2021-05-03 18:25:56,750 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 2750 DAG size of output: 2750 [2021-05-03 18:25:57,666 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 2451 DAG size of output: 2613 [2021-05-03 18:25:57,863 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 2445 DAG size of output: 2445 [2021-05-03 18:25:57,989 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 2136 DAG size of output: 2136 [2021-05-03 18:26:01,678 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 2338 DAG size of output: 2218 [2021-05-03 18:26:02,179 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 2624 DAG size of output: 2475 [2021-05-03 18:26:02,408 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 3108 DAG size of output: 2884 [2021-05-03 18:26:03,266 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 3619 DAG size of output: 3368 [2021-05-03 18:26:03,706 WARN L205 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 4120 DAG size of output: 3866 [2021-05-03 18:26:04,199 WARN L205 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 4606 DAG size of output: 4329 [2021-05-03 18:26:05,935 WARN L205 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 5279 DAG size of output: 4859 [2021-05-03 18:26:06,731 WARN L205 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 5844 DAG size of output: 5424 [2021-05-03 18:26:07,847 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 6424 DAG size of output: 6001 [2021-05-03 18:26:09,244 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 6849 DAG size of output: 6424 [2021-05-03 18:26:10,458 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 1060 DAG size of output: 1003 [2021-05-03 18:26:11,892 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 7363 DAG size of output: 6904 [2021-05-03 18:26:13,469 WARN L205 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 7363 DAG size of output: 6904 [2021-05-03 18:26:15,306 WARN L205 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 7369 DAG size of output: 6910 [2021-05-03 18:26:18,621 WARN L205 SmtUtils]: Spent 3.19 s on a formula simplification. DAG size of input: 6706 DAG size of output: 7742 [2021-05-03 18:26:22,189 WARN L205 SmtUtils]: Spent 3.45 s on a formula simplification. DAG size of input: 6694 DAG size of output: 7515 [2021-05-03 18:26:23,661 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 6683 DAG size of output: 6661 [2021-05-03 18:26:23,801 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 979 DAG size of output: 967 [2021-05-03 18:26:25,417 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 2312 DAG size of output: 2026 [2021-05-03 18:26:25,716 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 2636 DAG size of output: 2289 [2021-05-03 18:26:31,477 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 3130 DAG size of output: 2853 [2021-05-03 18:26:31,905 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 3482 DAG size of output: 3165 [2021-05-03 18:26:32,087 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 3870 DAG size of output: 3529 [2021-05-03 18:26:32,791 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 4395 DAG size of output: 4002 [2021-05-03 18:26:33,437 WARN L205 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 6817 DAG size of output: 6294 [2021-05-03 18:26:34,305 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 2160 DAG size of output: 1849 [2021-05-03 18:26:34,632 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 2663 DAG size of output: 2280 [2021-05-03 18:26:35,438 WARN L205 SmtUtils]: Spent 777.00 ms on a formula simplification. DAG size of input: 7973 DAG size of output: 7331 [2021-05-03 18:26:36,752 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 6228 DAG size of output: 6206 [2021-05-03 18:26:37,850 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 5811 DAG size of output: 5789 [2021-05-03 18:26:38,148 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 2734 DAG size of output: 2734 [2021-05-03 18:26:39,595 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 2728 DAG size of output: 2702 [2021-05-03 18:26:39,845 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 3222 DAG size of output: 3195 [2021-05-03 18:26:40,185 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 3681 DAG size of output: 3648 [2021-05-03 18:26:40,382 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 3784 DAG size of output: 3751 [2021-05-03 18:26:40,680 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 4094 DAG size of output: 4061 [2021-05-03 18:26:40,909 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 2552 DAG size of output: 2552 [2021-05-03 18:26:42,180 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 1879 DAG size of output: 1600 [2021-05-03 18:26:42,383 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 2337 DAG size of output: 2001 [2021-05-03 18:26:42,528 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 2268 DAG size of output: 2268 [2021-05-03 18:26:42,655 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 1987 DAG size of output: 1987 [2021-05-03 18:26:43,839 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 1799 DAG size of output: 1799 [2021-05-03 18:26:49,433 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 3749 DAG size of output: 3482 [2021-05-03 18:26:49,672 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 5002 DAG size of output: 4596 [2021-05-03 18:26:50,026 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 6139 DAG size of output: 5669 [2021-05-03 18:26:50,431 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 6950 DAG size of output: 6407 [2021-05-03 18:26:50,886 WARN L205 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 7808 DAG size of output: 7168 [2021-05-03 18:26:52,312 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 2548 DAG size of output: 2497 [2021-05-03 18:26:52,504 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 2849 DAG size of output: 2798 [2021-05-03 18:26:52,715 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 3163 DAG size of output: 3111 [2021-05-03 18:26:53,319 WARN L205 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 10131 DAG size of output: 9327 [2021-05-03 18:26:54,343 WARN L205 SmtUtils]: Spent 934.00 ms on a formula simplification. DAG size of input: 11625 DAG size of output: 10669 [2021-05-03 18:26:55,371 WARN L205 SmtUtils]: Spent 894.00 ms on a formula simplification. DAG size of input: 14224 DAG size of output: 13220 [2021-05-03 18:26:55,686 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 1179 DAG size of output: 1251 [2021-05-03 18:26:57,451 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 4179 DAG size of output: 4235 [2021-05-03 18:26:57,822 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 4623 DAG size of output: 4689 [2021-05-03 18:26:57,984 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 1043 DAG size of output: 1140 [2021-05-03 18:26:58,162 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 980 DAG size of output: 985 [2021-05-03 18:26:58,311 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 973 DAG size of output: 1036 [2021-05-03 18:26:58,632 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 853 DAG size of output: 855 [2021-05-03 18:27:00,819 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 4020 DAG size of output: 3883 [2021-05-03 18:27:01,742 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 5076 DAG size of output: 4944 [2021-05-03 18:27:02,033 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 5615 DAG size of output: 5477 [2021-05-03 18:27:02,356 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 6152 DAG size of output: 6008 [2021-05-03 18:27:02,771 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 6695 DAG size of output: 6549 [2021-05-03 18:27:03,251 WARN L205 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 7165 DAG size of output: 7015 [2021-05-03 18:27:03,812 WARN L205 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 7780 DAG size of output: 7628 [2021-05-03 18:27:04,531 WARN L205 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 8380 DAG size of output: 8221 [2021-05-03 18:27:05,293 WARN L205 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 9009 DAG size of output: 8845 [2021-05-03 18:27:06,256 WARN L205 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 11234 DAG size of output: 11072 [2021-05-03 18:27:07,478 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 11925 DAG size of output: 11758 [2021-05-03 18:27:08,652 WARN L205 SmtUtils]: Spent 993.00 ms on a formula simplification. DAG size of input: 4242 DAG size of output: 5183 [2021-05-03 18:27:09,229 WARN L205 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 4152 DAG size of output: 4131 [2021-05-03 18:27:09,636 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 3714 DAG size of output: 3693 [2021-05-03 18:27:09,845 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 2286 DAG size of output: 2286 [2021-05-03 18:27:10,968 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 2423 DAG size of output: 2331 [2021-05-03 18:27:11,331 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 3348 DAG size of output: 3254 [2021-05-03 18:27:11,474 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 1995 DAG size of output: 1995 [2021-05-03 18:27:11,621 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 1803 DAG size of output: 1803 [2021-05-03 18:27:15,653 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 4223 DAG size of output: 3861 [2021-05-03 18:27:15,872 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 5267 DAG size of output: 4817 [2021-05-03 18:27:16,829 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 5890 DAG size of output: 5384 [2021-05-03 18:27:18,066 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 6718 DAG size of output: 6097 [2021-05-03 18:27:18,574 WARN L205 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 9209 DAG size of output: 8440 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown