/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-None-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/buffer-mult-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-09 20:54:54,788 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-09 20:54:54,794 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-09 20:54:54,815 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-09 20:54:54,815 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-09 20:54:54,816 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-09 20:54:54,824 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-09 20:54:54,830 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-09 20:54:54,831 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-09 20:54:54,836 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-09 20:54:54,837 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-09 20:54:54,837 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2021-07-09 20:54:54,870 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-09 20:54:54,870 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-09 20:54:54,871 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-09 20:54:54,871 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-09 20:54:54,872 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-09 20:54:54,872 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-09 20:54:54,872 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-09 20:54:54,873 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-09 20:54:54,873 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-09 20:54:54,874 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-09 20:54:54,874 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-09 20:54:54,874 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-09 20:54:54,874 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-09 20:54:54,875 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-09 20:54:54,875 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-09 20:54:54,875 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-09 20:54:54,889 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-None-NoLbe.epf [2021-07-09 20:54:54,915 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-09 20:54:54,915 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-09 20:54:54,916 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-09 20:54:54,916 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-09 20:54:54,918 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-09 20:54:54,918 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-09 20:54:54,918 INFO L138 SettingsManager]: * Use SBE=true [2021-07-09 20:54:54,918 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-09 20:54:54,918 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-09 20:54:54,918 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-09 20:54:54,919 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-09 20:54:54,919 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-09 20:54:54,919 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-09 20:54:54,919 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-09 20:54:54,919 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-09 20:54:54,919 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-09 20:54:54,919 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-09 20:54:54,919 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-09 20:54:54,920 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-09 20:54:54,920 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-09 20:54:54,920 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-09 20:54:54,920 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-09 20:54:54,920 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-09 20:54:54,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-09 20:54:54,920 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-09 20:54:54,920 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-09 20:54:54,920 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-09 20:54:54,921 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-09 20:54:54,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-09 20:54:54,921 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-09 20:54:54,921 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-09 20:54:54,921 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-09 20:54:54,921 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-09 20:54:55,256 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-09 20:54:55,271 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-09 20:54:55,273 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-09 20:54:55,273 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-09 20:54:55,274 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-09 20:54:55,275 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/buffer-mult-alt.wvr.bpl [2021-07-09 20:54:55,275 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/buffer-mult-alt.wvr.bpl' [2021-07-09 20:54:55,293 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-09 20:54:55,294 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-09 20:54:55,295 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-09 20:54:55,295 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-09 20:54:55,295 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-09 20:54:55,307 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 08:54:55" (1/1) ... [2021-07-09 20:54:55,313 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 08:54:55" (1/1) ... [2021-07-09 20:54:55,319 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-09 20:54:55,320 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-09 20:54:55,321 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-09 20:54:55,321 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-09 20:54:55,326 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 08:54:55" (1/1) ... [2021-07-09 20:54:55,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 08:54:55" (1/1) ... [2021-07-09 20:54:55,328 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 08:54:55" (1/1) ... [2021-07-09 20:54:55,328 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 08:54:55" (1/1) ... [2021-07-09 20:54:55,335 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 08:54:55" (1/1) ... [2021-07-09 20:54:55,338 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 08:54:55" (1/1) ... [2021-07-09 20:54:55,339 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 08:54:55" (1/1) ... [2021-07-09 20:54:55,340 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-09 20:54:55,340 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-09 20:54:55,341 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-09 20:54:55,341 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-09 20:54:55,342 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 08:54:55" (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 [2021-07-09 20:54:55,388 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-09 20:54:55,389 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-09 20:54:55,389 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-09 20:54:55,389 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-09 20:54:55,389 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-09 20:54:55,389 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-09 20:54:55,389 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-09 20:54:55,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-09 20:54:55,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-09 20:54:55,390 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-09 20:54:55,391 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-09 20:54:55,391 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-09 20:54:55,391 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-07-09 20:54:55,391 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-07-09 20:54:55,391 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-07-09 20:54:55,392 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-09 20:54:55,615 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-09 20:54:55,616 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-09 20:54:55,617 INFO L202 PluginConnector]: Adding new model buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.07 08:54:55 BoogieIcfgContainer [2021-07-09 20:54:55,617 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-09 20:54:55,618 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-09 20:54:55,618 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-09 20:54:55,620 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-09 20:54:55,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 08:54:55" (1/2) ... [2021-07-09 20:54:55,621 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36e05c5f and model type buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.07 08:54:55, skipping insertion in model container [2021-07-09 20:54:55,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.07 08:54:55" (2/2) ... [2021-07-09 20:54:55,622 INFO L111 eAbstractionObserver]: Analyzing ICFG buffer-mult-alt.wvr.bpl [2021-07-09 20:54:55,625 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-09 20:54:55,625 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-09 20:54:55,626 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-09 20:54:55,626 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-09 20:54:55,676 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-07-09 20:54:55,691 INFO L255 AbstractCegarLoop]: Starting to check reachability of 5 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 [2021-07-09 20:54:55,775 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-09 20:54:55,775 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-09 20:54:55,775 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-09 20:54:55,775 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-09 20:54:55,777 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-09 20:54:55,777 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-09 20:54:55,777 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-09 20:54:55,777 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-09 20:54:55,785 INFO L110 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 44 places, 35 transitions, 102 flow [2021-07-09 20:54:55,832 INFO L132 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 635 states, 634 states have (on average 3.889589905362776) internal successors, (2466), 634 states have internal predecessors, (2466), 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) [2021-07-09 20:54:55,846 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 20:54:55,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 20:54:55,852 INFO L82 PathProgramCache]: Analyzing trace with hash 1802451118, now seen corresponding path program 1 times [2021-07-09 20:54:55,860 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 20:54:55,861 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053702064] [2021-07-09 20:54:55,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 20:54:55,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 20:54:56,039 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-09 20:54:56,040 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 20:54:56,040 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053702064] [2021-07-09 20:54:56,040 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053702064] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:54:56,041 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [305473152] [2021-07-09 20:54:56,041 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 [2021-07-09 20:54:56,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 20:54:56,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 8 conjunts are in the unsatisfiable core [2021-07-09 20:54:56,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 20:54:56,247 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-09 20:54:56,247 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [305473152] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:54:56,247 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 20:54:56,247 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 6] total 9 [2021-07-09 20:54:56,249 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413889843] [2021-07-09 20:54:56,251 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-09 20:54:56,252 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 20:54:56,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-09 20:54:56,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-07-09 20:54:56,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:54:56,262 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 20:54:56,262 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 5.8) internal successors, (58), 9 states have internal predecessors, (58), 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) [2021-07-09 20:54:56,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:54:56,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 20:54:56,728 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-07-09 20:54:56,729 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 20:54:56,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 20:54:56,730 INFO L82 PathProgramCache]: Analyzing trace with hash 1939393916, now seen corresponding path program 2 times [2021-07-09 20:54:56,730 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 20:54:56,730 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339638740] [2021-07-09 20:54:56,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 20:54:56,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 20:54:56,793 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 5 proven. 17 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-07-09 20:54:56,793 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 20:54:56,793 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339638740] [2021-07-09 20:54:56,793 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339638740] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:54:56,793 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [252450948] [2021-07-09 20:54:56,794 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 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 [2021-07-09 20:54:56,863 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-09 20:54:56,864 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 20:54:56,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-09 20:54:56,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 20:54:56,983 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 21 proven. 1 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-07-09 20:54:56,984 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [252450948] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:54:56,984 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 20:54:56,984 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-07-09 20:54:56,984 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810645270] [2021-07-09 20:54:56,985 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-09 20:54:56,985 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 20:54:56,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-09 20:54:56,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-07-09 20:54:56,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:54:56,990 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 20:54:56,990 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 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) [2021-07-09 20:54:56,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-09 20:54:56,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:54:57,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 20:54:57,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-09 20:54:57,239 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 20:54:57,239 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 20:54:57,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 20:54:57,240 INFO L82 PathProgramCache]: Analyzing trace with hash 1375046407, now seen corresponding path program 3 times [2021-07-09 20:54:57,241 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 20:54:57,241 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694392259] [2021-07-09 20:54:57,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 20:54:57,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 20:54:57,355 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 34 proven. 18 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-07-09 20:54:57,355 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 20:54:57,356 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694392259] [2021-07-09 20:54:57,356 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694392259] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:54:57,356 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1218562171] [2021-07-09 20:54:57,356 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 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 [2021-07-09 20:54:57,414 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-07-09 20:54:57,414 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 20:54:57,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 10 conjunts are in the unsatisfiable core [2021-07-09 20:54:57,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 20:54:57,546 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 43 proven. 9 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-07-09 20:54:57,546 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1218562171] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:54:57,546 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 20:54:57,547 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-07-09 20:54:57,547 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34717760] [2021-07-09 20:54:57,547 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-09 20:54:57,547 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 20:54:57,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-09 20:54:57,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2021-07-09 20:54:57,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:54:57,548 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 20:54:57,548 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 8 states have internal predecessors, (55), 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) [2021-07-09 20:54:57,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-09 20:54:57,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-09 20:54:57,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:54:57,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 20:54:57,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-09 20:54:57,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 20:54:57,809 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 20:54:57,809 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 20:54:57,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 20:54:57,810 INFO L82 PathProgramCache]: Analyzing trace with hash -1751617097, now seen corresponding path program 4 times [2021-07-09 20:54:57,810 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 20:54:57,810 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061021722] [2021-07-09 20:54:57,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 20:54:57,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 20:54:58,345 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 20:54:58,348 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 20:54:58,348 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061021722] [2021-07-09 20:54:58,348 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061021722] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:54:58,348 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [303787366] [2021-07-09 20:54:58,348 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 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 [2021-07-09 20:54:58,396 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-09 20:54:58,396 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 20:54:58,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 57 conjunts are in the unsatisfiable core [2021-07-09 20:54:58,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 20:54:59,727 INFO L354 Elim1Store]: treesize reduction 170, result has 0.6 percent of original size [2021-07-09 20:54:59,727 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 288 treesize of output 178 [2021-07-09 20:54:59,760 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 20:55:00,002 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 24 [2021-07-09 20:55:00,003 INFO L628 ElimStorePlain]: treesize reduction 1239, result has 2.7 percent of original size [2021-07-09 20:55:00,004 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 20:55:00,004 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:288, output treesize:35 [2021-07-09 20:55:00,193 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-07-09 20:55:00,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 75 treesize of output 35 [2021-07-09 20:55:00,198 INFO L550 ElimStorePlain]: Start of recursive call 2: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-07-09 20:55:00,204 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 20:55:00,206 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-07-09 20:55:00,206 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:35 [2021-07-09 20:55:00,252 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 20:55:00,252 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [303787366] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:55:00,253 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 20:55:00,253 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 38 [2021-07-09 20:55:00,253 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673241621] [2021-07-09 20:55:00,253 INFO L462 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-07-09 20:55:00,253 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 20:55:00,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-07-09 20:55:00,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=1385, Unknown=0, NotChecked=0, Total=1482 [2021-07-09 20:55:00,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:55:00,254 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 20:55:00,254 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 3.1025641025641026) internal successors, (121), 38 states have internal predecessors, (121), 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) [2021-07-09 20:55:00,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-09 20:55:00,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-09 20:55:00,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 20:55:00,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:55:01,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 20:55:01,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-09 20:55:01,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 20:55:01,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:55:02,144 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 20:55:02,144 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 20:55:02,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 20:55:02,145 INFO L82 PathProgramCache]: Analyzing trace with hash 320158954, now seen corresponding path program 5 times [2021-07-09 20:55:02,145 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 20:55:02,145 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814883168] [2021-07-09 20:55:02,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 20:55:02,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 20:55:02,226 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 23 proven. 16 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2021-07-09 20:55:02,226 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 20:55:02,226 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814883168] [2021-07-09 20:55:02,226 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814883168] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:55:02,227 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [794448272] [2021-07-09 20:55:02,227 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 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 [2021-07-09 20:55:02,285 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-07-09 20:55:02,285 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 20:55:02,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 16 conjunts are in the unsatisfiable core [2021-07-09 20:55:02,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 20:55:02,516 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 67 proven. 74 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-07-09 20:55:02,516 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [794448272] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:55:02,516 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 20:55:02,516 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9] total 14 [2021-07-09 20:55:02,517 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387127232] [2021-07-09 20:55:02,517 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-09 20:55:02,517 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 20:55:02,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-09 20:55:02,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2021-07-09 20:55:02,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:55:02,517 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 20:55:02,518 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 6.666666666666667) internal successors, (100), 14 states have internal predecessors, (100), 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) [2021-07-09 20:55:02,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-09 20:55:02,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-09 20:55:02,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 20:55:02,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:55:02,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:55:02,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 20:55:02,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-09 20:55:02,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 20:55:02,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:55:02,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-09 20:55:02,914 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 20:55:02,915 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 20:55:02,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 20:55:02,915 INFO L82 PathProgramCache]: Analyzing trace with hash 1251639173, now seen corresponding path program 6 times [2021-07-09 20:55:02,915 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 20:55:02,915 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150575873] [2021-07-09 20:55:02,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 20:55:02,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 20:55:03,027 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 110 proven. 81 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2021-07-09 20:55:03,027 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 20:55:03,027 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150575873] [2021-07-09 20:55:03,027 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150575873] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:55:03,027 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [269368219] [2021-07-09 20:55:03,027 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 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 [2021-07-09 20:55:03,124 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2021-07-09 20:55:03,124 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 20:55:03,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-09 20:55:03,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 20:55:03,276 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 127 proven. 64 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2021-07-09 20:55:03,276 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [269368219] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:55:03,276 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 20:55:03,277 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 12 [2021-07-09 20:55:03,277 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537140465] [2021-07-09 20:55:03,277 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-09 20:55:03,277 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 20:55:03,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-09 20:55:03,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=87, Unknown=0, NotChecked=0, Total=156 [2021-07-09 20:55:03,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:55:03,278 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 20:55:03,278 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 5.846153846153846) internal successors, (76), 12 states have internal predecessors, (76), 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) [2021-07-09 20:55:03,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-09 20:55:03,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-09 20:55:03,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 20:55:03,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:55:03,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-09 20:55:03,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:55:03,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 20:55:03,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-09 20:55:03,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 20:55:03,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:55:03,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-09 20:55:03,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 20:55:03,577 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 20:55:03,577 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 20:55:03,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 20:55:03,577 INFO L82 PathProgramCache]: Analyzing trace with hash -97770333, now seen corresponding path program 7 times [2021-07-09 20:55:03,578 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 20:55:03,578 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917166389] [2021-07-09 20:55:03,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 20:55:03,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 20:55:04,660 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 305 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 20:55:04,661 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 20:55:04,661 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917166389] [2021-07-09 20:55:04,661 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917166389] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:55:04,661 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1752199906] [2021-07-09 20:55:04,661 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 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 [2021-07-09 20:55:04,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 20:55:04,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 93 conjunts are in the unsatisfiable core [2021-07-09 20:55:04,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 20:55:06,424 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2021-07-09 20:55:06,898 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2021-07-09 20:55:07,296 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2021-07-09 20:55:07,683 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2021-07-09 20:55:08,092 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2021-07-09 20:55:08,531 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2021-07-09 20:55:08,944 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2021-07-09 20:55:09,377 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2021-07-09 20:55:09,802 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2021-07-09 20:55:10,238 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2021-07-09 20:55:10,336 INFO L354 Elim1Store]: treesize reduction 522, result has 0.2 percent of original size [2021-07-09 20:55:10,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 740 treesize of output 474 [2021-07-09 20:55:12,445 WARN L205 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 6074 DAG size of output: 6074 [2021-07-09 20:55:14,289 WARN L205 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 6074 DAG size of output: 6074 [2021-07-09 20:55:16,153 WARN L205 SmtUtils]: Spent 1.83 s on a formula simplification that was a NOOP. DAG size: 6074 [2021-07-09 20:55:16,168 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 21:00:13,760 WARN L205 SmtUtils]: Spent 4.96 m on a formula simplification. DAG size of input: 6074 DAG size of output: 36 [2021-07-09 21:00:13,760 INFO L628 ElimStorePlain]: treesize reduction 70871, result has 0.1 percent of original size [2021-07-09 21:00:13,761 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 21:00:13,761 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:740, output treesize:57 [2021-07-09 21:00:14,424 INFO L354 Elim1Store]: treesize reduction 112, result has 0.9 percent of original size [2021-07-09 21:00:14,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 173 treesize of output 65 [2021-07-09 21:00:14,437 INFO L550 ElimStorePlain]: Start of recursive call 2: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-07-09 21:00:14,447 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:00:14,463 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-07-09 21:00:14,464 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:173, output treesize:65 [2021-07-09 21:00:14,589 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 305 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 21:00:14,590 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1752199906] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 21:00:14,590 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 21:00:14,590 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32] total 62 [2021-07-09 21:00:14,590 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101209217] [2021-07-09 21:00:14,591 INFO L462 AbstractCegarLoop]: Interpolant automaton has 63 states [2021-07-09 21:00:14,591 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 21:00:14,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2021-07-09 21:00:14,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=169, Invalid=3737, Unknown=0, NotChecked=0, Total=3906 [2021-07-09 21:00:14,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 21:00:14,592 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 21:00:14,592 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 63 states, 63 states have (on average 2.873015873015873) internal successors, (181), 62 states have internal predecessors, (181), 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) [2021-07-09 21:00:14,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-09 21:00:14,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-09 21:00:14,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 21:00:14,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 21:00:14,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-09 21:00:14,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-09 21:00:14,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 21:00:17,413 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 66 [2021-07-09 21:00:19,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 21:00:19,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-09 21:00:19,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 21:00:19,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 21:00:19,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-09 21:00:19,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 21:00:19,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-09 21:00:19,723 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-07-09 21:00:19,724 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 21:00:19,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 21:00:19,724 INFO L82 PathProgramCache]: Analyzing trace with hash -493908970, now seen corresponding path program 8 times [2021-07-09 21:00:19,724 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 21:00:19,724 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706227486] [2021-07-09 21:00:19,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 21:00:19,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 21:00:19,835 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 52 proven. 36 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2021-07-09 21:00:19,835 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 21:00:19,836 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706227486] [2021-07-09 21:00:19,836 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706227486] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 21:00:19,836 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1865120847] [2021-07-09 21:00:19,836 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 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 [2021-07-09 21:00:19,919 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-09 21:00:19,920 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 21:00:19,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 24 conjunts are in the unsatisfiable core [2021-07-09 21:00:19,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 21:00:20,141 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 149 proven. 182 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2021-07-09 21:00:20,142 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1865120847] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 21:00:20,142 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 21:00:20,142 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 13] total 20 [2021-07-09 21:00:20,142 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620817696] [2021-07-09 21:00:20,142 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-09 21:00:20,142 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 21:00:20,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-09 21:00:20,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=300, Unknown=0, NotChecked=0, Total=420 [2021-07-09 21:00:20,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 21:00:20,143 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 21:00:20,143 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 6.190476190476191) internal successors, (130), 20 states have internal predecessors, (130), 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) [2021-07-09 21:00:20,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-09 21:00:20,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-09 21:00:20,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 21:00:20,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 21:00:20,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-09 21:00:20,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-09 21:00:20,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-09 21:00:20,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 21:00:20,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 21:00:20,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-09 21:00:20,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 21:00:20,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 21:00:20,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-09 21:00:20,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 21:00:20,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-09 21:00:20,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-09 21:00:20,641 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 21:00:20,642 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 21:00:20,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 21:00:20,642 INFO L82 PathProgramCache]: Analyzing trace with hash -2038458383, now seen corresponding path program 9 times [2021-07-09 21:00:20,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 21:00:20,643 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357572416] [2021-07-09 21:00:20,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 21:00:20,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 21:00:20,794 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 236 proven. 169 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-07-09 21:00:20,794 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 21:00:20,794 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357572416] [2021-07-09 21:00:20,794 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357572416] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 21:00:20,794 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [542423512] [2021-07-09 21:00:20,794 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 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 [2021-07-09 21:00:20,863 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2021-07-09 21:00:20,863 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 21:00:20,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 121 conjunts are in the unsatisfiable core [2021-07-09 21:00:20,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 21:00:22,665 WARN L205 SmtUtils]: Spent 531.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2021-07-09 21:00:23,407 WARN L205 SmtUtils]: Spent 536.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2021-07-09 21:00:24,124 WARN L205 SmtUtils]: Spent 538.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2021-07-09 21:00:24,822 WARN L205 SmtUtils]: Spent 535.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2021-07-09 21:00:25,590 WARN L205 SmtUtils]: Spent 548.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2021-07-09 21:00:26,312 WARN L205 SmtUtils]: Spent 543.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2021-07-09 21:00:27,045 WARN L205 SmtUtils]: Spent 550.00 ms on a formula simplification that was a NOOP. DAG size: 249 [2021-07-09 21:00:27,765 WARN L205 SmtUtils]: Spent 532.00 ms on a formula simplification that was a NOOP. DAG size: 251 [2021-07-09 21:00:28,496 WARN L205 SmtUtils]: Spent 535.00 ms on a formula simplification that was a NOOP. DAG size: 253 [2021-07-09 21:00:29,280 WARN L205 SmtUtils]: Spent 555.00 ms on a formula simplification that was a NOOP. DAG size: 256 [2021-07-09 21:00:29,967 WARN L205 SmtUtils]: Spent 471.00 ms on a formula simplification that was a NOOP. DAG size: 259 [2021-07-09 21:00:30,693 WARN L205 SmtUtils]: Spent 468.00 ms on a formula simplification that was a NOOP. DAG size: 262 [2021-07-09 21:00:30,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:00:30,982 INFO L244 Elim1Store]: Index analysis took 151 ms [2021-07-09 21:00:31,234 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-07-09 21:00:31,234 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:00:31,235 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 20 select indices, 20 select index equivalence classes, 154 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 36 case distinctions, treesize of input 1214 treesize of output 1200 [2021-07-09 21:00:33,506 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 944 DAG size of output: 944 [2021-07-09 21:00:33,903 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 944 DAG size of output: 944 [2021-07-09 21:00:34,216 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 908 DAG size of output: 908 [2021-07-09 21:00:34,519 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 875 DAG size of output: 875 [2021-07-09 21:00:34,752 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 844 DAG size of output: 844 [2021-07-09 21:00:34,927 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 757 DAG size of output: 757 [2021-07-09 21:00:35,613 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 2004 DAG size of output: 2004 [2021-07-09 21:00:36,365 WARN L205 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 2362 DAG size of output: 2362 [2021-07-09 21:00:37,552 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 2723 DAG size of output: 2723 [2021-07-09 21:00:39,196 WARN L205 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 3085 DAG size of output: 3085 [2021-07-09 21:00:40,916 WARN L205 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 3105 DAG size of output: 3105 [2021-07-09 21:00:43,340 WARN L205 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 3471 DAG size of output: 3471 [2021-07-09 21:00:46,472 WARN L205 SmtUtils]: Spent 2.96 s on a formula simplification. DAG size of input: 3839 DAG size of output: 3839 [2021-07-09 21:00:50,383 WARN L205 SmtUtils]: Spent 3.73 s on a formula simplification. DAG size of input: 4210 DAG size of output: 4210 [2021-07-09 21:00:53,994 WARN L205 SmtUtils]: Spent 3.57 s on a formula simplification. DAG size of input: 4210 DAG size of output: 4210 [2021-07-09 21:00:58,157 WARN L205 SmtUtils]: Spent 3.96 s on a formula simplification. DAG size of input: 4250 DAG size of output: 4250 [2021-07-09 21:01:03,681 WARN L205 SmtUtils]: Spent 5.45 s on a formula simplification. DAG size of input: 4250 DAG size of output: 4260 [2021-07-09 21:01:08,799 WARN L205 SmtUtils]: Spent 4.92 s on a formula simplification. DAG size of input: 4219 DAG size of output: 4241 [2021-07-09 21:01:13,438 WARN L205 SmtUtils]: Spent 4.54 s on a formula simplification. DAG size of input: 4198 DAG size of output: 4203 [2021-07-09 21:01:14,222 WARN L205 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 4188 DAG size of output: 4188 [2021-07-09 21:01:14,369 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 763 DAG size of output: 763 [2021-07-09 21:01:14,913 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 1652 DAG size of output: 1652 [2021-07-09 21:01:15,547 WARN L205 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 2011 DAG size of output: 2011 [2021-07-09 21:01:16,591 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 2371 DAG size of output: 2371 [2021-07-09 21:01:18,110 WARN L205 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 2733 DAG size of output: 2733 [2021-07-09 21:01:20,121 WARN L205 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 3099 DAG size of output: 3099 [2021-07-09 21:01:21,060 WARN L205 SmtUtils]: Spent 872.00 ms on a formula simplification. DAG size of input: 3822 DAG size of output: 3822 [2021-07-09 21:01:21,322 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 756 DAG size of output: 756 [2021-07-09 21:01:21,473 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 751 DAG size of output: 751 [2021-07-09 21:01:21,606 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 746 DAG size of output: 746 [2021-07-09 21:01:22,050 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 2004 DAG size of output: 2004 [2021-07-09 21:01:22,760 WARN L205 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 2362 DAG size of output: 2362 [2021-07-09 21:01:23,894 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 2722 DAG size of output: 2722 [2021-07-09 21:01:25,598 WARN L205 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 3084 DAG size of output: 3084 [2021-07-09 21:01:27,271 WARN L205 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 3100 DAG size of output: 3100 [2021-07-09 21:01:28,060 WARN L205 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 3114 DAG size of output: 3114 [2021-07-09 21:01:28,304 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 746 DAG size of output: 746 [2021-07-09 21:01:28,801 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 2004 DAG size of output: 2004 [2021-07-09 21:01:29,508 WARN L205 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 2362 DAG size of output: 2362 [2021-07-09 21:01:30,737 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 2722 DAG size of output: 2722 [2021-07-09 21:01:31,442 WARN L205 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 2739 DAG size of output: 2739 [2021-07-09 21:01:31,989 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 2004 DAG size of output: 2004 [2021-07-09 21:01:32,695 WARN L205 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 2362 DAG size of output: 2362 [2021-07-09 21:01:33,205 WARN L205 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 2023 DAG size of output: 2023 [2021-07-09 21:01:33,824 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 2004 DAG size of output: 2004 [2021-07-09 21:01:35,900 WARN L205 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 4675 DAG size of output: 4675 [2021-07-09 21:01:36,063 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 746 DAG size of output: 746 [2021-07-09 21:01:36,207 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 741 DAG size of output: 741 [2021-07-09 21:01:36,640 WARN L205 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 2004 DAG size of output: 2004 [2021-07-09 21:01:37,349 WARN L205 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 2362 DAG size of output: 2362 [2021-07-09 21:01:43,508 WARN L205 SmtUtils]: Spent 6.13 s on a formula simplification. DAG size of input: 7666 DAG size of output: 7666 [2021-07-09 21:01:53,955 WARN L205 SmtUtils]: Spent 10.35 s on a formula simplification. DAG size of input: 8841 DAG size of output: 8841 [2021-07-09 21:01:54,156 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 765 DAG size of output: 765 [2021-07-09 21:01:54,438 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 754 DAG size of output: 754 [2021-07-09 21:01:54,611 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 748 DAG size of output: 748 [2021-07-09 21:01:57,205 WARN L205 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 5339 DAG size of output: 5346 [2021-07-09 21:02:01,870 WARN L205 SmtUtils]: Spent 4.58 s on a formula simplification. DAG size of input: 5699 DAG size of output: 5706 [2021-07-09 21:02:09,126 WARN L205 SmtUtils]: Spent 7.18 s on a formula simplification. DAG size of input: 6062 DAG size of output: 6069 [2021-07-09 21:02:16,040 WARN L205 SmtUtils]: Spent 6.84 s on a formula simplification. DAG size of input: 6074 DAG size of output: 6081 [2021-07-09 21:02:25,432 WARN L205 SmtUtils]: Spent 9.33 s on a formula simplification. DAG size of input: 6442 DAG size of output: 6449 [2021-07-09 21:02:50,116 WARN L205 SmtUtils]: Spent 24.60 s on a formula simplification. DAG size of input: 16670 DAG size of output: 16674 [2021-07-09 21:03:23,086 WARN L205 SmtUtils]: Spent 32.79 s on a formula simplification. DAG size of input: 18863 DAG size of output: 18865 [2021-07-09 21:04:06,409 WARN L205 SmtUtils]: Spent 43.13 s on a formula simplification. DAG size of input: 19897 DAG size of output: 19902 [2021-07-09 21:05:00,111 WARN L205 SmtUtils]: Spent 53.45 s on a formula simplification. DAG size of input: 22416 DAG size of output: 22421 [2021-07-09 21:05:54,080 WARN L205 SmtUtils]: Spent 53.73 s on a formula simplification. DAG size of input: 22467 DAG size of output: 22469 [2021-07-09 21:06:47,837 WARN L205 SmtUtils]: Spent 53.51 s on a formula simplification. DAG size of input: 22467 DAG size of output: 22469 [2021-07-09 21:07:46,403 WARN L205 SmtUtils]: Spent 57.43 s on a formula simplification. DAG size of input: 22516 DAG size of output: 22518 [2021-07-09 21:07:50,445 WARN L205 SmtUtils]: Spent 3.82 s on a formula simplification that was a NOOP. DAG size: 22497 [2021-07-09 21:07:58,619 WARN L205 SmtUtils]: Spent 7.93 s on a formula simplification. DAG size of input: 22498 DAG size of output: 22510 [2021-07-09 21:08:00,136 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 311 [2021-07-09 21:08:00,538 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 364 [2021-07-09 21:08:01,518 WARN L205 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 478 DAG size of output: 450 [2021-07-09 21:08:12,062 WARN L205 SmtUtils]: Spent 10.34 s on a formula simplification. DAG size of input: 19933 DAG size of output: 19943 [2021-07-09 21:08:19,177 WARN L205 SmtUtils]: Spent 6.90 s on a formula simplification. DAG size of input: 3852 DAG size of output: 3872 [2021-07-09 21:08:19,898 WARN L205 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 3828 DAG size of output: 3830 [2021-07-09 21:08:22,714 WARN L205 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 3481 DAG size of output: 3492 [2021-07-09 21:08:25,398 WARN L205 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 3469 DAG size of output: 3475 [2021-07-09 21:08:26,668 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 3428 DAG size of output: 3430 [2021-07-09 21:08:28,965 WARN L205 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 3413 DAG size of output: 3414 [2021-07-09 21:08:29,632 WARN L205 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 3406 DAG size of output: 3406 [2021-07-09 21:08:30,144 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 2004 DAG size of output: 2004 [2021-07-09 21:08:30,580 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 2003 DAG size of output: 2003 [2021-07-09 21:08:31,031 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 2004 DAG size of output: 2004 [2021-07-09 21:08:33,390 WARN L205 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 5337 DAG size of output: 5344 [2021-07-09 21:08:33,884 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 2004 DAG size of output: 2004 [2021-07-09 21:08:34,222 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 1672 [2021-07-09 21:08:35,932 WARN L205 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 4322 DAG size of output: 4322 [2021-07-09 21:08:41,980 WARN L205 SmtUtils]: Spent 5.99 s on a formula simplification. DAG size of input: 12705 DAG size of output: 12712 [2021-07-09 21:08:54,725 WARN L205 SmtUtils]: Spent 12.61 s on a formula simplification. DAG size of input: 13731 DAG size of output: 13736 [2021-07-09 21:09:07,519 WARN L205 SmtUtils]: Spent 12.65 s on a formula simplification. DAG size of input: 13740 DAG size of output: 13745 [2021-07-09 21:09:07,951 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 3428 [2021-07-09 21:09:08,460 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 1123 DAG size of output: 1123 [2021-07-09 21:09:09,016 WARN L205 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 3068 DAG size of output: 3067 [2021-07-09 21:09:09,477 WARN L205 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 2704 [2021-07-09 21:09:10,301 WARN L205 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 2698 DAG size of output: 2691 [2021-07-09 21:09:10,616 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 726 DAG size of output: 722 [2021-07-09 21:09:11,999 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 3064 DAG size of output: 3060 [2021-07-09 21:09:14,058 WARN L205 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 3784 DAG size of output: 3780 Received shutdown request... [2021-07-09 21:09:35,081 WARN L205 SmtUtils]: Spent 20.97 s on a formula simplification. DAG size of input: 16285 DAG size of output: 16284 Cannot interrupt operation gracefully because timeout expired. Forcing shutdown