/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sorted.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 02:37:34,934 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 02:37:34,936 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 02:37:34,975 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-10 02:37:35,033 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe.epf [2021-07-10 02:37:35,076 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 02:37:35,076 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 02:37:35,076 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 02:37:35,077 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 02:37:35,079 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 02:37:35,079 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 02:37:35,079 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 02:37:35,079 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 02:37:35,080 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 02:37:35,080 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 02:37:35,080 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 02:37:35,081 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 02:37:35,081 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 02:37:35,081 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 02:37:35,081 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 02:37:35,081 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 02:37:35,081 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 02:37:35,081 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 02:37:35,082 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 02:37:35,082 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 02:37:35,082 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 02:37:35,082 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 02:37:35,082 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 02:37:35,082 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 02:37:35,082 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 02:37:35,083 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 02:37:35,083 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 02:37:35,083 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 02:37:35,083 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 02:37:35,083 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 02:37:35,083 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 02:37:35,083 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 02:37:35,084 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-07-10 02:37:35,084 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 02:37:35,366 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 02:37:35,383 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 02:37:35,385 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 02:37:35,386 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-10 02:37:35,387 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-10 02:37:35,387 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sorted.wvr.bpl [2021-07-10 02:37:35,388 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sorted.wvr.bpl' [2021-07-10 02:37:35,418 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 02:37:35,420 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-10 02:37:35,421 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 02:37:35,422 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 02:37:35,422 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 02:37:35,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:37:35" (1/1) ... [2021-07-10 02:37:35,440 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:37:35" (1/1) ... [2021-07-10 02:37:35,447 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 02:37:35,453 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 02:37:35,453 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 02:37:35,453 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 02:37:35,460 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:37:35" (1/1) ... [2021-07-10 02:37:35,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:37:35" (1/1) ... [2021-07-10 02:37:35,461 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:37:35" (1/1) ... [2021-07-10 02:37:35,462 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:37:35" (1/1) ... [2021-07-10 02:37:35,466 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:37:35" (1/1) ... [2021-07-10 02:37:35,470 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:37:35" (1/1) ... [2021-07-10 02:37:35,470 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:37:35" (1/1) ... [2021-07-10 02:37:35,474 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 02:37:35,477 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 02:37:35,477 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 02:37:35,477 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 02:37:35,479 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:37:35" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 02:37:35,530 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-10 02:37:35,530 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 02:37:35,530 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 02:37:35,530 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-10 02:37:35,531 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 02:37:35,531 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 02:37:35,531 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-10 02:37:35,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 02:37:35,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 02:37:35,531 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-10 02:37:35,531 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-10 02:37:35,531 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-10 02:37:35,532 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-10 02:37:35,731 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 02:37:35,750 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-10 02:37:35,752 INFO L202 PluginConnector]: Adding new model sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 02:37:35 BoogieIcfgContainer [2021-07-10 02:37:35,752 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 02:37:35,754 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 02:37:35,754 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 02:37:35,756 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 02:37:35,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:37:35" (1/2) ... [2021-07-10 02:37:35,757 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42b0fcb4 and model type sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 02:37:35, skipping insertion in model container [2021-07-10 02:37:35,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 02:37:35" (2/2) ... [2021-07-10 02:37:35,758 INFO L111 eAbstractionObserver]: Analyzing ICFG sorted.wvr.bpl [2021-07-10 02:37:35,763 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 02:37:35,763 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 02:37:35,763 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 02:37:35,764 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 02:37:35,814 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-07-10 02:37:35,833 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-10 02:37:35,882 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 02:37:35,882 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 02:37:35,883 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 02:37:35,883 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 02:37:35,883 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 02:37:35,883 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 02:37:35,883 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 02:37:35,883 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 02:37:35,924 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 02:37:35,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 02:37:35,929 INFO L82 PathProgramCache]: Analyzing trace with hash -2121696184, now seen corresponding path program 1 times [2021-07-10 02:37:35,936 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 02:37:35,936 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113959805] [2021-07-10 02:37:35,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 02:37:36,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 02:37:36,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 02:37:36,106 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 02:37:36,106 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113959805] [2021-07-10 02:37:36,107 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113959805] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 02:37:36,107 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 02:37:36,107 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-10 02:37:36,108 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846783829] [2021-07-10 02:37:36,112 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-10 02:37:36,112 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 02:37:36,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-10 02:37:36,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-07-10 02:37:36,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:37:36,134 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 02:37:36,146 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 02:37:36,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:37:36,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 02:37:36,199 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 02:37:36,199 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 02:37:36,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 02:37:36,202 INFO L82 PathProgramCache]: Analyzing trace with hash 1338925798, now seen corresponding path program 1 times [2021-07-10 02:37:36,203 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 02:37:36,203 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747447796] [2021-07-10 02:37:36,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 02:37:36,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 02:37:36,344 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 02:37:36,344 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 02:37:36,344 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747447796] [2021-07-10 02:37:36,345 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747447796] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:37:36,345 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [554556024] [2021-07-10 02:37:36,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 02:37:36,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 02:37:36,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-10 02:37:36,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 02:37:36,591 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 02:37:36,591 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [554556024] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:37:36,591 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 02:37:36,591 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 10 [2021-07-10 02:37:36,592 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959270083] [2021-07-10 02:37:36,593 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-10 02:37:36,593 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 02:37:36,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-10 02:37:36,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-07-10 02:37:36,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:37:36,594 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 02:37:36,594 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 3.6) internal successors, (36), 10 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 02:37:36,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 02:37:36,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:37:36,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 02:37:36,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 02:37:37,019 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 02:37:37,020 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 02:37:37,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 02:37:37,020 INFO L82 PathProgramCache]: Analyzing trace with hash 842215812, now seen corresponding path program 1 times [2021-07-10 02:37:37,020 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 02:37:37,020 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106005865] [2021-07-10 02:37:37,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 02:37:37,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 02:37:37,187 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 02:37:37,187 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 02:37:37,187 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106005865] [2021-07-10 02:37:37,187 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106005865] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:37:37,187 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [243827124] [2021-07-10 02:37:37,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 02:37:37,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 02:37:37,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-10 02:37:37,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 02:37:37,423 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 02:37:37,423 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [243827124] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:37:37,423 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 02:37:37,424 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2021-07-10 02:37:37,424 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590165970] [2021-07-10 02:37:37,424 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-10 02:37:37,424 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 02:37:37,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-10 02:37:37,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2021-07-10 02:37:37,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:37:37,425 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 02:37:37,425 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 3.357142857142857) internal successors, (47), 14 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 02:37:37,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 02:37:37,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 02:37:37,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:37:37,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 02:37:37,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 02:37:37,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 02:37:37,728 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 02:37:37,729 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 02:37:37,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 02:37:37,729 INFO L82 PathProgramCache]: Analyzing trace with hash -263743198, now seen corresponding path program 2 times [2021-07-10 02:37:37,730 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 02:37:37,730 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819686717] [2021-07-10 02:37:37,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 02:37:37,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 02:37:37,791 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 02:37:37,791 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 02:37:37,791 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819686717] [2021-07-10 02:37:37,791 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819686717] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:37:37,792 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [493662895] [2021-07-10 02:37:37,792 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 02:37:37,845 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 02:37:37,845 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 02:37:37,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-10 02:37:37,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 02:37:37,987 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 02:37:37,988 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [493662895] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:37:37,988 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 02:37:37,988 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2021-07-10 02:37:37,992 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219919516] [2021-07-10 02:37:37,993 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-10 02:37:37,993 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 02:37:37,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-10 02:37:37,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-07-10 02:37:37,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:37:37,996 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 02:37:37,996 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 3.3846153846153846) internal successors, (44), 13 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 02:37:37,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 02:37:37,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 02:37:37,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 02:37:37,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:37:38,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 02:37:38,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 02:37:38,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 02:37:38,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 02:37:38,484 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 02:37:38,485 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 02:37:38,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 02:37:38,486 INFO L82 PathProgramCache]: Analyzing trace with hash -1724397376, now seen corresponding path program 3 times [2021-07-10 02:37:38,486 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 02:37:38,486 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319409307] [2021-07-10 02:37:38,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 02:37:38,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 02:37:38,718 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 02:37:38,718 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 02:37:38,719 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319409307] [2021-07-10 02:37:38,719 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319409307] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:37:38,719 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [404197545] [2021-07-10 02:37:38,719 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 02:37:38,751 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-10 02:37:38,751 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 02:37:38,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-10 02:37:38,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 02:37:39,055 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 02:37:39,056 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [404197545] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:37:39,056 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 02:37:39,056 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-07-10 02:37:39,056 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220992802] [2021-07-10 02:37:39,057 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-10 02:37:39,057 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 02:37:39,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-10 02:37:39,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2021-07-10 02:37:39,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:37:39,058 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 02:37:39,058 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 3.0555555555555554) internal successors, (55), 18 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) [2021-07-10 02:37:39,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 02:37:39,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 02:37:39,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 02:37:39,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 02:37:39,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:37:39,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 02:37:39,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 02:37:39,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 02:37:39,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 02:37:39,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 02:37:39,382 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-07-10 02:37:39,382 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 02:37:39,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 02:37:39,382 INFO L82 PathProgramCache]: Analyzing trace with hash -512544418, now seen corresponding path program 4 times [2021-07-10 02:37:39,383 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 02:37:39,383 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086601882] [2021-07-10 02:37:39,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 02:37:39,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 02:37:39,453 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 02:37:39,453 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 02:37:39,453 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086601882] [2021-07-10 02:37:39,453 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086601882] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:37:39,453 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1683692313] [2021-07-10 02:37:39,453 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 02:37:39,485 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 02:37:39,485 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 02:37:39,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-10 02:37:39,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 02:37:39,669 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 02:37:39,669 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1683692313] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:37:39,669 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 02:37:39,669 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2021-07-10 02:37:39,670 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403265344] [2021-07-10 02:37:39,671 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-10 02:37:39,671 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 02:37:39,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-10 02:37:39,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2021-07-10 02:37:39,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:37:39,672 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 02:37:39,672 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 3.0588235294117645) internal successors, (52), 17 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 02:37:39,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 02:37:39,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 02:37:39,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 02:37:39,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 02:37:39,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 02:37:39,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:37:40,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 02:37:40,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 02:37:40,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 02:37:40,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 02:37:40,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 02:37:40,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 02:37:40,304 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 02:37:40,305 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 02:37:40,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 02:37:40,305 INFO L82 PathProgramCache]: Analyzing trace with hash -304201220, now seen corresponding path program 5 times [2021-07-10 02:37:40,306 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 02:37:40,306 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801141962] [2021-07-10 02:37:40,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 02:37:40,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 02:37:40,594 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 02:37:40,595 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 02:37:40,595 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801141962] [2021-07-10 02:37:40,595 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801141962] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:37:40,595 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [32842453] [2021-07-10 02:37:40,595 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 02:37:40,638 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-10 02:37:40,638 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 02:37:40,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 23 conjunts are in the unsatisfiable core [2021-07-10 02:37:40,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 02:37:41,127 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 02:37:41,127 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [32842453] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:37:41,127 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 02:37:41,127 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 22 [2021-07-10 02:37:41,127 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337767032] [2021-07-10 02:37:41,128 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-10 02:37:41,128 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 02:37:41,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-10 02:37:41,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=385, Unknown=0, NotChecked=0, Total=462 [2021-07-10 02:37:41,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:37:41,129 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 02:37:41,130 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 2.8636363636363638) internal successors, (63), 22 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 02:37:41,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 02:37:41,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 02:37:41,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 02:37:41,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 02:37:41,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 02:37:41,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 02:37:41,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:37:41,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 02:37:41,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 02:37:41,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 02:37:41,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 02:37:41,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 02:37:41,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 02:37:41,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 02:37:41,544 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 02:37:41,545 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 02:37:41,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 02:37:41,545 INFO L82 PathProgramCache]: Analyzing trace with hash 1658334106, now seen corresponding path program 6 times [2021-07-10 02:37:41,545 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 02:37:41,545 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727710005] [2021-07-10 02:37:41,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 02:37:41,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 02:37:41,669 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 02:37:41,669 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 02:37:41,670 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727710005] [2021-07-10 02:37:41,670 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727710005] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:37:41,670 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [582334096] [2021-07-10 02:37:41,670 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 02:37:41,707 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-07-10 02:37:41,707 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 02:37:41,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-10 02:37:41,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 02:37:41,931 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 9 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 02:37:41,931 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [582334096] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:37:41,931 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 02:37:41,932 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2021-07-10 02:37:41,932 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989899481] [2021-07-10 02:37:41,932 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-10 02:37:41,932 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 02:37:41,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-10 02:37:41,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=336, Unknown=0, NotChecked=0, Total=420 [2021-07-10 02:37:41,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:37:41,933 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 02:37:41,933 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 2.857142857142857) internal successors, (60), 21 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 02:37:41,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 02:37:41,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 02:37:41,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 02:37:41,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 02:37:41,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 02:37:41,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 02:37:41,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 02:37:41,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:37:42,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 02:37:42,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 02:37:42,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 02:37:42,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 02:37:42,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 02:37:42,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 02:37:42,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 02:37:42,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 02:37:42,776 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-07-10 02:37:42,777 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 02:37:42,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 02:37:42,777 INFO L82 PathProgramCache]: Analyzing trace with hash -1444045512, now seen corresponding path program 7 times [2021-07-10 02:37:42,777 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 02:37:42,778 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966208876] [2021-07-10 02:37:42,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 02:37:42,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 02:37:43,199 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 02:37:43,199 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 02:37:43,199 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966208876] [2021-07-10 02:37:43,199 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966208876] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:37:43,199 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [252232472] [2021-07-10 02:37:43,199 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 02:37:43,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 02:37:43,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 29 conjunts are in the unsatisfiable core [2021-07-10 02:37:43,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 02:37:43,971 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 02:37:43,971 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [252232472] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:37:43,972 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 02:37:43,972 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2021-07-10 02:37:43,972 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889046172] [2021-07-10 02:37:43,972 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-10 02:37:43,972 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 02:37:43,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-10 02:37:43,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=561, Unknown=0, NotChecked=0, Total=650 [2021-07-10 02:37:43,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:37:43,973 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 02:37:43,973 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 2.730769230769231) internal successors, (71), 26 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 02:37:43,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 02:37:43,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 02:37:43,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 02:37:43,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 02:37:43,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 02:37:43,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 02:37:43,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 02:37:43,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 02:37:43,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:37:44,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 02:37:44,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 02:37:44,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 02:37:44,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 02:37:44,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 02:37:44,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 02:37:44,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 02:37:44,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 02:37:44,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 02:37:44,508 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 02:37:44,509 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 02:37:44,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 02:37:44,509 INFO L82 PathProgramCache]: Analyzing trace with hash -696416298, now seen corresponding path program 8 times [2021-07-10 02:37:44,509 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 02:37:44,509 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773040187] [2021-07-10 02:37:44,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 02:37:44,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 02:37:44,656 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 9 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 02:37:44,656 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 02:37:44,656 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773040187] [2021-07-10 02:37:44,657 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773040187] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:37:44,657 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [453037359] [2021-07-10 02:37:44,657 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 02:37:44,691 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 02:37:44,691 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 02:37:44,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-10 02:37:44,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 02:37:44,955 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 02:37:44,955 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [453037359] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:37:44,955 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 02:37:44,955 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 25 [2021-07-10 02:37:44,956 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769880185] [2021-07-10 02:37:44,956 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-10 02:37:44,956 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 02:37:44,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-10 02:37:44,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=483, Unknown=0, NotChecked=0, Total=600 [2021-07-10 02:37:44,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:37:44,957 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 02:37:44,957 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.72) internal successors, (68), 25 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 02:37:44,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 02:37:44,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 02:37:44,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 02:37:44,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 02:37:44,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 02:37:44,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 02:37:44,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 02:37:44,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 02:37:44,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 02:37:44,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:37:45,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 02:37:45,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 02:37:45,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 02:37:45,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 02:37:45,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 02:37:45,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 02:37:45,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 02:37:45,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 02:37:45,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 02:37:45,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-10 02:37:45,972 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2021-07-10 02:37:45,973 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 02:37:45,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 02:37:45,973 INFO L82 PathProgramCache]: Analyzing trace with hash -911418764, now seen corresponding path program 9 times [2021-07-10 02:37:45,973 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 02:37:45,974 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146490991] [2021-07-10 02:37:45,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 02:37:45,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 02:37:46,533 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 02:37:46,533 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 02:37:46,533 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146490991] [2021-07-10 02:37:46,533 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146490991] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:37:46,533 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1452268724] [2021-07-10 02:37:46,533 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 02:37:46,570 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-07-10 02:37:46,570 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 02:37:46,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 40 conjunts are in the unsatisfiable core [2021-07-10 02:37:46,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 02:37:47,751 WARN L205 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 55 [2021-07-10 02:37:48,085 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-07-10 02:37:48,691 WARN L205 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 76 [2021-07-10 02:37:49,171 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 79 [2021-07-10 02:37:49,551 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2021-07-10 02:37:50,191 WARN L205 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 79 [2021-07-10 02:37:50,529 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2021-07-10 02:37:50,929 INFO L446 ElimStorePlain]: Different costs {6=[v_prenex_9], 10=[v_prenex_8], 30=[v_prenex_6, v_prenex_7], 39=[A, v_prenex_10]} [2021-07-10 02:37:50,942 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 02:37:50,943 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 02:37:51,318 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 122 [2021-07-10 02:37:51,318 INFO L628 ElimStorePlain]: treesize reduction 226, result has 65.2 percent of original size [2021-07-10 02:37:51,318 INFO L518 ElimStorePlain]: Eliminatee v_prenex_8 vanished before elimination [2021-07-10 02:37:51,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:37:51,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:37:51,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:37:51,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:37:51,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:37:51,567 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 90 [2021-07-10 02:37:51,568 INFO L354 Elim1Store]: treesize reduction 66, result has 72.2 percent of original size [2021-07-10 02:37:51,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 11 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 25 case distinctions, treesize of input 49 treesize of output 189 [2021-07-10 02:38:00,330 WARN L205 SmtUtils]: Spent 8.56 s on a formula simplification. DAG size of input: 124 DAG size of output: 120 [2021-07-10 02:38:05,163 WARN L205 SmtUtils]: Spent 4.83 s on a formula simplification. DAG size of input: 159 DAG size of output: 147 [2021-07-10 02:38:19,228 WARN L205 SmtUtils]: Spent 14.06 s on a formula simplification. DAG size of input: 159 DAG size of output: 148 [2021-07-10 02:38:19,684 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 114 [2021-07-10 02:38:19,799 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 118 [2021-07-10 02:38:20,146 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 02:38:20,503 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 115 [2021-07-10 02:38:20,504 INFO L628 ElimStorePlain]: treesize reduction 316, result has 55.7 percent of original size [2021-07-10 02:38:20,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:38:20,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:38:20,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:38:20,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:38:20,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:38:20,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:38:20,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:38:20,705 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 88 [2021-07-10 02:38:20,706 INFO L354 Elim1Store]: treesize reduction 54, result has 74.9 percent of original size [2021-07-10 02:38:20,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 13 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 23 case distinctions, treesize of input 49 treesize of output 179 [2021-07-10 02:38:21,254 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 137 [2021-07-10 02:38:22,168 WARN L205 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 130 [2021-07-10 02:38:22,429 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 130 [2021-07-10 02:38:24,594 WARN L205 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 178 DAG size of output: 134 [2021-07-10 02:38:25,496 WARN L205 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 91 [2021-07-10 02:38:25,898 WARN L205 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 91 [2021-07-10 02:38:26,326 WARN L205 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 94 [2021-07-10 02:38:27,098 WARN L205 SmtUtils]: Spent 754.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-07-10 02:38:34,323 WARN L205 SmtUtils]: Spent 7.22 s on a formula simplification. DAG size of input: 82 DAG size of output: 79 [2021-07-10 02:38:35,826 WARN L205 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2021-07-10 02:38:41,420 WARN L205 SmtUtils]: Spent 5.59 s on a formula simplification. DAG size of input: 80 DAG size of output: 79 [2021-07-10 02:38:41,421 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 02:38:41,733 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 106 [2021-07-10 02:38:41,733 INFO L628 ElimStorePlain]: treesize reduction 351, result has 51.0 percent of original size [2021-07-10 02:38:41,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:38:41,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:38:41,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:38:41,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:38:41,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:38:41,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:38:41,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:38:41,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:38:41,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:38:41,951 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2021-07-10 02:38:41,952 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 02:38:41,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 15 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 30 case distinctions, treesize of input 58 treesize of output 310 [2021-07-10 02:38:42,388 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 228 [2021-07-10 02:38:43,052 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 247 [2021-07-10 02:38:43,319 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 285 [2021-07-10 02:38:43,956 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 222 [2021-07-10 02:38:44,164 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 253 [2021-07-10 02:38:44,366 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 282 [2021-07-10 02:38:44,646 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 338 [2021-07-10 02:38:45,218 WARN L205 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 537 [2021-07-10 02:38:45,792 WARN L205 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 537 [2021-07-10 02:38:46,448 WARN L205 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 607 DAG size of output: 514 [2021-07-10 02:38:46,797 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 384 [2021-07-10 02:38:46,956 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 279 [2021-07-10 02:38:48,107 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 287 [2021-07-10 02:38:48,382 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 392 [2021-07-10 02:38:48,762 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 493 DAG size of output: 442 [2021-07-10 02:38:49,656 WARN L205 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 624 DAG size of output: 541 [2021-07-10 02:38:49,833 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 259 [2021-07-10 02:38:50,059 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 273 [2021-07-10 02:38:50,768 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 271 [2021-07-10 02:38:51,000 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 372 DAG size of output: 312 [2021-07-10 02:38:51,398 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 449 DAG size of output: 393 [2021-07-10 02:38:51,906 WARN L205 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 509 DAG size of output: 435 [2021-07-10 02:38:53,324 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 1005 DAG size of output: 839 [2021-07-10 02:38:53,750 WARN L205 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 387 [2021-07-10 02:38:54,651 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 267 [2021-07-10 02:38:54,864 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 410 DAG size of output: 337 [2021-07-10 02:38:55,561 WARN L205 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 154 [2021-07-10 02:38:55,895 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 206 [2021-07-10 02:38:57,686 WARN L205 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 233 DAG size of output: 213 [2021-07-10 02:39:13,438 WARN L205 SmtUtils]: Spent 15.75 s on a formula simplification. DAG size of input: 558 DAG size of output: 455 [2021-07-10 02:40:00,812 WARN L205 SmtUtils]: Spent 47.37 s on a formula simplification. DAG size of input: 648 DAG size of output: 524 [2021-07-10 02:40:58,980 WARN L205 SmtUtils]: Spent 58.16 s on a formula simplification. DAG size of input: 1506 DAG size of output: 1244 [2021-07-10 02:43:03,274 WARN L205 SmtUtils]: Spent 2.07 m on a formula simplification. DAG size of input: 1506 DAG size of output: 1238 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown