/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/buffer-series-array.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98707888a4ba860d5b57d27ee0e051c5b948cbbf-9870788 [2021-06-02 01:58:02,442 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-02 01:58:02,444 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-02 01:58:02,479 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-02 01:58:02,529 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-02 01:58:02,529 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-02 01:58:02,530 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-02 01:58:02,534 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe.epf [2021-06-02 01:58:02,569 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-02 01:58:02,570 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-02 01:58:02,570 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-02 01:58:02,570 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-02 01:58:02,572 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-02 01:58:02,573 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-02 01:58:02,573 INFO L138 SettingsManager]: * Use SBE=true [2021-06-02 01:58:02,573 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-02 01:58:02,573 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-02 01:58:02,574 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-02 01:58:02,574 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-02 01:58:02,574 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-02 01:58:02,575 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-02 01:58:02,575 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-02 01:58:02,575 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-02 01:58:02,575 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-02 01:58:02,575 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-02 01:58:02,575 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-02 01:58:02,575 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-02 01:58:02,576 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-02 01:58:02,576 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-02 01:58:02,576 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-02 01:58:02,576 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-02 01:58:02,576 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-02 01:58:02,576 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-02 01:58:02,577 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-02 01:58:02,577 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-02 01:58:02,577 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-02 01:58:02,577 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-02 01:58:02,577 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-02 01:58:02,577 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-02 01:58:02,577 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-02 01:58:02,578 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-02 01:58:02,578 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-02 01:58:02,885 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-02 01:58:02,908 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-02 01:58:02,910 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-02 01:58:02,911 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-02 01:58:02,912 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-02 01:58:02,913 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/buffer-series-array.wvr.bpl [2021-06-02 01:58:02,914 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/buffer-series-array.wvr.bpl' [2021-06-02 01:58:02,953 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-02 01:58:02,954 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-02 01:58:02,955 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-02 01:58:02,955 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-02 01:58:02,955 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-02 01:58:02,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 01:58:02" (1/1) ... [2021-06-02 01:58:02,980 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 01:58:02" (1/1) ... [2021-06-02 01:58:02,987 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-02 01:58:02,989 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-02 01:58:02,989 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-02 01:58:02,989 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-02 01:58:02,996 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 01:58:02" (1/1) ... [2021-06-02 01:58:02,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 01:58:02" (1/1) ... [2021-06-02 01:58:02,998 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 01:58:02" (1/1) ... [2021-06-02 01:58:02,999 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 01:58:02" (1/1) ... [2021-06-02 01:58:03,004 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 01:58:02" (1/1) ... [2021-06-02 01:58:03,006 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 01:58:02" (1/1) ... [2021-06-02 01:58:03,007 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 01:58:02" (1/1) ... [2021-06-02 01:58:03,008 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-02 01:58:03,008 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-02 01:58:03,009 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-02 01:58:03,009 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-02 01:58:03,013 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 01:58:02" (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 [2021-06-02 01:58:03,070 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-02 01:58:03,071 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-02 01:58:03,071 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-02 01:58:03,071 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-02 01:58:03,071 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-02 01:58:03,071 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-02 01:58:03,071 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-02 01:58:03,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-02 01:58:03,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-02 01:58:03,072 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-02 01:58:03,072 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-02 01:58:03,072 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-02 01:58:03,072 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-06-02 01:58:03,073 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-06-02 01:58:03,073 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-06-02 01:58:03,074 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-02 01:58:03,332 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-02 01:58:03,333 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-02 01:58:03,334 INFO L202 PluginConnector]: Adding new model buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.06 01:58:03 BoogieIcfgContainer [2021-06-02 01:58:03,334 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-02 01:58:03,336 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-02 01:58:03,336 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-02 01:58:03,338 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-02 01:58:03,339 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 01:58:02" (1/2) ... [2021-06-02 01:58:03,339 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d76175 and model type buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.06 01:58:03, skipping insertion in model container [2021-06-02 01:58:03,339 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.06 01:58:03" (2/2) ... [2021-06-02 01:58:03,341 INFO L111 eAbstractionObserver]: Analyzing ICFG buffer-series-array.wvr.bpl [2021-06-02 01:58:03,345 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-02 01:58:03,345 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-02 01:58:03,345 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-02 01:58:03,346 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-02 01:58:03,393 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-06-02 01:58:03,411 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 [2021-06-02 01:58:03,500 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-02 01:58:03,501 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-02 01:58:03,501 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-02 01:58:03,501 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-02 01:58:03,501 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-02 01:58:03,501 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-02 01:58:03,501 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-02 01:58:03,501 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-02 01:58:03,617 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 01:58:03,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 01:58:03,624 INFO L82 PathProgramCache]: Analyzing trace with hash 354457354, now seen corresponding path program 1 times [2021-06-02 01:58:03,630 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 01:58:03,631 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411707684] [2021-06-02 01:58:03,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 01:58:03,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 01:58:04,122 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 01:58:04,122 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 01:58:04,122 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411707684] [2021-06-02 01:58:04,124 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411707684] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:58:04,124 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [214616215] [2021-06-02 01:58:04,124 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 [2021-06-02 01:58:04,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 01:58:04,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 23 conjunts are in the unsatisfiable core [2021-06-02 01:58:04,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-02 01:58:04,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-02 01:58:04,309 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-02 01:58:04,313 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:58:04,314 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-02 01:58:04,315 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:13 [2021-06-02 01:58:04,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-02 01:58:04,376 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-02 01:58:04,378 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:58:04,379 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-02 01:58:04,379 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:7 [2021-06-02 01:58:04,494 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 01:58:04,494 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [214616215] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:58:04,494 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-02 01:58:04,494 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 10 [2021-06-02 01:58:04,495 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588453068] [2021-06-02 01:58:04,499 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-02 01:58:04,499 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 01:58:04,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-02 01:58:04,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-06-02 01:58:04,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:58:04,516 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 01:58:04,518 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 10 states have internal predecessors, (42), 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) [2021-06-02 01:58:04,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:58:04,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-02 01:58:04,981 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-06-02 01:58:04,981 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 01:58:04,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 01:58:04,982 INFO L82 PathProgramCache]: Analyzing trace with hash -1020637527, now seen corresponding path program 1 times [2021-06-02 01:58:04,982 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 01:58:04,982 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205020399] [2021-06-02 01:58:04,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 01:58:04,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 01:58:05,007 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-06-02 01:58:05,007 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 01:58:05,007 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205020399] [2021-06-02 01:58:05,007 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205020399] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 01:58:05,007 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 01:58:05,007 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-02 01:58:05,008 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132020965] [2021-06-02 01:58:05,008 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-02 01:58:05,009 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 01:58:05,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-02 01:58:05,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-02 01:58:05,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:58:05,009 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 01:58:05,010 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-02 01:58:05,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-02 01:58:05,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:58:05,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 01:58:05,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:58:05,142 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-02 01:58:05,142 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 01:58:05,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 01:58:05,143 INFO L82 PathProgramCache]: Analyzing trace with hash -1416781431, now seen corresponding path program 2 times [2021-06-02 01:58:05,143 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 01:58:05,143 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908260008] [2021-06-02 01:58:05,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 01:58:05,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 01:58:05,186 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-06-02 01:58:05,186 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 01:58:05,186 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908260008] [2021-06-02 01:58:05,186 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908260008] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 01:58:05,187 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 01:58:05,187 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-02 01:58:05,187 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588178181] [2021-06-02 01:58:05,187 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-02 01:58:05,187 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 01:58:05,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-02 01:58:05,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-02 01:58:05,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:58:05,188 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 01:58:05,188 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-02 01:58:05,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 01:58:05,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:58:05,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:58:05,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 01:58:05,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:58:05,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:58:05,251 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-02 01:58:05,251 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 01:58:05,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 01:58:05,252 INFO L82 PathProgramCache]: Analyzing trace with hash 1850719302, now seen corresponding path program 3 times [2021-06-02 01:58:05,252 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 01:58:05,252 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175439532] [2021-06-02 01:58:05,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 01:58:05,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 01:58:05,300 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-02 01:58:05,300 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 01:58:05,301 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175439532] [2021-06-02 01:58:05,301 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175439532] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:58:05,301 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [72496050] [2021-06-02 01:58:05,301 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 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 [2021-06-02 01:58:05,348 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-02 01:58:05,348 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-02 01:58:05,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 3 conjunts are in the unsatisfiable core [2021-06-02 01:58:05,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-02 01:58:05,425 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-02 01:58:05,425 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [72496050] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 01:58:05,426 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-02 01:58:05,426 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-06-02 01:58:05,426 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305971165] [2021-06-02 01:58:05,426 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-02 01:58:05,426 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 01:58:05,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-02 01:58:05,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-02 01:58:05,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:58:05,427 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 01:58:05,427 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-02 01:58:05,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 01:58:05,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:58:05,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:58:05,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:58:05,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 01:58:05,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:58:05,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:58:05,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-02 01:58:05,680 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 01:58:05,681 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 01:58:05,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 01:58:05,682 INFO L82 PathProgramCache]: Analyzing trace with hash 95258312, now seen corresponding path program 2 times [2021-06-02 01:58:05,682 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 01:58:05,682 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49899736] [2021-06-02 01:58:05,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 01:58:05,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 01:58:05,723 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-02 01:58:05,723 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 01:58:05,723 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49899736] [2021-06-02 01:58:05,724 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49899736] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:58:05,724 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [688796899] [2021-06-02 01:58:05,724 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 [2021-06-02 01:58:05,781 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-02 01:58:05,781 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-02 01:58:05,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-02 01:58:05,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-02 01:58:05,935 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-02 01:58:05,936 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [688796899] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:58:05,936 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-02 01:58:05,936 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-06-02 01:58:05,936 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915368824] [2021-06-02 01:58:05,937 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-02 01:58:05,937 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 01:58:05,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-02 01:58:05,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-06-02 01:58:05,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:58:05,938 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 01:58:05,938 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 5.7) internal successors, (57), 9 states have internal predecessors, (57), 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) [2021-06-02 01:58:05,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 01:58:05,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:58:05,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:58:05,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-02 01:58:05,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:58:06,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 01:58:06,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:58:06,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:58:06,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-02 01:58:06,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-02 01:58:06,312 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 01:58:06,313 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 01:58:06,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 01:58:06,313 INFO L82 PathProgramCache]: Analyzing trace with hash 546738592, now seen corresponding path program 3 times [2021-06-02 01:58:06,314 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 01:58:06,314 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012806372] [2021-06-02 01:58:06,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 01:58:06,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 01:58:06,378 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 23 proven. 13 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-06-02 01:58:06,378 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 01:58:06,378 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012806372] [2021-06-02 01:58:06,378 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012806372] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:58:06,378 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [956361199] [2021-06-02 01:58:06,378 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 [2021-06-02 01:58:06,424 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-06-02 01:58:06,424 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-02 01:58:06,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-02 01:58:06,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-02 01:58:06,652 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 41 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-06-02 01:58:06,653 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [956361199] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:58:06,653 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-02 01:58:06,653 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9] total 14 [2021-06-02 01:58:06,653 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555798306] [2021-06-02 01:58:06,654 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-02 01:58:06,655 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 01:58:06,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-02 01:58:06,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2021-06-02 01:58:06,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:58:06,656 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 01:58:06,656 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 5.2) internal successors, (78), 14 states have internal predecessors, (78), 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) [2021-06-02 01:58:06,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 01:58:06,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:58:06,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:58:06,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-02 01:58:06,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-02 01:58:06,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:58:06,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 01:58:06,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:58:06,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:58:06,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-02 01:58:06,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-02 01:58:06,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-02 01:58:07,100 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-06-02 01:58:07,101 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 01:58:07,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 01:58:07,102 INFO L82 PathProgramCache]: Analyzing trace with hash -2077682447, now seen corresponding path program 4 times [2021-06-02 01:58:07,102 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 01:58:07,102 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495402499] [2021-06-02 01:58:07,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 01:58:07,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 01:58:07,171 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 15 proven. 11 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-06-02 01:58:07,171 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 01:58:07,171 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495402499] [2021-06-02 01:58:07,171 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495402499] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:58:07,172 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1951733701] [2021-06-02 01:58:07,172 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 [2021-06-02 01:58:07,224 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-02 01:58:07,224 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-02 01:58:07,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 8 conjunts are in the unsatisfiable core [2021-06-02 01:58:07,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-02 01:58:07,333 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-06-02 01:58:07,333 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1951733701] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:58:07,333 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-02 01:58:07,334 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-06-02 01:58:07,334 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246168524] [2021-06-02 01:58:07,335 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-02 01:58:07,339 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 01:58:07,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-02 01:58:07,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2021-06-02 01:58:07,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:58:07,340 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 01:58:07,340 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 7 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) [2021-06-02 01:58:07,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 01:58:07,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:58:07,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:58:07,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-02 01:58:07,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-02 01:58:07,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-02 01:58:07,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:58:07,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 01:58:07,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:58:07,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:58:07,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-02 01:58:07,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-02 01:58:07,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-02 01:58:07,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 01:58:07,804 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 01:58:07,805 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 01:58:07,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 01:58:07,805 INFO L82 PathProgramCache]: Analyzing trace with hash 44009845, now seen corresponding path program 5 times [2021-06-02 01:58:07,806 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 01:58:07,806 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544557505] [2021-06-02 01:58:07,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 01:58:07,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 01:58:09,246 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 01:58:09,247 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 01:58:09,247 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544557505] [2021-06-02 01:58:09,247 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544557505] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:58:09,247 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1704195294] [2021-06-02 01:58:09,247 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 [2021-06-02 01:58:09,320 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-06-02 01:58:09,320 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-02 01:58:09,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 83 conjunts are in the unsatisfiable core [2021-06-02 01:58:09,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-02 01:58:10,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 59 [2021-06-02 01:58:10,768 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-02 01:58:10,791 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:58:10,798 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-02 01:58:10,798 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:104, output treesize:76 [2021-06-02 01:58:11,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 01:58:11,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 01:58:11,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 01:58:11,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 01:58:11,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 01:58:11,743 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 01:58:11,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 01:58:11,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 01:58:11,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 42 [2021-06-02 01:58:11,747 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-02 01:58:11,764 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:58:11,768 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-02 01:58:11,768 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:97, output treesize:39 [2021-06-02 01:58:12,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 01:58:12,396 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 01:58:12,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 01:58:12,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 01:58:12,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 01:58:12,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 01:58:12,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 01:58:12,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 01:58:12,402 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 01:58:12,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 01:58:12,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 01:58:12,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 01:58:12,405 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 01:58:12,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 01:58:12,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 01:58:12,408 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 01:58:12,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 12 [2021-06-02 01:58:12,411 INFO L550 ElimStorePlain]: Start of recursive call 2: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-06-02 01:58:12,416 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:58:12,418 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-02 01:58:12,418 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:49, output treesize:3 [2021-06-02 01:58:12,464 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 01:58:12,465 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1704195294] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:58:12,465 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-02 01:58:12,465 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 27] total 53 [2021-06-02 01:58:12,465 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860623981] [2021-06-02 01:58:12,466 INFO L462 AbstractCegarLoop]: Interpolant automaton has 54 states [2021-06-02 01:58:12,466 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 01:58:12,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2021-06-02 01:58:12,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=2701, Unknown=0, NotChecked=0, Total=2862 [2021-06-02 01:58:12,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:58:12,467 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 01:58:12,467 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 54 states, 54 states have (on average 2.037037037037037) internal successors, (110), 53 states have internal predecessors, (110), 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) [2021-06-02 01:58:12,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 01:58:12,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:58:12,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:58:12,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-02 01:58:12,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-02 01:58:12,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-02 01:58:12,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 01:58:12,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:58:19,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 01:58:19,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:58:19,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:58:19,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-02 01:58:19,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-02 01:58:19,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-02 01:58:19,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 01:58:19,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-02 01:58:19,720 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 01:58:19,721 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 01:58:19,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 01:58:19,721 INFO L82 PathProgramCache]: Analyzing trace with hash 1674070936, now seen corresponding path program 6 times [2021-06-02 01:58:19,722 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 01:58:19,722 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146031676] [2021-06-02 01:58:19,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 01:58:19,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 01:58:19,775 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 26 proven. 25 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2021-06-02 01:58:19,776 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 01:58:19,776 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146031676] [2021-06-02 01:58:19,776 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146031676] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:58:19,776 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [875921323] [2021-06-02 01:58:19,776 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 [2021-06-02 01:58:19,846 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-06-02 01:58:19,846 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-02 01:58:19,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-02 01:58:19,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-02 01:58:19,960 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 35 proven. 16 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2021-06-02 01:58:19,960 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [875921323] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:58:19,961 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-02 01:58:19,961 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-06-02 01:58:19,964 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271085716] [2021-06-02 01:58:19,965 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-02 01:58:19,965 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 01:58:19,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-02 01:58:19,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2021-06-02 01:58:19,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:58:19,965 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 01:58:19,966 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 8 states have internal predecessors, (51), 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) [2021-06-02 01:58:19,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 01:58:19,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:58:19,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:58:19,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-02 01:58:19,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-02 01:58:19,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-02 01:58:19,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 01:58:19,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-02 01:58:19,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:58:20,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 01:58:20,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:58:20,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:58:20,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-02 01:58:20,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-02 01:58:20,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-02 01:58:20,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 01:58:20,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-02 01:58:20,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-02 01:58:20,325 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-06-02 01:58:20,326 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 01:58:20,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 01:58:20,326 INFO L82 PathProgramCache]: Analyzing trace with hash 1562005782, now seen corresponding path program 7 times [2021-06-02 01:58:20,326 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 01:58:20,326 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773498163] [2021-06-02 01:58:20,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 01:58:20,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 01:58:20,387 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 26 proven. 25 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-06-02 01:58:20,387 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 01:58:20,387 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773498163] [2021-06-02 01:58:20,387 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773498163] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:58:20,387 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [291461742] [2021-06-02 01:58:20,387 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 [2021-06-02 01:58:20,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 01:58:20,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-02 01:58:20,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-02 01:58:20,547 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 35 proven. 16 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-06-02 01:58:20,547 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [291461742] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:58:20,547 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-02 01:58:20,547 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-06-02 01:58:20,547 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593378751] [2021-06-02 01:58:20,548 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-02 01:58:20,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 01:58:20,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-02 01:58:20,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2021-06-02 01:58:20,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:58:20,548 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 01:58:20,548 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 8 states have internal predecessors, (57), 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) [2021-06-02 01:58:20,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 01:58:20,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:58:20,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:58:20,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-02 01:58:20,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-02 01:58:20,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-02 01:58:20,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 01:58:20,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-02 01:58:20,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-02 01:58:20,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:58:20,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 01:58:20,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:58:20,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:58:20,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-02 01:58:20,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-02 01:58:20,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-02 01:58:20,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 01:58:20,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-02 01:58:20,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-02 01:58:20,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-02 01:58:20,948 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 01:58:20,949 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 01:58:20,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 01:58:20,949 INFO L82 PathProgramCache]: Analyzing trace with hash 1814439832, now seen corresponding path program 8 times [2021-06-02 01:58:20,949 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 01:58:20,949 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689263554] [2021-06-02 01:58:20,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 01:58:20,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 01:58:22,598 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 01:58:22,598 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 01:58:22,598 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689263554] [2021-06-02 01:58:22,599 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689263554] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:58:22,599 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1677916960] [2021-06-02 01:58:22,599 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 [2021-06-02 01:58:22,652 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-02 01:58:22,653 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-02 01:58:22,654 WARN L261 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 103 conjunts are in the unsatisfiable core [2021-06-02 01:58:22,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-02 01:58:24,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 77 [2021-06-02 01:58:24,019 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-02 01:58:24,033 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:58:24,034 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-02 01:58:24,034 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:65 [2021-06-02 01:58:24,488 INFO L354 Elim1Store]: treesize reduction 112, result has 0.9 percent of original size [2021-06-02 01:58:24,488 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 88 treesize of output 52 [2021-06-02 01:58:24,489 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-02 01:58:24,491 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:58:24,492 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-02 01:58:24,492 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:88, output treesize:27 [2021-06-02 01:58:24,642 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 01:58:24,642 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1677916960] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:58:24,642 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-02 01:58:24,642 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 30] total 57 [2021-06-02 01:58:24,642 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057851395] [2021-06-02 01:58:24,643 INFO L462 AbstractCegarLoop]: Interpolant automaton has 58 states [2021-06-02 01:58:24,643 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 01:58:24,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2021-06-02 01:58:24,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=196, Invalid=3110, Unknown=0, NotChecked=0, Total=3306 [2021-06-02 01:58:24,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:58:24,644 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 01:58:24,645 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 58 states, 58 states have (on average 2.0172413793103448) internal successors, (117), 57 states have internal predecessors, (117), 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) [2021-06-02 01:58:24,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 01:58:24,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:58:24,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:58:24,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-02 01:58:24,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-02 01:58:24,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-02 01:58:24,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 01:58:24,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-02 01:58:24,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-02 01:58:24,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-02 01:58:24,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:58:28,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 01:58:28,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:58:28,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:58:28,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-02 01:58:28,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-02 01:58:28,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-02 01:58:28,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 01:58:28,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-02 01:58:28,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-02 01:58:28,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-02 01:58:28,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-02 01:58:28,931 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 01:58:28,931 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 01:58:28,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 01:58:28,932 INFO L82 PathProgramCache]: Analyzing trace with hash 2145385422, now seen corresponding path program 9 times [2021-06-02 01:58:28,932 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 01:58:28,932 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502478454] [2021-06-02 01:58:28,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 01:58:28,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 01:58:29,002 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 130 proven. 121 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2021-06-02 01:58:29,003 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 01:58:29,003 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502478454] [2021-06-02 01:58:29,003 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502478454] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:58:29,003 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1763794715] [2021-06-02 01:58:29,003 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 [2021-06-02 01:58:29,081 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2021-06-02 01:58:29,081 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-02 01:58:29,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-02 01:58:29,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-02 01:58:29,474 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 66 proven. 200 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-06-02 01:58:29,475 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1763794715] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:58:29,475 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-02 01:58:29,475 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 18] total 25 [2021-06-02 01:58:29,475 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118729010] [2021-06-02 01:58:29,475 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-06-02 01:58:29,475 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 01:58:29,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-06-02 01:58:29,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=541, Unknown=0, NotChecked=0, Total=650 [2021-06-02 01:58:29,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:58:29,476 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 01:58:29,477 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.576923076923077) internal successors, (119), 25 states have internal predecessors, (119), 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) [2021-06-02 01:58:29,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 01:58:29,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:58:29,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:58:29,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-02 01:58:29,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-02 01:58:29,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-02 01:58:29,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 01:58:29,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-02 01:58:29,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-02 01:58:29,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-02 01:58:29,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-02 01:58:29,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:58:30,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 01:58:30,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:58:30,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:58:30,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-02 01:58:30,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-02 01:58:30,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-02 01:58:30,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 01:58:30,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-02 01:58:30,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-02 01:58:30,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-02 01:58:30,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-02 01:58:30,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-02 01:58:30,289 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-06-02 01:58:30,289 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 01:58:30,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 01:58:30,289 INFO L82 PathProgramCache]: Analyzing trace with hash -221759523, now seen corresponding path program 10 times [2021-06-02 01:58:30,289 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 01:58:30,289 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752371528] [2021-06-02 01:58:30,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 01:58:30,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 01:58:30,558 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 265 proven. 176 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-06-02 01:58:30,558 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 01:58:30,558 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752371528] [2021-06-02 01:58:30,558 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752371528] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:58:30,558 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1020945417] [2021-06-02 01:58:30,558 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 01:58:30,613 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-02 01:58:30,614 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-02 01:58:30,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-02 01:58:30,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-02 01:58:30,987 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 289 proven. 36 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2021-06-02 01:58:30,987 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1020945417] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:58:30,987 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-02 01:58:30,987 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 13] total 37 [2021-06-02 01:58:30,987 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546557762] [2021-06-02 01:58:30,988 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-06-02 01:58:30,988 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 01:58:30,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-06-02 01:58:30,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=271, Invalid=1135, Unknown=0, NotChecked=0, Total=1406 [2021-06-02 01:58:30,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:58:30,989 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 01:58:30,989 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 4.0) internal successors, (152), 37 states have internal predecessors, (152), 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) [2021-06-02 01:58:30,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 01:58:30,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:58:30,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:58:30,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-02 01:58:30,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-02 01:58:30,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-02 01:58:30,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 01:58:30,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-02 01:58:30,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-02 01:58:30,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-02 01:58:30,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-02 01:58:30,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-02 01:58:30,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:58:32,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 01:58:32,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:58:32,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:58:32,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-02 01:58:32,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-02 01:58:32,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-02 01:58:32,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 01:58:32,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-02 01:58:32,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-02 01:58:32,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-02 01:58:32,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-02 01:58:32,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-02 01:58:32,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-02 01:58:32,430 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-06-02 01:58:32,430 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 01:58:32,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 01:58:32,431 INFO L82 PathProgramCache]: Analyzing trace with hash 1707772445, now seen corresponding path program 11 times [2021-06-02 01:58:32,431 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 01:58:32,431 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364207479] [2021-06-02 01:58:32,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 01:58:32,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 01:58:34,198 INFO L134 CoverageAnalysis]: Checked inductivity of 1646 backedges. 353 proven. 1208 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2021-06-02 01:58:34,198 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 01:58:34,198 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364207479] [2021-06-02 01:58:34,199 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364207479] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:58:34,199 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1372421477] [2021-06-02 01:58:34,199 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 01:58:34,324 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 30 check-sat command(s) [2021-06-02 01:58:34,325 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-02 01:58:34,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 28 conjunts are in the unsatisfiable core [2021-06-02 01:58:34,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-02 01:58:35,933 INFO L134 CoverageAnalysis]: Checked inductivity of 1646 backedges. 265 proven. 665 refuted. 0 times theorem prover too weak. 716 trivial. 0 not checked. [2021-06-02 01:58:35,933 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1372421477] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:58:35,933 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-02 01:58:35,933 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [74, 27] total 100 [2021-06-02 01:58:35,933 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488324256] [2021-06-02 01:58:35,934 INFO L462 AbstractCegarLoop]: Interpolant automaton has 101 states [2021-06-02 01:58:35,934 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 01:58:35,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2021-06-02 01:58:35,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1054, Invalid=9046, Unknown=0, NotChecked=0, Total=10100 [2021-06-02 01:58:35,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:58:35,936 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 01:58:35,937 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 101 states, 101 states have (on average 2.5544554455445545) internal successors, (258), 100 states have internal predecessors, (258), 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) [2021-06-02 01:58:35,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 01:58:35,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:58:35,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:58:35,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-02 01:58:35,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-02 01:58:35,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-02 01:58:35,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 01:58:35,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-02 01:58:35,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-02 01:58:35,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-02 01:58:35,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-02 01:58:35,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-02 01:58:35,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-02 01:58:35,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:59:19,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 01:59:19,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:59:19,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:59:19,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-02 01:59:19,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-02 01:59:19,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-02 01:59:19,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 01:59:19,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-02 01:59:19,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-02 01:59:19,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-02 01:59:19,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-02 01:59:19,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-02 01:59:19,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-02 01:59:19,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 572 states. [2021-06-02 01:59:19,437 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-06-02 01:59:19,437 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 01:59:19,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 01:59:19,437 INFO L82 PathProgramCache]: Analyzing trace with hash 855295136, now seen corresponding path program 12 times [2021-06-02 01:59:19,438 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 01:59:19,438 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998408065] [2021-06-02 01:59:19,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 01:59:19,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 01:59:20,223 INFO L134 CoverageAnalysis]: Checked inductivity of 1648 backedges. 710 proven. 532 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2021-06-02 01:59:20,223 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 01:59:20,223 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998408065] [2021-06-02 01:59:20,223 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998408065] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:59:20,223 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [544789285] [2021-06-02 01:59:20,224 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 01:59:20,408 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 32 check-sat command(s) [2021-06-02 01:59:20,409 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-02 01:59:20,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-02 01:59:20,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-02 01:59:21,019 INFO L134 CoverageAnalysis]: Checked inductivity of 1648 backedges. 507 proven. 100 refuted. 0 times theorem prover too weak. 1041 trivial. 0 not checked. [2021-06-02 01:59:21,019 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [544789285] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:59:21,019 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-02 01:59:21,020 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 16] total 56 [2021-06-02 01:59:21,020 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537406003] [2021-06-02 01:59:21,020 INFO L462 AbstractCegarLoop]: Interpolant automaton has 57 states [2021-06-02 01:59:21,020 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 01:59:21,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2021-06-02 01:59:21,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=805, Invalid=2387, Unknown=0, NotChecked=0, Total=3192 [2021-06-02 01:59:21,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:59:21,022 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 01:59:21,022 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 57 states, 57 states have (on average 3.4210526315789473) internal successors, (195), 56 states have internal predecessors, (195), 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) [2021-06-02 01:59:21,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 01:59:21,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:59:21,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:59:21,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-02 01:59:21,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-02 01:59:21,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-02 01:59:21,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 01:59:21,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-02 01:59:21,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-02 01:59:21,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-02 01:59:21,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-02 01:59:21,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-02 01:59:21,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-02 01:59:21,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 572 states. [2021-06-02 01:59:21,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:59:25,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 01:59:25,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:59:25,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:59:25,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-02 01:59:25,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-02 01:59:25,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-02 01:59:25,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 01:59:25,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-02 01:59:25,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-02 01:59:25,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-02 01:59:25,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-02 01:59:25,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-02 01:59:25,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-02 01:59:25,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 572 states. [2021-06-02 01:59:25,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-06-02 01:59:25,910 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 01:59:25,910 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 01:59:25,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 01:59:25,911 INFO L82 PathProgramCache]: Analyzing trace with hash -1860923577, now seen corresponding path program 13 times [2021-06-02 01:59:25,911 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 01:59:25,911 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588867929] [2021-06-02 01:59:25,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 01:59:25,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 01:59:26,628 INFO L134 CoverageAnalysis]: Checked inductivity of 1514 backedges. 441 proven. 590 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2021-06-02 01:59:26,628 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 01:59:26,628 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588867929] [2021-06-02 01:59:26,628 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588867929] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:59:26,628 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1566970561] [2021-06-02 01:59:26,628 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 01:59:26,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 01:59:26,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 37 conjunts are in the unsatisfiable core [2021-06-02 01:59:26,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-02 01:59:27,736 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2021-06-02 01:59:28,251 INFO L134 CoverageAnalysis]: Checked inductivity of 1514 backedges. 532 proven. 345 refuted. 0 times theorem prover too weak. 637 trivial. 0 not checked. [2021-06-02 01:59:28,251 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1566970561] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:59:28,252 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-02 01:59:28,252 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 36] total 78 [2021-06-02 01:59:28,252 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915874121] [2021-06-02 01:59:28,252 INFO L462 AbstractCegarLoop]: Interpolant automaton has 79 states [2021-06-02 01:59:28,252 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 01:59:28,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2021-06-02 01:59:28,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1100, Invalid=5062, Unknown=0, NotChecked=0, Total=6162 [2021-06-02 01:59:28,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:59:28,254 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 01:59:28,254 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 79 states, 79 states have (on average 3.0) internal successors, (237), 78 states have internal predecessors, (237), 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) [2021-06-02 01:59:28,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 01:59:28,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:59:28,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:59:28,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-02 01:59:28,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-02 01:59:28,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-02 01:59:28,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 01:59:28,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-02 01:59:28,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-02 01:59:28,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-02 01:59:28,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-02 01:59:28,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-02 01:59:28,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-02 01:59:28,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 572 states. [2021-06-02 01:59:28,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-06-02 01:59:28,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:59:33,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 01:59:33,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:59:33,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:59:33,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-02 01:59:33,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-02 01:59:33,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-02 01:59:33,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 01:59:33,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-02 01:59:33,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-02 01:59:33,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-02 01:59:33,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-02 01:59:33,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-02 01:59:33,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-02 01:59:33,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 572 states. [2021-06-02 01:59:33,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-06-02 01:59:33,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2021-06-02 01:59:33,893 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-06-02 01:59:33,893 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 01:59:33,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 01:59:33,893 INFO L82 PathProgramCache]: Analyzing trace with hash 595156167, now seen corresponding path program 14 times [2021-06-02 01:59:33,893 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 01:59:33,893 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324054809] [2021-06-02 01:59:33,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 01:59:33,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 01:59:34,874 INFO L134 CoverageAnalysis]: Checked inductivity of 3254 backedges. 1173 proven. 651 refuted. 0 times theorem prover too weak. 1430 trivial. 0 not checked. [2021-06-02 01:59:34,874 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 01:59:34,874 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324054809] [2021-06-02 01:59:34,874 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324054809] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:59:34,874 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1845674734] [2021-06-02 01:59:34,874 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 01:59:34,982 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-02 01:59:34,982 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-02 01:59:34,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 722 conjuncts, 44 conjunts are in the unsatisfiable core [2021-06-02 01:59:34,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-02 01:59:35,366 INFO L134 CoverageAnalysis]: Checked inductivity of 3254 backedges. 1173 proven. 651 refuted. 0 times theorem prover too weak. 1430 trivial. 0 not checked. [2021-06-02 01:59:35,366 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1845674734] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:59:35,366 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-02 01:59:35,366 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 23] total 46 [2021-06-02 01:59:35,366 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274734676] [2021-06-02 01:59:35,367 INFO L462 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-06-02 01:59:35,367 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 01:59:35,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-06-02 01:59:35,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=828, Invalid=1334, Unknown=0, NotChecked=0, Total=2162 [2021-06-02 01:59:35,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:59:35,368 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 01:59:35,368 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 47 states, 47 states have (on average 4.0212765957446805) internal successors, (189), 46 states have internal predecessors, (189), 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) [2021-06-02 01:59:35,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 01:59:35,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:59:35,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:59:35,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-02 01:59:35,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-02 01:59:35,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-02 01:59:35,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 01:59:35,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-02 01:59:35,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-02 01:59:35,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-02 01:59:35,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-02 01:59:35,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-02 01:59:35,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-02 01:59:35,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 572 states. [2021-06-02 01:59:35,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-06-02 01:59:35,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2021-06-02 01:59:35,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:59:38,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 01:59:38,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:59:38,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:59:38,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-02 01:59:38,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-02 01:59:38,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-02 01:59:38,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 01:59:38,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-02 01:59:38,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-02 01:59:38,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-02 01:59:38,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-02 01:59:38,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-02 01:59:38,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-02 01:59:38,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 572 states. [2021-06-02 01:59:38,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-06-02 01:59:38,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2021-06-02 01:59:38,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-02 01:59:39,033 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-06-02 01:59:39,034 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 01:59:39,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 01:59:39,034 INFO L82 PathProgramCache]: Analyzing trace with hash 1043653095, now seen corresponding path program 15 times [2021-06-02 01:59:39,034 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 01:59:39,034 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531286008] [2021-06-02 01:59:39,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 01:59:39,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 01:59:41,514 INFO L134 CoverageAnalysis]: Checked inductivity of 3318 backedges. 1106 proven. 1707 refuted. 0 times theorem prover too weak. 505 trivial. 0 not checked. [2021-06-02 01:59:41,515 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 01:59:41,515 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531286008] [2021-06-02 01:59:41,515 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531286008] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:59:41,515 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1741277480] [2021-06-02 01:59:41,515 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 01:59:41,738 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 31 check-sat command(s) [2021-06-02 01:59:41,738 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-02 01:59:41,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 55 conjunts are in the unsatisfiable core [2021-06-02 01:59:41,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-02 01:59:45,195 INFO L134 CoverageAnalysis]: Checked inductivity of 3318 backedges. 1741 proven. 715 refuted. 0 times theorem prover too weak. 862 trivial. 0 not checked. [2021-06-02 01:59:45,195 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1741277480] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:59:45,195 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-02 01:59:45,195 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [84, 54] total 137 [2021-06-02 01:59:45,195 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020635709] [2021-06-02 01:59:45,196 INFO L462 AbstractCegarLoop]: Interpolant automaton has 138 states [2021-06-02 01:59:45,196 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 01:59:45,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 138 interpolants. [2021-06-02 01:59:45,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2265, Invalid=16641, Unknown=0, NotChecked=0, Total=18906 [2021-06-02 01:59:45,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:59:45,200 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 01:59:45,200 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 138 states, 138 states have (on average 2.7971014492753623) internal successors, (386), 137 states have internal predecessors, (386), 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) [2021-06-02 01:59:45,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 01:59:45,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:59:45,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:59:45,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-02 01:59:45,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-02 01:59:45,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-02 01:59:45,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 01:59:45,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-02 01:59:45,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-02 01:59:45,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-02 01:59:45,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-02 01:59:45,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-02 01:59:45,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-02 01:59:45,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 572 states. [2021-06-02 01:59:45,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-06-02 01:59:45,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2021-06-02 01:59:45,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-02 01:59:45,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:59:50,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 01:59:50,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:59:50,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:59:50,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-02 01:59:50,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-02 01:59:50,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-02 01:59:50,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 01:59:50,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-02 01:59:50,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-02 01:59:50,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-02 01:59:50,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-02 01:59:50,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-02 01:59:50,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-02 01:59:50,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 593 states. [2021-06-02 01:59:50,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-06-02 01:59:50,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2021-06-02 01:59:50,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-02 01:59:50,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-02 01:59:50,655 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-06-02 01:59:50,655 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 01:59:50,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 01:59:50,656 INFO L82 PathProgramCache]: Analyzing trace with hash -106409315, now seen corresponding path program 16 times [2021-06-02 01:59:50,656 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 01:59:50,656 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354727294] [2021-06-02 01:59:50,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 01:59:50,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 01:59:55,616 INFO L134 CoverageAnalysis]: Checked inductivity of 5028 backedges. 914 proven. 3498 refuted. 0 times theorem prover too weak. 616 trivial. 0 not checked. [2021-06-02 01:59:55,617 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 01:59:55,617 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354727294] [2021-06-02 01:59:55,617 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354727294] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:59:55,617 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1089567723] [2021-06-02 01:59:55,617 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 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 01:59:55,735 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-02 01:59:55,736 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-02 01:59:55,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 886 conjuncts, 70 conjunts are in the unsatisfiable core [2021-06-02 01:59:55,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-02 01:59:57,737 INFO L134 CoverageAnalysis]: Checked inductivity of 5028 backedges. 2421 proven. 1122 refuted. 0 times theorem prover too weak. 1485 trivial. 0 not checked. [2021-06-02 01:59:57,737 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1089567723] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:59:57,737 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-02 01:59:57,737 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [125, 26] total 150 [2021-06-02 01:59:57,737 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338453946] [2021-06-02 01:59:57,738 INFO L462 AbstractCegarLoop]: Interpolant automaton has 151 states [2021-06-02 01:59:57,738 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 01:59:57,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 151 interpolants. [2021-06-02 01:59:57,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2456, Invalid=20194, Unknown=0, NotChecked=0, Total=22650 [2021-06-02 01:59:57,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:59:57,742 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 01:59:57,743 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 151 states, 151 states have (on average 2.5827814569536423) internal successors, (390), 150 states have internal predecessors, (390), 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) [2021-06-02 01:59:57,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 01:59:57,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:59:57,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:59:57,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-02 01:59:57,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-02 01:59:57,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-02 01:59:57,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 01:59:57,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-02 01:59:57,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-02 01:59:57,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-02 01:59:57,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-02 01:59:57,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-02 01:59:57,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-02 01:59:57,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 593 states. [2021-06-02 01:59:57,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-06-02 01:59:57,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2021-06-02 01:59:57,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-02 01:59:57,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-02 01:59:57,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 02:00:36,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 02:00:36,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 02:00:36,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 02:00:36,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-02 02:00:36,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-02 02:00:36,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-02 02:00:36,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 02:00:36,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-02 02:00:36,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-02 02:00:36,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-02 02:00:36,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-02 02:00:36,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-02 02:00:36,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-02 02:00:36,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 593 states. [2021-06-02 02:00:36,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-06-02 02:00:36,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2021-06-02 02:00:36,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-02 02:00:36,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-02 02:00:36,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 495 states. [2021-06-02 02:00:36,515 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 02:00:36,515 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 02:00:36,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 02:00:36,515 INFO L82 PathProgramCache]: Analyzing trace with hash 527584747, now seen corresponding path program 17 times [2021-06-02 02:00:36,515 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 02:00:36,515 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495072985] [2021-06-02 02:00:36,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 02:00:36,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 02:00:38,343 INFO L134 CoverageAnalysis]: Checked inductivity of 4030 backedges. 2074 proven. 1928 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-06-02 02:00:38,343 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 02:00:38,343 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495072985] [2021-06-02 02:00:38,343 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495072985] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 02:00:38,344 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [952350781] [2021-06-02 02:00:38,344 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 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 02:00:38,612 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2021-06-02 02:00:38,612 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-02 02:00:38,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 797 conjuncts, 56 conjunts are in the unsatisfiable core [2021-06-02 02:00:38,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-02 02:00:40,009 INFO L134 CoverageAnalysis]: Checked inductivity of 4030 backedges. 2024 proven. 576 refuted. 0 times theorem prover too weak. 1430 trivial. 0 not checked. [2021-06-02 02:00:40,010 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [952350781] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 02:00:40,010 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-02 02:00:40,010 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [72, 32] total 103 [2021-06-02 02:00:40,010 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959872345] [2021-06-02 02:00:40,011 INFO L462 AbstractCegarLoop]: Interpolant automaton has 104 states [2021-06-02 02:00:40,011 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 02:00:40,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 104 interpolants. [2021-06-02 02:00:40,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2051, Invalid=8661, Unknown=0, NotChecked=0, Total=10712 [2021-06-02 02:00:40,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 02:00:40,013 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 02:00:40,013 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 104 states, 104 states have (on average 4.173076923076923) internal successors, (434), 103 states have internal predecessors, (434), 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) [2021-06-02 02:00:40,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 02:00:40,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 02:00:40,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 02:00:40,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-02 02:00:40,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-02 02:00:40,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-02 02:00:40,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 02:00:40,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-02 02:00:40,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-02 02:00:40,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-02 02:00:40,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-02 02:00:40,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-02 02:00:40,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-02 02:00:40,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 593 states. [2021-06-02 02:00:40,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-06-02 02:00:40,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2021-06-02 02:00:40,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-02 02:00:40,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-02 02:00:40,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 495 states. [2021-06-02 02:00:40,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 02:01:09,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 02:01:09,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 02:01:09,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 02:01:09,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-02 02:01:09,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-02 02:01:09,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-02 02:01:09,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 02:01:09,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-02 02:01:09,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-02 02:01:09,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-02 02:01:09,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-02 02:01:09,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-02 02:01:09,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-02 02:01:09,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 593 states. [2021-06-02 02:01:09,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-06-02 02:01:09,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2021-06-02 02:01:09,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-02 02:01:09,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-02 02:01:09,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 495 states. [2021-06-02 02:01:09,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 415 states. [2021-06-02 02:01:09,716 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 02:01:09,717 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 02:01:09,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 02:01:09,717 INFO L82 PathProgramCache]: Analyzing trace with hash -1421445641, now seen corresponding path program 18 times [2021-06-02 02:01:09,717 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 02:01:09,717 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895473616] [2021-06-02 02:01:09,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 02:01:09,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 02:01:11,057 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2021-06-02 02:01:20,651 INFO L134 CoverageAnalysis]: Checked inductivity of 6170 backedges. 2926 proven. 2628 refuted. 0 times theorem prover too weak. 616 trivial. 0 not checked. [2021-06-02 02:01:20,652 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 02:01:20,652 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895473616] [2021-06-02 02:01:20,652 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895473616] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 02:01:20,652 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1264542043] [2021-06-02 02:01:20,652 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 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 02:01:21,087 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 53 check-sat command(s) [2021-06-02 02:01:21,087 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-02 02:01:21,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 945 conjuncts, 79 conjunts are in the unsatisfiable core [2021-06-02 02:01:21,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-02 02:01:29,123 INFO L134 CoverageAnalysis]: Checked inductivity of 6170 backedges. 3015 proven. 1877 refuted. 0 times theorem prover too weak. 1278 trivial. 0 not checked. [2021-06-02 02:01:29,123 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1264542043] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 02:01:29,124 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-02 02:01:29,124 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [156, 78] total 233 [2021-06-02 02:01:29,124 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798575503] [2021-06-02 02:01:29,125 INFO L462 AbstractCegarLoop]: Interpolant automaton has 234 states [2021-06-02 02:01:29,125 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 02:01:29,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 234 interpolants. [2021-06-02 02:01:29,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6720, Invalid=47802, Unknown=0, NotChecked=0, Total=54522 [2021-06-02 02:01:29,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 02:01:29,129 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 02:01:29,129 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 234 states, 234 states have (on average 2.252136752136752) internal successors, (527), 233 states have internal predecessors, (527), 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) [2021-06-02 02:01:29,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 02:01:29,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 02:01:29,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 02:01:29,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-02 02:01:29,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-02 02:01:29,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-02 02:01:29,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 02:01:29,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-02 02:01:29,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-02 02:01:29,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-02 02:01:29,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-02 02:01:29,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-02 02:01:29,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-02 02:01:29,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 593 states. [2021-06-02 02:01:29,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-06-02 02:01:29,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2021-06-02 02:01:29,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-02 02:01:29,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-02 02:01:29,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 495 states. [2021-06-02 02:01:29,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 415 states. [2021-06-02 02:01:29,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 02:03:44,732 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-06-02 02:04:35,809 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2021-06-02 02:06:13,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 02:06:13,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 02:06:13,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 02:06:13,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-02 02:06:13,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-02 02:06:13,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-02 02:06:13,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 02:06:13,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-02 02:06:13,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-02 02:06:13,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-02 02:06:13,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-02 02:06:13,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-02 02:06:13,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-02 02:06:13,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 593 states. [2021-06-02 02:06:13,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-06-02 02:06:13,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2021-06-02 02:06:13,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-02 02:06:13,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-02 02:06:13,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 495 states. [2021-06-02 02:06:13,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 415 states. [2021-06-02 02:06:13,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2201 states. [2021-06-02 02:06:13,865 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-06-02 02:06:13,865 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 02:06:13,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 02:06:13,865 INFO L82 PathProgramCache]: Analyzing trace with hash -1606640615, now seen corresponding path program 19 times [2021-06-02 02:06:13,865 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 02:06:13,866 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268860317] [2021-06-02 02:06:13,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 02:06:13,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 02:06:16,961 INFO L134 CoverageAnalysis]: Checked inductivity of 8186 backedges. 3557 proven. 3290 refuted. 0 times theorem prover too weak. 1339 trivial. 0 not checked. [2021-06-02 02:06:16,962 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 02:06:16,962 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268860317] [2021-06-02 02:06:16,962 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268860317] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 02:06:16,962 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [692173176] [2021-06-02 02:06:16,962 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 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 02:06:17,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 02:06:17,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 1070 conjuncts, 80 conjunts are in the unsatisfiable core [2021-06-02 02:06:17,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-02 02:06:20,698 INFO L134 CoverageAnalysis]: Checked inductivity of 8186 backedges. 4683 proven. 961 refuted. 0 times theorem prover too weak. 2542 trivial. 0 not checked. [2021-06-02 02:06:20,698 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [692173176] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 02:06:20,699 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-02 02:06:20,699 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [95, 49] total 143 [2021-06-02 02:06:20,699 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734619123] [2021-06-02 02:06:20,699 INFO L462 AbstractCegarLoop]: Interpolant automaton has 144 states [2021-06-02 02:06:20,699 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 02:06:20,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 144 interpolants. [2021-06-02 02:06:20,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3575, Invalid=17017, Unknown=0, NotChecked=0, Total=20592 [2021-06-02 02:06:20,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 02:06:20,702 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 02:06:20,702 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 144 states, 144 states have (on average 3.6319444444444446) internal successors, (523), 143 states have internal predecessors, (523), 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) [2021-06-02 02:06:20,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 02:06:20,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 02:06:20,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 02:06:20,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-02 02:06:20,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-02 02:06:20,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-02 02:06:20,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 02:06:20,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-02 02:06:20,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-02 02:06:20,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-02 02:06:20,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-02 02:06:20,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-02 02:06:20,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-02 02:06:20,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 593 states. [2021-06-02 02:06:20,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-06-02 02:06:20,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2021-06-02 02:06:20,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-02 02:06:20,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-02 02:06:20,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 495 states. [2021-06-02 02:06:20,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 415 states. [2021-06-02 02:06:20,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2201 states. [2021-06-02 02:06:20,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 02:07:23,593 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-06-02 02:08:54,625 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-06-02 02:10:29,731 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 15 Received shutdown request... [2021-06-02 02:10:35,830 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-06-02 02:10:35,831 WARN L547 AbstractCegarLoop]: Verification canceled [2021-06-02 02:10:35,859 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-02 02:10:35,861 WARN L196 ceAbstractionStarter]: Timeout [2021-06-02 02:10:35,862 INFO L202 PluginConnector]: Adding new model buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.06 02:10:35 BasicIcfg [2021-06-02 02:10:35,862 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-02 02:10:35,862 INFO L168 Benchmark]: Toolchain (without parser) took 752907.96 ms. Allocated memory was 348.1 MB in the beginning and 10.6 GB in the end (delta: 10.2 GB). Free memory was 327.2 MB in the beginning and 5.7 GB in the end (delta: -5.4 GB). Peak memory consumption was 4.8 GB. Max. memory is 16.0 GB. [2021-06-02 02:10:35,862 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.16 ms. Allocated memory is still 348.1 MB. Free memory was 328.4 MB in the beginning and 328.4 MB in the end (delta: 71.5 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-02 02:10:35,862 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.04 ms. Allocated memory is still 348.1 MB. Free memory was 327.1 MB in the beginning and 325.7 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-02 02:10:35,862 INFO L168 Benchmark]: Boogie Preprocessor took 18.68 ms. Allocated memory is still 348.1 MB. Free memory was 325.7 MB in the beginning and 324.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-02 02:10:35,862 INFO L168 Benchmark]: RCFGBuilder took 326.15 ms. Allocated memory is still 348.1 MB. Free memory was 324.5 MB in the beginning and 309.1 MB in the end (delta: 15.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. [2021-06-02 02:10:35,862 INFO L168 Benchmark]: TraceAbstraction took 752525.76 ms. Allocated memory was 348.1 MB in the beginning and 10.6 GB in the end (delta: 10.2 GB). Free memory was 308.7 MB in the beginning and 5.7 GB in the end (delta: -5.4 GB). Peak memory consumption was 4.8 GB. Max. memory is 16.0 GB. [2021-06-02 02:10:35,863 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.16 ms. Allocated memory is still 348.1 MB. Free memory was 328.4 MB in the beginning and 328.4 MB in the end (delta: 71.5 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 33.04 ms. Allocated memory is still 348.1 MB. Free memory was 327.1 MB in the beginning and 325.7 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 18.68 ms. Allocated memory is still 348.1 MB. Free memory was 325.7 MB in the beginning and 324.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 326.15 ms. Allocated memory is still 348.1 MB. Free memory was 324.5 MB in the beginning and 309.1 MB in the end (delta: 15.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. * TraceAbstraction took 752525.76 ms. Allocated memory was 348.1 MB in the beginning and 10.6 GB in the end (delta: 10.2 GB). Free memory was 308.7 MB in the beginning and 5.7 GB in the end (delta: -5.4 GB). Peak memory consumption was 4.8 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 13631732, positive: 12557295, positive conditional: 12557295, positive unconditional: 0, negative: 1074437, negative conditional: 1074437, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 12561530, positive: 12557295, positive conditional: 12557295, positive unconditional: 0, negative: 4235, negative conditional: 4235, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 12561530, positive: 12018503, positive conditional: 0, positive unconditional: 12018503, negative: 543027, negative conditional: 0, negative unconditional: 543027, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 174, positive: 170, positive conditional: 0, positive unconditional: 170, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 174, positive: 163, positive conditional: 0, positive unconditional: 163, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1511, positive: 1201, positive conditional: 1194, positive unconditional: 7, negative: 310, negative conditional: 306, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2074, positive: 1594, positive conditional: 1569, positive unconditional: 25, negative: 480, negative conditional: 444, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 12561530, positive: 12018333, positive conditional: 0, positive unconditional: 12018333, negative: 543023, negative conditional: 0, negative unconditional: 543023, unknown: 174, unknown conditional: 0, unknown unconditional: 174] , Statistics on independence cache: Total cache size (in pairs): 1674, Positive cache size: 1364, Positive conditional cache size: 1194, Positive unconditional cache size: 170, Negative cache size: 310, Negative conditional cache size: 306, Negative unconditional cache size: 4, SemanticConditionEliminator.Independence Queries: [ total: 4042231, positive: 538792, positive conditional: 538792, positive unconditional: 0, negative: 3503439, negative conditional: 1528552, negative unconditional: 1974887, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4042231, positive: 538792, positive conditional: 538792, positive unconditional: 0, negative: 3503439, negative conditional: 1528552, negative unconditional: 1974887, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1511, positive: 1201, positive conditional: 1194, positive unconditional: 7, negative: 310, negative conditional: 306, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2074, positive: 1594, positive conditional: 1569, positive unconditional: 25, negative: 480, negative conditional: 444, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4042231, positive: 537598, positive conditional: 537598, positive unconditional: 0, negative: 3503133, negative conditional: 1528246, negative unconditional: 1974887, unknown: 1500, unknown conditional: 1500, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1674, Positive cache size: 1364, Positive conditional cache size: 1194, Positive unconditional cache size: 170, Negative cache size: 310, Negative conditional cache size: 306, Negative unconditional cache size: 4, Eliminated conditions: 1974887, SemanticConditionEliminator.Independence Queries: [ total: 4042231, positive: 538792, positive conditional: 538792, positive unconditional: 0, negative: 3503439, negative conditional: 1528552, negative unconditional: 1974887, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4042231, positive: 538792, positive conditional: 538792, positive unconditional: 0, negative: 3503439, negative conditional: 1528552, negative unconditional: 1974887, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1511, positive: 1201, positive conditional: 1194, positive unconditional: 7, negative: 310, negative conditional: 306, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2074, positive: 1594, positive conditional: 1569, positive unconditional: 25, negative: 480, negative conditional: 444, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4042231, positive: 537598, positive conditional: 537598, positive unconditional: 0, negative: 3503133, negative conditional: 1528246, negative unconditional: 1974887, unknown: 1500, unknown conditional: 1500, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1674, Positive cache size: 1364, Positive conditional cache size: 1194, Positive unconditional cache size: 170, Negative cache size: 310, Negative conditional cache size: 306, Negative unconditional cache size: 4, Eliminated conditions: 1974887, SemanticConditionEliminator.Independence Queries: [ total: 4042231, positive: 538792, positive conditional: 538792, positive unconditional: 0, negative: 3503439, negative conditional: 1528552, negative unconditional: 1974887, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4042231, positive: 538792, positive conditional: 538792, positive unconditional: 0, negative: 3503439, negative conditional: 1528552, negative unconditional: 1974887, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1511, positive: 1201, positive conditional: 1194, positive unconditional: 7, negative: 310, negative conditional: 306, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2074, positive: 1594, positive conditional: 1569, positive unconditional: 25, negative: 480, negative conditional: 444, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4042231, positive: 537598, positive conditional: 537598, positive unconditional: 0, negative: 3503133, negative conditional: 1528246, negative unconditional: 1974887, unknown: 1500, unknown conditional: 1500, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1674, Positive cache size: 1364, Positive conditional cache size: 1194, Positive unconditional cache size: 170, Negative cache size: 310, Negative conditional cache size: 306, Negative unconditional cache size: 4, Eliminated conditions: 1974887, SemanticConditionEliminator.Independence Queries: [ total: 4042231, positive: 538792, positive conditional: 538792, positive unconditional: 0, negative: 3503439, negative conditional: 1528552, negative unconditional: 1974887, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4042231, positive: 538792, positive conditional: 538792, positive unconditional: 0, negative: 3503439, negative conditional: 1528552, negative unconditional: 1974887, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1511, positive: 1201, positive conditional: 1194, positive unconditional: 7, negative: 310, negative conditional: 306, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2074, positive: 1594, positive conditional: 1569, positive unconditional: 25, negative: 480, negative conditional: 444, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4042231, positive: 537598, positive conditional: 537598, positive unconditional: 0, negative: 3503133, negative conditional: 1528246, negative unconditional: 1974887, unknown: 1500, unknown conditional: 1500, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1674, Positive cache size: 1364, Positive conditional cache size: 1194, Positive unconditional cache size: 170, Negative cache size: 310, Negative conditional cache size: 306, Negative unconditional cache size: 4, Eliminated conditions: 1974887, SemanticConditionEliminator.Independence Queries: [ total: 4042231, positive: 538792, positive conditional: 538792, positive unconditional: 0, negative: 3503439, negative conditional: 1528552, negative unconditional: 1974887, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4042231, positive: 538792, positive conditional: 538792, positive unconditional: 0, negative: 3503439, negative conditional: 1528552, negative unconditional: 1974887, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1511, positive: 1201, positive conditional: 1194, positive unconditional: 7, negative: 310, negative conditional: 306, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2074, positive: 1594, positive conditional: 1569, positive unconditional: 25, negative: 480, negative conditional: 444, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4042231, positive: 537598, positive conditional: 537598, positive unconditional: 0, negative: 3503133, negative conditional: 1528246, negative unconditional: 1974887, unknown: 1500, unknown conditional: 1500, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1674, Positive cache size: 1364, Positive conditional cache size: 1194, Positive unconditional cache size: 170, Negative cache size: 310, Negative conditional cache size: 306, Negative unconditional cache size: 4, Eliminated conditions: 1974887, SemanticConditionEliminator.Independence Queries: [ total: 4042231, positive: 538792, positive conditional: 538792, positive unconditional: 0, negative: 3503439, negative conditional: 1528552, negative unconditional: 1974887, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4042231, positive: 538792, positive conditional: 538792, positive unconditional: 0, negative: 3503439, negative conditional: 1528552, negative unconditional: 1974887, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1511, positive: 1201, positive conditional: 1194, positive unconditional: 7, negative: 310, negative conditional: 306, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2074, positive: 1594, positive conditional: 1569, positive unconditional: 25, negative: 480, negative conditional: 444, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4042231, positive: 537598, positive conditional: 537598, positive unconditional: 0, negative: 3503133, negative conditional: 1528246, negative unconditional: 1974887, unknown: 1500, unknown conditional: 1500, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1674, Positive cache size: 1364, Positive conditional cache size: 1194, Positive unconditional cache size: 170, Negative cache size: 310, Negative conditional cache size: 306, Negative unconditional cache size: 4, Eliminated conditions: 1974887, SemanticConditionEliminator.Independence Queries: [ total: 4042231, positive: 538792, positive conditional: 538792, positive unconditional: 0, negative: 3503439, negative conditional: 1528552, negative unconditional: 1974887, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4042231, positive: 538792, positive conditional: 538792, positive unconditional: 0, negative: 3503439, negative conditional: 1528552, negative unconditional: 1974887, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1511, positive: 1201, positive conditional: 1194, positive unconditional: 7, negative: 310, negative conditional: 306, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2074, positive: 1594, positive conditional: 1569, positive unconditional: 25, negative: 480, negative conditional: 444, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4042231, positive: 537598, positive conditional: 537598, positive unconditional: 0, negative: 3503133, negative conditional: 1528246, negative unconditional: 1974887, unknown: 1500, unknown conditional: 1500, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1674, Positive cache size: 1364, Positive conditional cache size: 1194, Positive unconditional cache size: 170, Negative cache size: 310, Negative conditional cache size: 306, Negative unconditional cache size: 4, Eliminated conditions: 1974887, SemanticConditionEliminator.Independence Queries: [ total: 4042231, positive: 538792, positive conditional: 538792, positive unconditional: 0, negative: 3503439, negative conditional: 1528552, negative unconditional: 1974887, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4042231, positive: 538792, positive conditional: 538792, positive unconditional: 0, negative: 3503439, negative conditional: 1528552, negative unconditional: 1974887, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1511, positive: 1201, positive conditional: 1194, positive unconditional: 7, negative: 310, negative conditional: 306, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2074, positive: 1594, positive conditional: 1569, positive unconditional: 25, negative: 480, negative conditional: 444, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4042231, positive: 537598, positive conditional: 537598, positive unconditional: 0, negative: 3503133, negative conditional: 1528246, negative unconditional: 1974887, unknown: 1500, unknown conditional: 1500, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1674, Positive cache size: 1364, Positive conditional cache size: 1194, Positive unconditional cache size: 170, Negative cache size: 310, Negative conditional cache size: 306, Negative unconditional cache size: 4, Eliminated conditions: 1974887, SemanticConditionEliminator.Independence Queries: [ total: 4042231, positive: 538792, positive conditional: 538792, positive unconditional: 0, negative: 3503439, negative conditional: 1528552, negative unconditional: 1974887, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4042231, positive: 538792, positive conditional: 538792, positive unconditional: 0, negative: 3503439, negative conditional: 1528552, negative unconditional: 1974887, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1511, positive: 1201, positive conditional: 1194, positive unconditional: 7, negative: 310, negative conditional: 306, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2074, positive: 1594, positive conditional: 1569, positive unconditional: 25, negative: 480, negative conditional: 444, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4042231, positive: 537598, positive conditional: 537598, positive unconditional: 0, negative: 3503133, negative conditional: 1528246, negative unconditional: 1974887, unknown: 1500, unknown conditional: 1500, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1674, Positive cache size: 1364, Positive conditional cache size: 1194, Positive unconditional cache size: 170, Negative cache size: 310, Negative conditional cache size: 306, Negative unconditional cache size: 4, Eliminated conditions: 1974887, SemanticConditionEliminator.Independence Queries: [ total: 4042231, positive: 538792, positive conditional: 538792, positive unconditional: 0, negative: 3503439, negative conditional: 1528552, negative unconditional: 1974887, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4042231, positive: 538792, positive conditional: 538792, positive unconditional: 0, negative: 3503439, negative conditional: 1528552, negative unconditional: 1974887, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1511, positive: 1201, positive conditional: 1194, positive unconditional: 7, negative: 310, negative conditional: 306, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2074, positive: 1594, positive conditional: 1569, positive unconditional: 25, negative: 480, negative conditional: 444, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4042231, positive: 537598, positive conditional: 537598, positive unconditional: 0, negative: 3503133, negative conditional: 1528246, negative unconditional: 1974887, unknown: 1500, unknown conditional: 1500, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1674, Positive cache size: 1364, Positive conditional cache size: 1194, Positive unconditional cache size: 170, Negative cache size: 310, Negative conditional cache size: 306, Negative unconditional cache size: 4, Eliminated conditions: 1974887, SemanticConditionEliminator.Independence Queries: [ total: 4042231, positive: 538792, positive conditional: 538792, positive unconditional: 0, negative: 3503439, negative conditional: 1528552, negative unconditional: 1974887, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4042231, positive: 538792, positive conditional: 538792, positive unconditional: 0, negative: 3503439, negative conditional: 1528552, negative unconditional: 1974887, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1511, positive: 1201, positive conditional: 1194, positive unconditional: 7, negative: 310, negative conditional: 306, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2074, positive: 1594, positive conditional: 1569, positive unconditional: 25, negative: 480, negative conditional: 444, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4042231, positive: 537598, positive conditional: 537598, positive unconditional: 0, negative: 3503133, negative conditional: 1528246, negative unconditional: 1974887, unknown: 1500, unknown conditional: 1500, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1674, Positive cache size: 1364, Positive conditional cache size: 1194, Positive unconditional cache size: 170, Negative cache size: 310, Negative conditional cache size: 306, Negative unconditional cache size: 4, Eliminated conditions: 1974887, SemanticConditionEliminator.Independence Queries: [ total: 4042231, positive: 538792, positive conditional: 538792, positive unconditional: 0, negative: 3503439, negative conditional: 1528552, negative unconditional: 1974887, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4042231, positive: 538792, positive conditional: 538792, positive unconditional: 0, negative: 3503439, negative conditional: 1528552, negative unconditional: 1974887, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1511, positive: 1201, positive conditional: 1194, positive unconditional: 7, negative: 310, negative conditional: 306, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2074, positive: 1594, positive conditional: 1569, positive unconditional: 25, negative: 480, negative conditional: 444, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4042231, positive: 537598, positive conditional: 537598, positive unconditional: 0, negative: 3503133, negative conditional: 1528246, negative unconditional: 1974887, unknown: 1500, unknown conditional: 1500, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1674, Positive cache size: 1364, Positive conditional cache size: 1194, Positive unconditional cache size: 170, Negative cache size: 310, Negative conditional cache size: 306, Negative unconditional cache size: 4, Eliminated conditions: 1974887, SemanticConditionEliminator.Independence Queries: [ total: 4042231, positive: 538792, positive conditional: 538792, positive unconditional: 0, negative: 3503439, negative conditional: 1528552, negative unconditional: 1974887, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4042231, positive: 538792, positive conditional: 538792, positive unconditional: 0, negative: 3503439, negative conditional: 1528552, negative unconditional: 1974887, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1511, positive: 1201, positive conditional: 1194, positive unconditional: 7, negative: 310, negative conditional: 306, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2074, positive: 1594, positive conditional: 1569, positive unconditional: 25, negative: 480, negative conditional: 444, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4042231, positive: 537598, positive conditional: 537598, positive unconditional: 0, negative: 3503133, negative conditional: 1528246, negative unconditional: 1974887, unknown: 1500, unknown conditional: 1500, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1674, Positive cache size: 1364, Positive conditional cache size: 1194, Positive unconditional cache size: 170, Negative cache size: 310, Negative conditional cache size: 306, Negative unconditional cache size: 4, Eliminated conditions: 1974887, SemanticConditionEliminator.Independence Queries: [ total: 4042231, positive: 538792, positive conditional: 538792, positive unconditional: 0, negative: 3503439, negative conditional: 1528552, negative unconditional: 1974887, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4042231, positive: 538792, positive conditional: 538792, positive unconditional: 0, negative: 3503439, negative conditional: 1528552, negative unconditional: 1974887, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1511, positive: 1201, positive conditional: 1194, positive unconditional: 7, negative: 310, negative conditional: 306, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2074, positive: 1594, positive conditional: 1569, positive unconditional: 25, negative: 480, negative conditional: 444, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4042231, positive: 537598, positive conditional: 537598, positive unconditional: 0, negative: 3503133, negative conditional: 1528246, negative unconditional: 1974887, unknown: 1500, unknown conditional: 1500, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1674, Positive cache size: 1364, Positive conditional cache size: 1194, Positive unconditional cache size: 170, Negative cache size: 310, Negative conditional cache size: 306, Negative unconditional cache size: 4, Eliminated conditions: 1974887, SemanticConditionEliminator.Independence Queries: [ total: 4042231, positive: 538792, positive conditional: 538792, positive unconditional: 0, negative: 3503439, negative conditional: 1528552, negative unconditional: 1974887, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4042231, positive: 538792, positive conditional: 538792, positive unconditional: 0, negative: 3503439, negative conditional: 1528552, negative unconditional: 1974887, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1511, positive: 1201, positive conditional: 1194, positive unconditional: 7, negative: 310, negative conditional: 306, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2074, positive: 1594, positive conditional: 1569, positive unconditional: 25, negative: 480, negative conditional: 444, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4042231, positive: 537598, positive conditional: 537598, positive unconditional: 0, negative: 3503133, negative conditional: 1528246, negative unconditional: 1974887, unknown: 1500, unknown conditional: 1500, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1674, Positive cache size: 1364, Positive conditional cache size: 1194, Positive unconditional cache size: 170, Negative cache size: 310, Negative conditional cache size: 306, Negative unconditional cache size: 4, Eliminated conditions: 1974887, SemanticConditionEliminator.Independence Queries: [ total: 4042231, positive: 538792, positive conditional: 538792, positive unconditional: 0, negative: 3503439, negative conditional: 1528552, negative unconditional: 1974887, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4042231, positive: 538792, positive conditional: 538792, positive unconditional: 0, negative: 3503439, negative conditional: 1528552, negative unconditional: 1974887, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1511, positive: 1201, positive conditional: 1194, positive unconditional: 7, negative: 310, negative conditional: 306, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2074, positive: 1594, positive conditional: 1569, positive unconditional: 25, negative: 480, negative conditional: 444, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4042231, positive: 537598, positive conditional: 537598, positive unconditional: 0, negative: 3503133, negative conditional: 1528246, negative unconditional: 1974887, unknown: 1500, unknown conditional: 1500, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1674, Positive cache size: 1364, Positive conditional cache size: 1194, Positive unconditional cache size: 170, Negative cache size: 310, Negative conditional cache size: 306, Negative unconditional cache size: 4, Eliminated conditions: 1974887, SemanticConditionEliminator.Independence Queries: [ total: 4042231, positive: 538792, positive conditional: 538792, positive unconditional: 0, negative: 3503439, negative conditional: 1528552, negative unconditional: 1974887, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4042231, positive: 538792, positive conditional: 538792, positive unconditional: 0, negative: 3503439, negative conditional: 1528552, negative unconditional: 1974887, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1511, positive: 1201, positive conditional: 1194, positive unconditional: 7, negative: 310, negative conditional: 306, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2074, positive: 1594, positive conditional: 1569, positive unconditional: 25, negative: 480, negative conditional: 444, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4042231, positive: 537598, positive conditional: 537598, positive unconditional: 0, negative: 3503133, negative conditional: 1528246, negative unconditional: 1974887, unknown: 1500, unknown conditional: 1500, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1674, Positive cache size: 1364, Positive conditional cache size: 1194, Positive unconditional cache size: 170, Negative cache size: 310, Negative conditional cache size: 306, Negative unconditional cache size: 4, Eliminated conditions: 1974887, SemanticConditionEliminator.Independence Queries: [ total: 4042231, positive: 538792, positive conditional: 538792, positive unconditional: 0, negative: 3503439, negative conditional: 1528552, negative unconditional: 1974887, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4042231, positive: 538792, positive conditional: 538792, positive unconditional: 0, negative: 3503439, negative conditional: 1528552, negative unconditional: 1974887, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1511, positive: 1201, positive conditional: 1194, positive unconditional: 7, negative: 310, negative conditional: 306, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2074, positive: 1594, positive conditional: 1569, positive unconditional: 25, negative: 480, negative conditional: 444, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4042231, positive: 537598, positive conditional: 537598, positive unconditional: 0, negative: 3503133, negative conditional: 1528246, negative unconditional: 1974887, unknown: 1500, unknown conditional: 1500, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1674, Positive cache size: 1364, Positive conditional cache size: 1194, Positive unconditional cache size: 170, Negative cache size: 310, Negative conditional cache size: 306, Negative unconditional cache size: 4, Eliminated conditions: 1974887, SemanticConditionEliminator.Independence Queries: [ total: 4042231, positive: 538792, positive conditional: 538792, positive unconditional: 0, negative: 3503439, negative conditional: 1528552, negative unconditional: 1974887, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4042231, positive: 538792, positive conditional: 538792, positive unconditional: 0, negative: 3503439, negative conditional: 1528552, negative unconditional: 1974887, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1511, positive: 1201, positive conditional: 1194, positive unconditional: 7, negative: 310, negative conditional: 306, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2074, positive: 1594, positive conditional: 1569, positive unconditional: 25, negative: 480, negative conditional: 444, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4042231, positive: 537598, positive conditional: 537598, positive unconditional: 0, negative: 3503133, negative conditional: 1528246, negative unconditional: 1974887, unknown: 1500, unknown conditional: 1500, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1674, Positive cache size: 1364, Positive conditional cache size: 1194, Positive unconditional cache size: 170, Negative cache size: 310, Negative conditional cache size: 306, Negative unconditional cache size: 4, Eliminated conditions: 1974887, SemanticConditionEliminator.Independence Queries: [ total: 4042231, positive: 538792, positive conditional: 538792, positive unconditional: 0, negative: 3503439, negative conditional: 1528552, negative unconditional: 1974887, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4042231, positive: 538792, positive conditional: 538792, positive unconditional: 0, negative: 3503439, negative conditional: 1528552, negative unconditional: 1974887, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1511, positive: 1201, positive conditional: 1194, positive unconditional: 7, negative: 310, negative conditional: 306, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2074, positive: 1594, positive conditional: 1569, positive unconditional: 25, negative: 480, negative conditional: 444, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4042231, positive: 537598, positive conditional: 537598, positive unconditional: 0, negative: 3503133, negative conditional: 1528246, negative unconditional: 1974887, unknown: 1500, unknown conditional: 1500, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1674, Positive cache size: 1364, Positive conditional cache size: 1194, Positive unconditional cache size: 170, Negative cache size: 310, Negative conditional cache size: 306, Negative unconditional cache size: 4, Eliminated conditions: 1974887, SemanticConditionEliminator.Independence Queries: [ total: 4042231, positive: 538792, positive conditional: 538792, positive unconditional: 0, negative: 3503439, negative conditional: 1528552, negative unconditional: 1974887, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4042231, positive: 538792, positive conditional: 538792, positive unconditional: 0, negative: 3503439, negative conditional: 1528552, negative unconditional: 1974887, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1511, positive: 1201, positive conditional: 1194, positive unconditional: 7, negative: 310, negative conditional: 306, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2074, positive: 1594, positive conditional: 1569, positive unconditional: 25, negative: 480, negative conditional: 444, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4042231, positive: 537598, positive conditional: 537598, positive unconditional: 0, negative: 3503133, negative conditional: 1528246, negative unconditional: 1974887, unknown: 1500, unknown conditional: 1500, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1674, Positive cache size: 1364, Positive conditional cache size: 1194, Positive unconditional cache size: 170, Negative cache size: 310, Negative conditional cache size: 306, Negative unconditional cache size: 4, Eliminated conditions: 1974887, SemanticConditionEliminator.Independence Queries: [ total: 4042231, positive: 538792, positive conditional: 538792, positive unconditional: 0, negative: 3503439, negative conditional: 1528552, negative unconditional: 1974887, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4042231, positive: 538792, positive conditional: 538792, positive unconditional: 0, negative: 3503439, negative conditional: 1528552, negative unconditional: 1974887, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1511, positive: 1201, positive conditional: 1194, positive unconditional: 7, negative: 310, negative conditional: 306, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2074, positive: 1594, positive conditional: 1569, positive unconditional: 25, negative: 480, negative conditional: 444, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4042231, positive: 537598, positive conditional: 537598, positive unconditional: 0, negative: 3503133, negative conditional: 1528246, negative unconditional: 1974887, unknown: 1500, unknown conditional: 1500, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1674, Positive cache size: 1364, Positive conditional cache size: 1194, Positive unconditional cache size: 170, Negative cache size: 310, Negative conditional cache size: 306, Negative unconditional cache size: 4, Eliminated conditions: 1974887 ], Maximal queried relation: 22, Independence queries for same thread: 1070202 - TimeoutResultAtElement [Line: 82]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while executing SleepSetDelayReduction. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 54 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 752416.6ms, OverallIterations: 22, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9.9ms, PartialOrderReductionTime: 684219.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 6022, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 313.4ms SsaConstructionTime, 2417.6ms SatisfiabilityAnalysisTime, 60560.7ms InterpolantComputationTime, 6515 NumberOfCodeBlocks, 6473 NumberOfCodeBlocksAsserted, 263 NumberOfCheckSat, 6473 ConstructedInterpolants, 38 QuantifiedInterpolants, 48931 SizeOfPredicates, 44 NumberOfNonLiveVariables, 8487 ConjunctsInSsa, 776 ConjunctsInUnsatCore, 42 InterpolantComputations, 3 PerfectInterpolantSequences, 48340/72441 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown