/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Symm.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/buffer-mult.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-16 21:23:20,365 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-16 21:23:20,367 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-16 21:23:20,393 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-16 21:23:20,450 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Symm.epf [2021-06-16 21:23:20,471 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-16 21:23:20,471 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-16 21:23:20,472 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-16 21:23:20,472 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-16 21:23:20,473 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-16 21:23:20,473 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-16 21:23:20,473 INFO L138 SettingsManager]: * Use SBE=true [2021-06-16 21:23:20,474 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-16 21:23:20,474 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-16 21:23:20,474 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-16 21:23:20,474 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-16 21:23:20,474 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-16 21:23:20,475 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-16 21:23:20,475 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-16 21:23:20,475 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-16 21:23:20,475 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-16 21:23:20,475 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-16 21:23:20,475 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-16 21:23:20,476 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-16 21:23:20,476 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-16 21:23:20,476 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-16 21:23:20,476 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-16 21:23:20,476 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-16 21:23:20,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-16 21:23:20,477 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-16 21:23:20,477 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-16 21:23:20,477 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-16 21:23:20,477 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-16 21:23:20,477 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-16 21:23:20,477 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-16 21:23:20,478 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-16 21:23:20,478 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-16 21:23:20,478 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-16 21:23:20,478 INFO L138 SettingsManager]: * Limit POR to symmetric independence in concurrent analysis=true [2021-06-16 21:23:20,478 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-16 21:23:20,815 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-16 21:23:20,846 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-16 21:23:20,848 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-16 21:23:20,849 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-16 21:23:20,850 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-16 21:23:20,851 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/buffer-mult.wvr.bpl [2021-06-16 21:23:20,851 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/buffer-mult.wvr.bpl' [2021-06-16 21:23:20,903 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-16 21:23:20,905 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-16 21:23:20,906 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-16 21:23:20,906 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-16 21:23:20,906 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-16 21:23:20,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "buffer-mult.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 09:23:20" (1/1) ... [2021-06-16 21:23:20,926 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "buffer-mult.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 09:23:20" (1/1) ... [2021-06-16 21:23:20,935 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-16 21:23:20,936 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-16 21:23:20,936 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-16 21:23:20,936 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-16 21:23:20,943 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "buffer-mult.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 09:23:20" (1/1) ... [2021-06-16 21:23:20,943 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "buffer-mult.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 09:23:20" (1/1) ... [2021-06-16 21:23:20,946 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "buffer-mult.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 09:23:20" (1/1) ... [2021-06-16 21:23:20,946 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "buffer-mult.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 09:23:20" (1/1) ... [2021-06-16 21:23:20,952 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "buffer-mult.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 09:23:20" (1/1) ... [2021-06-16 21:23:20,957 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "buffer-mult.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 09:23:20" (1/1) ... [2021-06-16 21:23:20,958 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "buffer-mult.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 09:23:20" (1/1) ... [2021-06-16 21:23:20,963 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-16 21:23:20,964 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-16 21:23:20,965 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-16 21:23:20,965 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-16 21:23:20,966 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "buffer-mult.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 09:23:20" (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 [2021-06-16 21:23:21,039 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-16 21:23:21,040 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-16 21:23:21,040 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-16 21:23:21,040 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-16 21:23:21,040 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-16 21:23:21,040 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-16 21:23:21,040 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-16 21:23:21,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-16 21:23:21,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-16 21:23:21,042 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-16 21:23:21,042 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-16 21:23:21,042 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-16 21:23:21,042 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-06-16 21:23:21,042 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-06-16 21:23:21,043 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-06-16 21:23:21,043 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-16 21:23:21,357 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-16 21:23:21,357 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-16 21:23:21,359 INFO L202 PluginConnector]: Adding new model buffer-mult.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 09:23:21 BoogieIcfgContainer [2021-06-16 21:23:21,359 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-16 21:23:21,361 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-16 21:23:21,361 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-16 21:23:21,364 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-16 21:23:21,364 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "buffer-mult.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 09:23:20" (1/2) ... [2021-06-16 21:23:21,365 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@363606f1 and model type buffer-mult.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 09:23:21, skipping insertion in model container [2021-06-16 21:23:21,365 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "buffer-mult.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 09:23:21" (2/2) ... [2021-06-16 21:23:21,366 INFO L111 eAbstractionObserver]: Analyzing ICFG buffer-mult.wvr.bpl [2021-06-16 21:23:21,373 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-16 21:23:21,373 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-16 21:23:21,373 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-16 21:23:21,374 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-16 21:23:21,449 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-06-16 21:23:21,469 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 [2021-06-16 21:23:21,520 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-16 21:23:21,520 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-16 21:23:21,520 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-16 21:23:21,521 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-16 21:23:21,521 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-16 21:23:21,521 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-16 21:23:21,521 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-16 21:23:21,521 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-16 21:23:21,779 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:23:21,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:23:21,785 INFO L82 PathProgramCache]: Analyzing trace with hash 520586773, now seen corresponding path program 1 times [2021-06-16 21:23:21,793 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:23:21,794 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30740604] [2021-06-16 21:23:21,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:23:21,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:23:22,024 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-16 21:23:22,025 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:23:22,025 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30740604] [2021-06-16 21:23:22,026 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30740604] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:23:22,026 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1381759173] [2021-06-16 21:23:22,026 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 [2021-06-16 21:23:22,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:23:22,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-16 21:23:22,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:23:22,279 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-06-16 21:23:22,280 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1381759173] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 21:23:22,280 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-16 21:23:22,280 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2021-06-16 21:23:22,281 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014369317] [2021-06-16 21:23:22,285 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-16 21:23:22,285 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:23:22,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-16 21:23:22,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-16 21:23:22,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:23:22,299 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:23:22,300 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 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) [2021-06-16 21:23:22,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:23:22,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:23:22,605 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-06-16 21:23:22,605 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:23:22,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:23:22,606 INFO L82 PathProgramCache]: Analyzing trace with hash 1697013795, now seen corresponding path program 2 times [2021-06-16 21:23:22,606 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:23:22,607 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141729159] [2021-06-16 21:23:22,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:23:22,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:23:22,680 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-06-16 21:23:22,681 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:23:22,681 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141729159] [2021-06-16 21:23:22,681 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141729159] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:23:22,681 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1059619975] [2021-06-16 21:23:22,682 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 21:23:22,752 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-16 21:23:22,753 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 21:23:22,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-16 21:23:22,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:23:22,884 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-06-16 21:23:22,884 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1059619975] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 21:23:22,884 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-16 21:23:22,885 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2021-06-16 21:23:22,885 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406632585] [2021-06-16 21:23:22,885 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-16 21:23:22,886 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:23:22,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-16 21:23:22,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-16 21:23:22,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:23:22,886 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:23:22,887 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 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) [2021-06-16 21:23:22,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:23:22,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:23:22,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:23:22,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:23:23,176 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 21:23:23,177 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:23:23,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:23:23,178 INFO L82 PathProgramCache]: Analyzing trace with hash -125330987, now seen corresponding path program 3 times [2021-06-16 21:23:23,178 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:23:23,178 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000907332] [2021-06-16 21:23:23,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:23:23,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:23:23,700 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:23:23,700 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:23:23,700 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000907332] [2021-06-16 21:23:23,701 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000907332] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:23:23,701 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1204506912] [2021-06-16 21:23:23,701 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 21:23:23,781 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-16 21:23:23,781 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 21:23:23,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 35 conjunts are in the unsatisfiable core [2021-06-16 21:23:23,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:23:24,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:23:24,201 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:23:24,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 35 [2021-06-16 21:23:24,227 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-16 21:23:24,254 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:23:24,274 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-16 21:23:24,274 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:56, output treesize:30 [2021-06-16 21:23:24,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:23:24,635 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:23:24,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 38 [2021-06-16 21:23:24,652 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-16 21:23:24,679 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:23:24,718 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-16 21:23:24,719 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:56, output treesize:21 [2021-06-16 21:23:24,820 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:23:24,821 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1204506912] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:23:24,821 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:23:24,821 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12] total 18 [2021-06-16 21:23:24,821 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187576617] [2021-06-16 21:23:24,823 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-16 21:23:24,823 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:23:24,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-16 21:23:24,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2021-06-16 21:23:24,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:23:24,826 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:23:24,826 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 3.3157894736842106) internal successors, (63), 18 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 21:23:24,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:23:24,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:23:24,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:23:25,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:23:25,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:23:25,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:23:25,244 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 21:23:25,244 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:23:25,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:23:25,245 INFO L82 PathProgramCache]: Analyzing trace with hash -546025291, now seen corresponding path program 4 times [2021-06-16 21:23:25,245 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:23:25,245 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946373599] [2021-06-16 21:23:25,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:23:25,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:23:25,341 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-16 21:23:25,341 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:23:25,341 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946373599] [2021-06-16 21:23:25,341 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946373599] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:23:25,341 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1925762698] [2021-06-16 21:23:25,341 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 21:23:25,407 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-16 21:23:25,408 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 21:23:25,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-16 21:23:25,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:23:25,516 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-06-16 21:23:25,517 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1925762698] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:23:25,517 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:23:25,517 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4] total 10 [2021-06-16 21:23:25,517 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706287671] [2021-06-16 21:23:25,517 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-16 21:23:25,518 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:23:25,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-16 21:23:25,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-06-16 21:23:25,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:23:25,519 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:23:25,519 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 5.909090909090909) internal successors, (65), 10 states have internal predecessors, (65), 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) [2021-06-16 21:23:25,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:23:25,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:23:25,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:23:25,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:23:25,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:23:25,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:23:25,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:23:25,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 21:23:26,016 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-06-16 21:23:26,016 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:23:26,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:23:26,017 INFO L82 PathProgramCache]: Analyzing trace with hash -1619737980, now seen corresponding path program 5 times [2021-06-16 21:23:26,017 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:23:26,017 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084609023] [2021-06-16 21:23:26,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:23:26,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:23:26,067 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 47 proven. 9 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-06-16 21:23:26,068 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:23:26,068 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084609023] [2021-06-16 21:23:26,068 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084609023] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:23:26,068 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1298349586] [2021-06-16 21:23:26,069 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 21:23:26,126 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2021-06-16 21:23:26,126 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 21:23:26,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-16 21:23:26,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:23:26,377 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 54 proven. 41 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-06-16 21:23:26,377 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1298349586] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:23:26,377 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:23:26,377 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 12] total 16 [2021-06-16 21:23:26,378 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176423931] [2021-06-16 21:23:26,378 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-16 21:23:26,378 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:23:26,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-16 21:23:26,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2021-06-16 21:23:26,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:23:26,379 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:23:26,379 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 4.882352941176471) internal successors, (83), 16 states have internal predecessors, (83), 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) [2021-06-16 21:23:26,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:23:26,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:23:26,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:23:26,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 21:23:26,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:23:26,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:23:26,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:23:26,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:23:26,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-16 21:23:26,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 21:23:27,040 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 21:23:27,041 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:23:27,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:23:27,041 INFO L82 PathProgramCache]: Analyzing trace with hash 1335617585, now seen corresponding path program 6 times [2021-06-16 21:23:27,041 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:23:27,042 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565744218] [2021-06-16 21:23:27,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:23:27,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:23:27,074 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2021-06-16 21:23:27,074 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:23:27,074 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565744218] [2021-06-16 21:23:27,074 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565744218] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 21:23:27,075 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 21:23:27,075 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-16 21:23:27,075 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545997878] [2021-06-16 21:23:27,075 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-16 21:23:27,075 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:23:27,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-16 21:23:27,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-16 21:23:27,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:23:27,076 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:23:27,076 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 21:23:27,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:23:27,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:23:27,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:23:27,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-16 21:23:27,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 21:23:27,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:23:27,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:23:27,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:23:27,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:23:27,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-16 21:23:27,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 21:23:27,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:23:27,185 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-06-16 21:23:27,185 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:23:27,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:23:27,185 INFO L82 PathProgramCache]: Analyzing trace with hash -832463246, now seen corresponding path program 7 times [2021-06-16 21:23:27,185 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:23:27,186 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495208601] [2021-06-16 21:23:27,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:23:27,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:23:27,271 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 97 proven. 94 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2021-06-16 21:23:27,271 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:23:27,272 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495208601] [2021-06-16 21:23:27,272 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495208601] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:23:27,272 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [498104229] [2021-06-16 21:23:27,272 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 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 [2021-06-16 21:23:27,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:23:27,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-16 21:23:27,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:23:27,530 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 114 proven. 77 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2021-06-16 21:23:27,530 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [498104229] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:23:27,530 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:23:27,530 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-06-16 21:23:27,531 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167215857] [2021-06-16 21:23:27,531 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-16 21:23:27,531 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:23:27,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-16 21:23:27,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2021-06-16 21:23:27,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:23:27,532 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:23:27,532 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 21:23:27,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:23:27,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:23:27,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:23:27,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-16 21:23:27,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 21:23:27,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:23:27,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:23:27,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:23:27,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:23:27,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:23:27,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-16 21:23:27,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 21:23:27,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:23:27,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:23:27,852 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-06-16 21:23:27,853 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:23:27,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:23:27,853 INFO L82 PathProgramCache]: Analyzing trace with hash 1256435082, now seen corresponding path program 8 times [2021-06-16 21:23:27,854 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:23:27,854 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562384328] [2021-06-16 21:23:27,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:23:27,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:23:27,932 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 216 proven. 35 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2021-06-16 21:23:27,932 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:23:27,932 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562384328] [2021-06-16 21:23:27,932 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562384328] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:23:27,932 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1806960320] [2021-06-16 21:23:27,932 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 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 [2021-06-16 21:23:28,027 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-16 21:23:28,027 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 21:23:28,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 12 conjunts are in the unsatisfiable core [2021-06-16 21:23:28,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:23:28,181 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 216 proven. 35 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2021-06-16 21:23:28,181 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1806960320] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:23:28,182 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:23:28,182 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 8 [2021-06-16 21:23:28,182 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505667407] [2021-06-16 21:23:28,182 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-16 21:23:28,182 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:23:28,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-16 21:23:28,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2021-06-16 21:23:28,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:23:28,183 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:23:28,183 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 8 states have internal predecessors, (64), 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) [2021-06-16 21:23:28,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:23:28,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:23:28,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:23:28,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-16 21:23:28,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 21:23:28,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:23:28,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:23:28,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:23:28,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:23:28,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:23:28,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:23:28,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-16 21:23:28,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 21:23:28,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:23:28,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:23:28,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:23:28,469 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-06-16 21:23:28,469 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:23:28,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:23:28,470 INFO L82 PathProgramCache]: Analyzing trace with hash 628384426, now seen corresponding path program 9 times [2021-06-16 21:23:28,470 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:23:28,470 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965771053] [2021-06-16 21:23:28,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:23:28,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:23:28,847 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 69 proven. 247 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2021-06-16 21:23:28,847 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:23:28,847 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965771053] [2021-06-16 21:23:28,847 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965771053] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:23:28,847 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1607600635] [2021-06-16 21:23:28,848 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 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 [2021-06-16 21:23:28,920 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2021-06-16 21:23:28,920 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 21:23:28,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-16 21:23:28,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:23:29,234 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 156 proven. 7 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-06-16 21:23:29,234 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1607600635] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:23:29,234 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:23:29,234 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 7] total 27 [2021-06-16 21:23:29,235 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191541583] [2021-06-16 21:23:29,235 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-16 21:23:29,235 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:23:29,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-16 21:23:29,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=621, Unknown=0, NotChecked=0, Total=756 [2021-06-16 21:23:29,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:23:29,236 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:23:29,237 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 4.071428571428571) internal successors, (114), 27 states have internal predecessors, (114), 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) [2021-06-16 21:23:29,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:23:29,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:23:29,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:23:29,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-16 21:23:29,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 21:23:29,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:23:29,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:23:29,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:23:29,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:23:30,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:23:30,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:23:30,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:23:30,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-16 21:23:30,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 21:23:30,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:23:30,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:23:30,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:23:30,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-16 21:23:30,513 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 21:23:30,513 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:23:30,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:23:30,513 INFO L82 PathProgramCache]: Analyzing trace with hash -369483696, now seen corresponding path program 10 times [2021-06-16 21:23:30,514 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:23:30,514 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566641353] [2021-06-16 21:23:30,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:23:30,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:23:30,631 INFO L134 CoverageAnalysis]: Checked inductivity of 1021 backedges. 384 proven. 35 refuted. 0 times theorem prover too weak. 602 trivial. 0 not checked. [2021-06-16 21:23:30,631 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:23:30,631 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566641353] [2021-06-16 21:23:30,631 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566641353] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:23:30,631 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [875811152] [2021-06-16 21:23:30,631 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 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 [2021-06-16 21:23:30,721 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-16 21:23:30,721 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 21:23:30,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-16 21:23:30,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:23:31,077 INFO L134 CoverageAnalysis]: Checked inductivity of 1021 backedges. 402 proven. 25 refuted. 0 times theorem prover too weak. 594 trivial. 0 not checked. [2021-06-16 21:23:31,077 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [875811152] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:23:31,077 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:23:31,078 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 14] total 21 [2021-06-16 21:23:31,078 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082442983] [2021-06-16 21:23:31,078 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-16 21:23:31,078 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:23:31,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-16 21:23:31,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=322, Unknown=0, NotChecked=0, Total=462 [2021-06-16 21:23:31,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:23:31,079 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:23:31,080 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 5.2272727272727275) internal successors, (115), 21 states have internal predecessors, (115), 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) [2021-06-16 21:23:31,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:23:31,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:23:31,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:23:31,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-16 21:23:31,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 21:23:31,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:23:31,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:23:31,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:23:31,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-16 21:23:31,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:23:31,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:23:31,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:23:31,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:23:31,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-16 21:23:31,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 21:23:31,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:23:31,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:23:31,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:23:31,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-16 21:23:31,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-16 21:23:31,851 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 21:23:31,851 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:23:31,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:23:31,852 INFO L82 PathProgramCache]: Analyzing trace with hash -798632127, now seen corresponding path program 11 times [2021-06-16 21:23:31,852 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:23:31,852 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20989182] [2021-06-16 21:23:31,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:23:31,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:23:32,043 INFO L134 CoverageAnalysis]: Checked inductivity of 2492 backedges. 1242 proven. 210 refuted. 0 times theorem prover too weak. 1040 trivial. 0 not checked. [2021-06-16 21:23:32,044 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:23:32,044 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20989182] [2021-06-16 21:23:32,044 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20989182] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:23:32,044 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1058123989] [2021-06-16 21:23:32,044 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 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 [2021-06-16 21:23:32,261 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 33 check-sat command(s) [2021-06-16 21:23:32,261 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 21:23:32,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 642 conjuncts, 46 conjunts are in the unsatisfiable core [2021-06-16 21:23:32,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:23:33,879 INFO L134 CoverageAnalysis]: Checked inductivity of 2492 backedges. 553 proven. 1503 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2021-06-16 21:23:33,880 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1058123989] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:23:33,880 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:23:33,880 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 45] total 59 [2021-06-16 21:23:33,880 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004459456] [2021-06-16 21:23:33,881 INFO L462 AbstractCegarLoop]: Interpolant automaton has 60 states [2021-06-16 21:23:33,881 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:23:33,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2021-06-16 21:23:33,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=463, Invalid=3077, Unknown=0, NotChecked=0, Total=3540 [2021-06-16 21:23:33,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:23:33,886 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:23:33,887 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 60 states, 60 states have (on average 4.066666666666666) internal successors, (244), 59 states have internal predecessors, (244), 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) [2021-06-16 21:23:33,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:23:33,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:23:33,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:23:33,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-16 21:23:33,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 21:23:33,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:23:33,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:23:33,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:23:33,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-16 21:23:33,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-16 21:23:33,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:23:35,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:23:35,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:23:35,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:23:35,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-16 21:23:35,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 21:23:35,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:23:35,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:23:35,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:23:35,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-16 21:23:35,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-16 21:23:35,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-16 21:23:36,160 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-06-16 21:23:36,161 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:23:36,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:23:36,162 INFO L82 PathProgramCache]: Analyzing trace with hash -1493578873, now seen corresponding path program 12 times [2021-06-16 21:23:36,162 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:23:36,162 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969570203] [2021-06-16 21:23:36,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:23:36,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:23:38,045 INFO L134 CoverageAnalysis]: Checked inductivity of 2660 backedges. 681 proven. 1094 refuted. 0 times theorem prover too weak. 885 trivial. 0 not checked. [2021-06-16 21:23:38,046 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:23:38,046 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969570203] [2021-06-16 21:23:38,046 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969570203] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:23:38,046 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [166648090] [2021-06-16 21:23:38,046 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 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 [2021-06-16 21:23:38,204 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 31 check-sat command(s) [2021-06-16 21:23:38,204 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 21:23:38,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 618 conjuncts, 39 conjunts are in the unsatisfiable core [2021-06-16 21:23:38,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:23:39,639 INFO L134 CoverageAnalysis]: Checked inductivity of 2660 backedges. 1554 proven. 144 refuted. 0 times theorem prover too weak. 962 trivial. 0 not checked. [2021-06-16 21:23:39,640 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [166648090] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:23:39,640 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:23:39,640 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [64, 27] total 90 [2021-06-16 21:23:39,640 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620153017] [2021-06-16 21:23:39,641 INFO L462 AbstractCegarLoop]: Interpolant automaton has 91 states [2021-06-16 21:23:39,641 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:23:39,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2021-06-16 21:23:39,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1354, Invalid=6836, Unknown=0, NotChecked=0, Total=8190 [2021-06-16 21:23:39,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:23:39,644 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:23:39,645 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 91 states, 91 states have (on average 3.076923076923077) internal successors, (280), 90 states have internal predecessors, (280), 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) [2021-06-16 21:23:39,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:23:39,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:23:39,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:23:39,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-16 21:23:39,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 21:23:39,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:23:39,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:23:39,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:23:39,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-16 21:23:39,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-16 21:23:39,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-16 21:23:39,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:23:42,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:23:42,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:23:42,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:23:42,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-16 21:23:42,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 21:23:42,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:23:42,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:23:42,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:23:42,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-16 21:23:42,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-16 21:23:42,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-16 21:23:42,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-06-16 21:23:43,140 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 21:23:43,141 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:23:43,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:23:43,141 INFO L82 PathProgramCache]: Analyzing trace with hash -1303324419, now seen corresponding path program 13 times [2021-06-16 21:23:43,142 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:23:43,142 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814173790] [2021-06-16 21:23:43,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:23:43,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:23:43,637 INFO L134 CoverageAnalysis]: Checked inductivity of 7917 backedges. 4505 proven. 925 refuted. 0 times theorem prover too weak. 2487 trivial. 0 not checked. [2021-06-16 21:23:43,637 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:23:43,638 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814173790] [2021-06-16 21:23:43,638 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814173790] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:23:43,638 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [889719691] [2021-06-16 21:23:43,638 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 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 [2021-06-16 21:23:43,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:23:43,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 1027 conjuncts, 52 conjunts are in the unsatisfiable core [2021-06-16 21:23:43,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:23:44,346 INFO L134 CoverageAnalysis]: Checked inductivity of 7917 backedges. 4505 proven. 925 refuted. 0 times theorem prover too weak. 2487 trivial. 0 not checked. [2021-06-16 21:23:44,346 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [889719691] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:23:44,346 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:23:44,346 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 27] total 28 [2021-06-16 21:23:44,347 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275067335] [2021-06-16 21:23:44,347 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-06-16 21:23:44,347 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:23:44,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-06-16 21:23:44,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=406, Invalid=406, Unknown=0, NotChecked=0, Total=812 [2021-06-16 21:23:44,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:23:44,348 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:23:44,349 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 5.655172413793103) internal successors, (164), 28 states have internal predecessors, (164), 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) [2021-06-16 21:23:44,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:23:44,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:23:44,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:23:44,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-16 21:23:44,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 21:23:44,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:23:44,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:23:44,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:23:44,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-16 21:23:44,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-16 21:23:44,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-16 21:23:44,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-06-16 21:23:44,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:23:44,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:23:44,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:23:44,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:23:44,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-16 21:23:44,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 21:23:44,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:23:44,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:23:44,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:23:44,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-16 21:23:44,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-16 21:23:44,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-16 21:23:44,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-06-16 21:23:44,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 21:23:44,748 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-06-16 21:23:44,749 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:23:44,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:23:44,749 INFO L82 PathProgramCache]: Analyzing trace with hash 926210013, now seen corresponding path program 14 times [2021-06-16 21:23:44,749 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:23:44,749 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061527479] [2021-06-16 21:23:44,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:23:44,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:23:46,901 INFO L134 CoverageAnalysis]: Checked inductivity of 8068 backedges. 1829 proven. 4381 refuted. 0 times theorem prover too weak. 1858 trivial. 0 not checked. [2021-06-16 21:23:46,901 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:23:46,901 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061527479] [2021-06-16 21:23:46,901 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061527479] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:23:46,901 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1325341256] [2021-06-16 21:23:46,902 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 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 [2021-06-16 21:23:47,058 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-16 21:23:47,059 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 21:23:47,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 1034 conjuncts, 84 conjunts are in the unsatisfiable core [2021-06-16 21:23:47,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:23:52,342 INFO L134 CoverageAnalysis]: Checked inductivity of 8068 backedges. 1829 proven. 4889 refuted. 0 times theorem prover too weak. 1350 trivial. 0 not checked. [2021-06-16 21:23:52,342 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1325341256] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:23:52,343 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:23:52,343 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [73, 83] total 155 [2021-06-16 21:23:52,343 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811519050] [2021-06-16 21:23:52,343 INFO L462 AbstractCegarLoop]: Interpolant automaton has 156 states [2021-06-16 21:23:52,344 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:23:52,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 156 interpolants. [2021-06-16 21:23:52,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1986, Invalid=22194, Unknown=0, NotChecked=0, Total=24180 [2021-06-16 21:23:52,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:23:52,350 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:23:52,350 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 156 states, 156 states have (on average 3.1025641025641026) internal successors, (484), 155 states have internal predecessors, (484), 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) [2021-06-16 21:23:52,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:23:52,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:23:52,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:23:52,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-16 21:23:52,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 21:23:52,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:23:52,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:23:52,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:23:52,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-16 21:23:52,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-16 21:23:52,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-16 21:23:52,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-06-16 21:23:52,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 21:23:52,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:24:04,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:24:04,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:24:04,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:24:04,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-16 21:24:04,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 21:24:04,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:24:04,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:24:04,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:24:04,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-16 21:24:04,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-16 21:24:04,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-16 21:24:04,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2021-06-16 21:24:04,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 21:24:04,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 155 states. [2021-06-16 21:24:04,816 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 21:24:04,816 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:24:04,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:24:04,817 INFO L82 PathProgramCache]: Analyzing trace with hash -123998208, now seen corresponding path program 15 times [2021-06-16 21:24:04,817 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:24:04,817 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315223192] [2021-06-16 21:24:04,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:24:04,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:24:17,492 INFO L134 CoverageAnalysis]: Checked inductivity of 9741 backedges. 3775 proven. 4471 refuted. 0 times theorem prover too weak. 1495 trivial. 0 not checked. [2021-06-16 21:24:17,493 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:24:17,493 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315223192] [2021-06-16 21:24:17,493 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315223192] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:24:17,493 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2133990271] [2021-06-16 21:24:17,493 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 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 [2021-06-16 21:24:17,822 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 48 check-sat command(s) [2021-06-16 21:24:17,822 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 21:24:17,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 1041 conjuncts, 79 conjunts are in the unsatisfiable core [2021-06-16 21:24:17,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:24:21,559 INFO L134 CoverageAnalysis]: Checked inductivity of 9741 backedges. 2665 proven. 1387 refuted. 0 times theorem prover too weak. 5689 trivial. 0 not checked. [2021-06-16 21:24:21,559 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2133990271] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:24:21,559 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:24:21,559 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [179, 34] total 212 [2021-06-16 21:24:21,560 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233114378] [2021-06-16 21:24:21,560 INFO L462 AbstractCegarLoop]: Interpolant automaton has 213 states [2021-06-16 21:24:21,560 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:24:21,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 213 interpolants. [2021-06-16 21:24:21,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7629, Invalid=37527, Unknown=0, NotChecked=0, Total=45156 [2021-06-16 21:24:21,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:24:21,567 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:24:21,567 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 213 states, 213 states have (on average 2.2018779342723005) internal successors, (469), 212 states have internal predecessors, (469), 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) [2021-06-16 21:24:21,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:24:21,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:24:21,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:24:21,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-16 21:24:21,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 21:24:21,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:24:21,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:24:21,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:24:21,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-16 21:24:21,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-16 21:24:21,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-16 21:24:21,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2021-06-16 21:24:21,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 21:24:21,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 155 states. [2021-06-16 21:24:21,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:24:42,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:24:42,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:24:42,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:24:42,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-16 21:24:42,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 21:24:42,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:24:42,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:24:42,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:24:42,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-16 21:24:42,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-16 21:24:42,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-16 21:24:42,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2021-06-16 21:24:42,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 21:24:42,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2021-06-16 21:24:42,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 301 states. [2021-06-16 21:24:42,322 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-06-16 21:24:42,323 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:24:42,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:24:42,323 INFO L82 PathProgramCache]: Analyzing trace with hash 1656142775, now seen corresponding path program 16 times [2021-06-16 21:24:42,324 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:24:42,324 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836640278] [2021-06-16 21:24:42,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:24:42,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:24:43,384 INFO L134 CoverageAnalysis]: Checked inductivity of 49123 backedges. 11913 proven. 9840 refuted. 0 times theorem prover too weak. 27370 trivial. 0 not checked. [2021-06-16 21:24:43,384 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:24:43,384 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836640278] [2021-06-16 21:24:43,384 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836640278] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:24:43,385 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1215390080] [2021-06-16 21:24:43,385 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 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 [2021-06-16 21:24:43,770 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-16 21:24:43,770 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 21:24:43,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 2632 conjuncts, 198 conjunts are in the unsatisfiable core [2021-06-16 21:24:43,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:24:47,193 INFO L134 CoverageAnalysis]: Checked inductivity of 49123 backedges. 21441 proven. 9347 refuted. 0 times theorem prover too weak. 18335 trivial. 0 not checked. [2021-06-16 21:24:47,194 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1215390080] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:24:47,194 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:24:47,194 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 56] total 90 [2021-06-16 21:24:47,194 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675550587] [2021-06-16 21:24:47,196 INFO L462 AbstractCegarLoop]: Interpolant automaton has 91 states [2021-06-16 21:24:47,196 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:24:47,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2021-06-16 21:24:47,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2225, Invalid=5965, Unknown=0, NotChecked=0, Total=8190 [2021-06-16 21:24:47,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:24:47,197 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:24:47,198 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 91 states, 91 states have (on average 4.945054945054945) internal successors, (450), 90 states have internal predecessors, (450), 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) [2021-06-16 21:24:47,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:24:47,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:24:47,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:24:47,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-16 21:24:47,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 21:24:47,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:24:47,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:24:47,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:24:47,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-16 21:24:47,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-16 21:24:47,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-16 21:24:47,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2021-06-16 21:24:47,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 21:24:47,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 156 states. [2021-06-16 21:24:47,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 301 states. [2021-06-16 21:24:47,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:24:50,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:24:50,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:24:50,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:24:50,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-16 21:24:50,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 21:24:50,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:24:50,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:24:50,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:24:50,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-16 21:24:50,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-16 21:24:50,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-16 21:24:50,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2021-06-16 21:24:50,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 21:24:50,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2021-06-16 21:24:50,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 301 states. [2021-06-16 21:24:50,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2021-06-16 21:24:50,831 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 21:24:50,831 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:24:50,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:24:50,832 INFO L82 PathProgramCache]: Analyzing trace with hash -1051171404, now seen corresponding path program 17 times [2021-06-16 21:24:50,832 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:24:50,832 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852247281] [2021-06-16 21:24:50,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:24:50,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:24:52,549 INFO L134 CoverageAnalysis]: Checked inductivity of 54740 backedges. 24750 proven. 4347 refuted. 0 times theorem prover too weak. 25643 trivial. 0 not checked. [2021-06-16 21:24:52,549 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:24:52,549 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852247281] [2021-06-16 21:24:52,549 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852247281] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:24:52,549 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [228237109] [2021-06-16 21:24:52,550 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 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 [2021-06-16 21:24:57,765 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 138 check-sat command(s) [2021-06-16 21:24:57,766 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 21:24:57,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 2787 conjuncts, 211 conjunts are in the unsatisfiable core [2021-06-16 21:24:57,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:25:15,585 INFO L134 CoverageAnalysis]: Checked inductivity of 54740 backedges. 13024 proven. 32502 refuted. 0 times theorem prover too weak. 9214 trivial. 0 not checked. [2021-06-16 21:25:15,586 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [228237109] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:25:15,586 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:25:15,586 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 210] total 266 [2021-06-16 21:25:15,586 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536732076] [2021-06-16 21:25:15,587 INFO L462 AbstractCegarLoop]: Interpolant automaton has 267 states [2021-06-16 21:25:15,587 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:25:15,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 267 interpolants. [2021-06-16 21:25:15,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7813, Invalid=63209, Unknown=0, NotChecked=0, Total=71022 [2021-06-16 21:25:15,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:25:15,594 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:25:15,594 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 267 states, 267 states have (on average 3.554307116104869) internal successors, (949), 266 states have internal predecessors, (949), 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) [2021-06-16 21:25:15,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:25:15,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:25:15,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:25:15,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-16 21:25:15,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 21:25:15,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:25:15,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:25:15,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:25:15,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-16 21:25:15,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-16 21:25:15,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-16 21:25:15,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2021-06-16 21:25:15,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 21:25:15,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 156 states. [2021-06-16 21:25:15,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 301 states. [2021-06-16 21:25:15,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2021-06-16 21:25:15,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:25:36,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:25:36,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:25:36,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:25:36,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-16 21:25:36,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 21:25:36,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:25:36,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:25:36,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:25:36,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-16 21:25:36,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-16 21:25:36,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-16 21:25:36,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2021-06-16 21:25:36,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 21:25:36,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2021-06-16 21:25:36,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 301 states. [2021-06-16 21:25:36,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2021-06-16 21:25:36,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 267 states. [2021-06-16 21:25:36,928 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-06-16 21:25:36,929 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:25:36,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:25:36,929 INFO L82 PathProgramCache]: Analyzing trace with hash 243556218, now seen corresponding path program 18 times [2021-06-16 21:25:36,930 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:25:36,930 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249772732] [2021-06-16 21:25:36,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:25:37,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:26:12,500 INFO L134 CoverageAnalysis]: Checked inductivity of 70847 backedges. 22539 proven. 30758 refuted. 0 times theorem prover too weak. 17550 trivial. 0 not checked. [2021-06-16 21:26:12,501 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:26:12,501 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249772732] [2021-06-16 21:26:12,501 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249772732] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:26:12,501 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [577748812] [2021-06-16 21:26:12,501 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 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 [2021-06-16 21:26:15,686 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 166 check-sat command(s) [2021-06-16 21:26:15,686 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 21:26:15,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 2889 conjuncts, 222 conjunts are in the unsatisfiable core [2021-06-16 21:26:15,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:27:03,071 INFO L134 CoverageAnalysis]: Checked inductivity of 70847 backedges. 40360 proven. 17767 refuted. 0 times theorem prover too weak. 12720 trivial. 0 not checked. [2021-06-16 21:27:03,072 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [577748812] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:27:03,072 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:27:03,072 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [334, 221] total 554 [2021-06-16 21:27:03,073 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127240453] [2021-06-16 21:27:03,074 INFO L462 AbstractCegarLoop]: Interpolant automaton has 555 states [2021-06-16 21:27:03,074 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:27:03,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 555 interpolants. [2021-06-16 21:27:03,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38192, Invalid=269278, Unknown=0, NotChecked=0, Total=307470 [2021-06-16 21:27:03,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:27:03,091 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:27:03,092 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 555 states, 555 states have (on average 2.6972972972972973) internal successors, (1497), 554 states have internal predecessors, (1497), 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) [2021-06-16 21:27:03,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:27:03,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:27:03,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:27:03,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-16 21:27:03,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 21:27:03,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:27:03,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:27:03,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:27:03,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-16 21:27:03,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-16 21:27:03,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-16 21:27:03,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2021-06-16 21:27:03,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 21:27:03,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 156 states. [2021-06-16 21:27:03,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 301 states. [2021-06-16 21:27:03,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2021-06-16 21:27:03,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 267 states. [2021-06-16 21:27:03,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:27:37,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:27:37,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:27:37,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:27:37,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-16 21:27:37,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 21:27:37,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:27:37,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:27:37,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:27:37,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-16 21:27:37,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-16 21:27:37,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-16 21:27:37,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 184 states. [2021-06-16 21:27:37,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 21:27:37,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2021-06-16 21:27:37,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 301 states. [2021-06-16 21:27:37,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2021-06-16 21:27:37,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 267 states. [2021-06-16 21:27:37,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 335 states. [2021-06-16 21:27:37,747 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-06-16 21:27:37,747 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:27:37,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:27:37,748 INFO L82 PathProgramCache]: Analyzing trace with hash 1293797720, now seen corresponding path program 19 times [2021-06-16 21:27:37,748 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:27:37,748 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410059974] [2021-06-16 21:27:37,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:27:39,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:29:11,904 INFO L134 CoverageAnalysis]: Checked inductivity of 148565 backedges. 40018 proven. 90657 refuted. 0 times theorem prover too weak. 17890 trivial. 0 not checked. [2021-06-16 21:29:11,904 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:29:11,905 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410059974] [2021-06-16 21:29:11,905 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410059974] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:29:11,905 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1163200400] [2021-06-16 21:29:11,905 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 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 [2021-06-16 21:29:12,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:29:12,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 4313 conjuncts, 384 conjunts are in the unsatisfiable core [2021-06-16 21:29:12,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:29:44,780 INFO L134 CoverageAnalysis]: Checked inductivity of 148565 backedges. 86314 proven. 30808 refuted. 0 times theorem prover too weak. 31443 trivial. 0 not checked. [2021-06-16 21:29:44,780 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1163200400] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:29:44,780 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:29:44,780 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [539, 113] total 651 [2021-06-16 21:29:44,781 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284701921] [2021-06-16 21:29:44,782 INFO L462 AbstractCegarLoop]: Interpolant automaton has 652 states [2021-06-16 21:29:44,782 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:29:44,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 652 interpolants. [2021-06-16 21:29:44,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50417, Invalid=374035, Unknown=0, NotChecked=0, Total=424452 [2021-06-16 21:29:44,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:29:44,797 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:29:44,798 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 652 states, 652 states have (on average 2.562883435582822) internal successors, (1671), 651 states have internal predecessors, (1671), 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) [2021-06-16 21:29:44,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:29:44,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:29:44,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:29:44,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-16 21:29:44,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 21:29:44,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:29:44,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:29:44,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:29:44,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-16 21:29:44,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-16 21:29:44,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-06-16 21:29:44,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 184 states. [2021-06-16 21:29:44,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 21:29:44,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 156 states. [2021-06-16 21:29:44,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 301 states. [2021-06-16 21:29:44,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2021-06-16 21:29:44,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 267 states. [2021-06-16 21:29:44,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 335 states. [2021-06-16 21:29:44,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:31:47,010 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2021-06-16 21:31:57,489 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 17 Received shutdown request... [2021-06-16 21:34:46,120 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-06-16 21:34:46,121 WARN L547 AbstractCegarLoop]: Verification canceled [2021-06-16 21:34:46,151 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-16 21:34:46,152 WARN L196 ceAbstractionStarter]: Timeout [2021-06-16 21:34:46,153 INFO L202 PluginConnector]: Adding new model buffer-mult.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.06 09:34:46 BasicIcfg [2021-06-16 21:34:46,153 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-16 21:34:46,153 INFO L168 Benchmark]: Toolchain (without parser) took 685248.79 ms. Allocated memory was 184.5 MB in the beginning and 4.4 GB in the end (delta: 4.3 GB). Free memory was 164.7 MB in the beginning and 1.7 GB in the end (delta: -1.5 GB). Peak memory consumption was 2.7 GB. Max. memory is 8.0 GB. [2021-06-16 21:34:46,153 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.16 ms. Allocated memory is still 184.5 MB. Free memory is still 165.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-16 21:34:46,153 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.54 ms. Allocated memory is still 184.5 MB. Free memory was 164.7 MB in the beginning and 163.3 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-06-16 21:34:46,153 INFO L168 Benchmark]: Boogie Preprocessor took 26.86 ms. Allocated memory is still 184.5 MB. Free memory was 163.1 MB in the beginning and 162.1 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-16 21:34:46,153 INFO L168 Benchmark]: RCFGBuilder took 395.32 ms. Allocated memory is still 184.5 MB. Free memory was 162.1 MB in the beginning and 146.8 MB in the end (delta: 15.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-06-16 21:34:46,154 INFO L168 Benchmark]: TraceAbstraction took 684791.78 ms. Allocated memory was 184.5 MB in the beginning and 4.4 GB in the end (delta: 4.3 GB). Free memory was 146.3 MB in the beginning and 1.7 GB in the end (delta: -1.5 GB). Peak memory consumption was 2.7 GB. Max. memory is 8.0 GB. [2021-06-16 21:34:46,154 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 184.5 MB. Free memory is still 165.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 29.54 ms. Allocated memory is still 184.5 MB. Free memory was 164.7 MB in the beginning and 163.3 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Preprocessor took 26.86 ms. Allocated memory is still 184.5 MB. Free memory was 163.1 MB in the beginning and 162.1 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 395.32 ms. Allocated memory is still 184.5 MB. Free memory was 162.1 MB in the beginning and 146.8 MB in the end (delta: 15.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 684791.78 ms. Allocated memory was 184.5 MB in the beginning and 4.4 GB in the end (delta: 4.3 GB). Free memory was 146.3 MB in the beginning and 1.7 GB in the end (delta: -1.5 GB). Peak memory consumption was 2.7 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4697355, positive: 4303090, positive conditional: 4303090, positive unconditional: 0, negative: 394265, negative conditional: 394265, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 4305276, positive: 4303090, positive conditional: 4303090, positive unconditional: 0, negative: 2186, negative conditional: 2186, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 4305276, positive: 3924948, positive conditional: 0, positive unconditional: 3924948, negative: 380328, negative conditional: 0, negative unconditional: 380328, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 142, positive: 132, positive conditional: 0, positive unconditional: 132, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 142, positive: 131, positive conditional: 0, positive unconditional: 131, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1254, positive: 377, positive conditional: 376, positive unconditional: 1, negative: 877, negative conditional: 867, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3072, positive: 949, positive conditional: 927, positive unconditional: 22, negative: 2123, negative conditional: 1988, negative unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4305276, positive: 3924816, positive conditional: 0, positive unconditional: 3924816, negative: 380318, negative conditional: 0, negative unconditional: 380318, unknown: 142, unknown conditional: 0, unknown unconditional: 142] , Statistics on independence cache: Total cache size (in pairs): 1385, Positive cache size: 508, Positive conditional cache size: 376, Positive unconditional cache size: 132, Negative cache size: 877, Negative conditional cache size: 867, Negative unconditional cache size: 10, SemanticConditionEliminator.Independence Queries: [ total: 2459779, positive: 378142, positive conditional: 378142, positive unconditional: 0, negative: 2081637, negative conditional: 572260, negative unconditional: 1509377, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2459779, positive: 378142, positive conditional: 378142, positive unconditional: 0, negative: 2081637, negative conditional: 572260, negative unconditional: 1509377, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1254, positive: 377, positive conditional: 376, positive unconditional: 1, negative: 877, negative conditional: 867, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3072, positive: 949, positive conditional: 927, positive unconditional: 22, negative: 2123, negative conditional: 1988, negative unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2459779, positive: 377766, positive conditional: 377766, positive unconditional: 0, negative: 2080770, negative conditional: 571393, negative unconditional: 1509377, unknown: 1243, unknown conditional: 1243, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1385, Positive cache size: 508, Positive conditional cache size: 376, Positive unconditional cache size: 132, Negative cache size: 877, Negative conditional cache size: 867, Negative unconditional cache size: 10, Eliminated conditions: 1509377, SemanticConditionEliminator.Independence Queries: [ total: 2459779, positive: 378142, positive conditional: 378142, positive unconditional: 0, negative: 2081637, negative conditional: 572260, negative unconditional: 1509377, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2459779, positive: 378142, positive conditional: 378142, positive unconditional: 0, negative: 2081637, negative conditional: 572260, negative unconditional: 1509377, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1254, positive: 377, positive conditional: 376, positive unconditional: 1, negative: 877, negative conditional: 867, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3072, positive: 949, positive conditional: 927, positive unconditional: 22, negative: 2123, negative conditional: 1988, negative unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2459779, positive: 377766, positive conditional: 377766, positive unconditional: 0, negative: 2080770, negative conditional: 571393, negative unconditional: 1509377, unknown: 1243, unknown conditional: 1243, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1385, Positive cache size: 508, Positive conditional cache size: 376, Positive unconditional cache size: 132, Negative cache size: 877, Negative conditional cache size: 867, Negative unconditional cache size: 10, Eliminated conditions: 1509377, SemanticConditionEliminator.Independence Queries: [ total: 2459779, positive: 378142, positive conditional: 378142, positive unconditional: 0, negative: 2081637, negative conditional: 572260, negative unconditional: 1509377, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2459779, positive: 378142, positive conditional: 378142, positive unconditional: 0, negative: 2081637, negative conditional: 572260, negative unconditional: 1509377, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1254, positive: 377, positive conditional: 376, positive unconditional: 1, negative: 877, negative conditional: 867, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3072, positive: 949, positive conditional: 927, positive unconditional: 22, negative: 2123, negative conditional: 1988, negative unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2459779, positive: 377766, positive conditional: 377766, positive unconditional: 0, negative: 2080770, negative conditional: 571393, negative unconditional: 1509377, unknown: 1243, unknown conditional: 1243, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1385, Positive cache size: 508, Positive conditional cache size: 376, Positive unconditional cache size: 132, Negative cache size: 877, Negative conditional cache size: 867, Negative unconditional cache size: 10, Eliminated conditions: 1509377, SemanticConditionEliminator.Independence Queries: [ total: 2459779, positive: 378142, positive conditional: 378142, positive unconditional: 0, negative: 2081637, negative conditional: 572260, negative unconditional: 1509377, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2459779, positive: 378142, positive conditional: 378142, positive unconditional: 0, negative: 2081637, negative conditional: 572260, negative unconditional: 1509377, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1254, positive: 377, positive conditional: 376, positive unconditional: 1, negative: 877, negative conditional: 867, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3072, positive: 949, positive conditional: 927, positive unconditional: 22, negative: 2123, negative conditional: 1988, negative unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2459779, positive: 377766, positive conditional: 377766, positive unconditional: 0, negative: 2080770, negative conditional: 571393, negative unconditional: 1509377, unknown: 1243, unknown conditional: 1243, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1385, Positive cache size: 508, Positive conditional cache size: 376, Positive unconditional cache size: 132, Negative cache size: 877, Negative conditional cache size: 867, Negative unconditional cache size: 10, Eliminated conditions: 1509377, SemanticConditionEliminator.Independence Queries: [ total: 2459779, positive: 378142, positive conditional: 378142, positive unconditional: 0, negative: 2081637, negative conditional: 572260, negative unconditional: 1509377, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2459779, positive: 378142, positive conditional: 378142, positive unconditional: 0, negative: 2081637, negative conditional: 572260, negative unconditional: 1509377, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1254, positive: 377, positive conditional: 376, positive unconditional: 1, negative: 877, negative conditional: 867, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3072, positive: 949, positive conditional: 927, positive unconditional: 22, negative: 2123, negative conditional: 1988, negative unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2459779, positive: 377766, positive conditional: 377766, positive unconditional: 0, negative: 2080770, negative conditional: 571393, negative unconditional: 1509377, unknown: 1243, unknown conditional: 1243, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1385, Positive cache size: 508, Positive conditional cache size: 376, Positive unconditional cache size: 132, Negative cache size: 877, Negative conditional cache size: 867, Negative unconditional cache size: 10, Eliminated conditions: 1509377, SemanticConditionEliminator.Independence Queries: [ total: 2459779, positive: 378142, positive conditional: 378142, positive unconditional: 0, negative: 2081637, negative conditional: 572260, negative unconditional: 1509377, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2459779, positive: 378142, positive conditional: 378142, positive unconditional: 0, negative: 2081637, negative conditional: 572260, negative unconditional: 1509377, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1254, positive: 377, positive conditional: 376, positive unconditional: 1, negative: 877, negative conditional: 867, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3072, positive: 949, positive conditional: 927, positive unconditional: 22, negative: 2123, negative conditional: 1988, negative unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2459779, positive: 377766, positive conditional: 377766, positive unconditional: 0, negative: 2080770, negative conditional: 571393, negative unconditional: 1509377, unknown: 1243, unknown conditional: 1243, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1385, Positive cache size: 508, Positive conditional cache size: 376, Positive unconditional cache size: 132, Negative cache size: 877, Negative conditional cache size: 867, Negative unconditional cache size: 10, Eliminated conditions: 1509377, SemanticConditionEliminator.Independence Queries: [ total: 2459779, positive: 378142, positive conditional: 378142, positive unconditional: 0, negative: 2081637, negative conditional: 572260, negative unconditional: 1509377, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2459779, positive: 378142, positive conditional: 378142, positive unconditional: 0, negative: 2081637, negative conditional: 572260, negative unconditional: 1509377, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1254, positive: 377, positive conditional: 376, positive unconditional: 1, negative: 877, negative conditional: 867, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3072, positive: 949, positive conditional: 927, positive unconditional: 22, negative: 2123, negative conditional: 1988, negative unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2459779, positive: 377766, positive conditional: 377766, positive unconditional: 0, negative: 2080770, negative conditional: 571393, negative unconditional: 1509377, unknown: 1243, unknown conditional: 1243, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1385, Positive cache size: 508, Positive conditional cache size: 376, Positive unconditional cache size: 132, Negative cache size: 877, Negative conditional cache size: 867, Negative unconditional cache size: 10, Eliminated conditions: 1509377, SemanticConditionEliminator.Independence Queries: [ total: 2459779, positive: 378142, positive conditional: 378142, positive unconditional: 0, negative: 2081637, negative conditional: 572260, negative unconditional: 1509377, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2459779, positive: 378142, positive conditional: 378142, positive unconditional: 0, negative: 2081637, negative conditional: 572260, negative unconditional: 1509377, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1254, positive: 377, positive conditional: 376, positive unconditional: 1, negative: 877, negative conditional: 867, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3072, positive: 949, positive conditional: 927, positive unconditional: 22, negative: 2123, negative conditional: 1988, negative unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2459779, positive: 377766, positive conditional: 377766, positive unconditional: 0, negative: 2080770, negative conditional: 571393, negative unconditional: 1509377, unknown: 1243, unknown conditional: 1243, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1385, Positive cache size: 508, Positive conditional cache size: 376, Positive unconditional cache size: 132, Negative cache size: 877, Negative conditional cache size: 867, Negative unconditional cache size: 10, Eliminated conditions: 1509377, SemanticConditionEliminator.Independence Queries: [ total: 2459779, positive: 378142, positive conditional: 378142, positive unconditional: 0, negative: 2081637, negative conditional: 572260, negative unconditional: 1509377, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2459779, positive: 378142, positive conditional: 378142, positive unconditional: 0, negative: 2081637, negative conditional: 572260, negative unconditional: 1509377, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1254, positive: 377, positive conditional: 376, positive unconditional: 1, negative: 877, negative conditional: 867, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3072, positive: 949, positive conditional: 927, positive unconditional: 22, negative: 2123, negative conditional: 1988, negative unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2459779, positive: 377766, positive conditional: 377766, positive unconditional: 0, negative: 2080770, negative conditional: 571393, negative unconditional: 1509377, unknown: 1243, unknown conditional: 1243, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1385, Positive cache size: 508, Positive conditional cache size: 376, Positive unconditional cache size: 132, Negative cache size: 877, Negative conditional cache size: 867, Negative unconditional cache size: 10, Eliminated conditions: 1509377, SemanticConditionEliminator.Independence Queries: [ total: 2459779, positive: 378142, positive conditional: 378142, positive unconditional: 0, negative: 2081637, negative conditional: 572260, negative unconditional: 1509377, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2459779, positive: 378142, positive conditional: 378142, positive unconditional: 0, negative: 2081637, negative conditional: 572260, negative unconditional: 1509377, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1254, positive: 377, positive conditional: 376, positive unconditional: 1, negative: 877, negative conditional: 867, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3072, positive: 949, positive conditional: 927, positive unconditional: 22, negative: 2123, negative conditional: 1988, negative unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2459779, positive: 377766, positive conditional: 377766, positive unconditional: 0, negative: 2080770, negative conditional: 571393, negative unconditional: 1509377, unknown: 1243, unknown conditional: 1243, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1385, Positive cache size: 508, Positive conditional cache size: 376, Positive unconditional cache size: 132, Negative cache size: 877, Negative conditional cache size: 867, Negative unconditional cache size: 10, Eliminated conditions: 1509377, SemanticConditionEliminator.Independence Queries: [ total: 2459779, positive: 378142, positive conditional: 378142, positive unconditional: 0, negative: 2081637, negative conditional: 572260, negative unconditional: 1509377, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2459779, positive: 378142, positive conditional: 378142, positive unconditional: 0, negative: 2081637, negative conditional: 572260, negative unconditional: 1509377, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1254, positive: 377, positive conditional: 376, positive unconditional: 1, negative: 877, negative conditional: 867, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3072, positive: 949, positive conditional: 927, positive unconditional: 22, negative: 2123, negative conditional: 1988, negative unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2459779, positive: 377766, positive conditional: 377766, positive unconditional: 0, negative: 2080770, negative conditional: 571393, negative unconditional: 1509377, unknown: 1243, unknown conditional: 1243, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1385, Positive cache size: 508, Positive conditional cache size: 376, Positive unconditional cache size: 132, Negative cache size: 877, Negative conditional cache size: 867, Negative unconditional cache size: 10, Eliminated conditions: 1509377, SemanticConditionEliminator.Independence Queries: [ total: 2459779, positive: 378142, positive conditional: 378142, positive unconditional: 0, negative: 2081637, negative conditional: 572260, negative unconditional: 1509377, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2459779, positive: 378142, positive conditional: 378142, positive unconditional: 0, negative: 2081637, negative conditional: 572260, negative unconditional: 1509377, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1254, positive: 377, positive conditional: 376, positive unconditional: 1, negative: 877, negative conditional: 867, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3072, positive: 949, positive conditional: 927, positive unconditional: 22, negative: 2123, negative conditional: 1988, negative unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2459779, positive: 377766, positive conditional: 377766, positive unconditional: 0, negative: 2080770, negative conditional: 571393, negative unconditional: 1509377, unknown: 1243, unknown conditional: 1243, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1385, Positive cache size: 508, Positive conditional cache size: 376, Positive unconditional cache size: 132, Negative cache size: 877, Negative conditional cache size: 867, Negative unconditional cache size: 10, Eliminated conditions: 1509377, SemanticConditionEliminator.Independence Queries: [ total: 2459779, positive: 378142, positive conditional: 378142, positive unconditional: 0, negative: 2081637, negative conditional: 572260, negative unconditional: 1509377, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2459779, positive: 378142, positive conditional: 378142, positive unconditional: 0, negative: 2081637, negative conditional: 572260, negative unconditional: 1509377, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1254, positive: 377, positive conditional: 376, positive unconditional: 1, negative: 877, negative conditional: 867, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3072, positive: 949, positive conditional: 927, positive unconditional: 22, negative: 2123, negative conditional: 1988, negative unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2459779, positive: 377766, positive conditional: 377766, positive unconditional: 0, negative: 2080770, negative conditional: 571393, negative unconditional: 1509377, unknown: 1243, unknown conditional: 1243, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1385, Positive cache size: 508, Positive conditional cache size: 376, Positive unconditional cache size: 132, Negative cache size: 877, Negative conditional cache size: 867, Negative unconditional cache size: 10, Eliminated conditions: 1509377, SemanticConditionEliminator.Independence Queries: [ total: 2459779, positive: 378142, positive conditional: 378142, positive unconditional: 0, negative: 2081637, negative conditional: 572260, negative unconditional: 1509377, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2459779, positive: 378142, positive conditional: 378142, positive unconditional: 0, negative: 2081637, negative conditional: 572260, negative unconditional: 1509377, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1254, positive: 377, positive conditional: 376, positive unconditional: 1, negative: 877, negative conditional: 867, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3072, positive: 949, positive conditional: 927, positive unconditional: 22, negative: 2123, negative conditional: 1988, negative unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2459779, positive: 377766, positive conditional: 377766, positive unconditional: 0, negative: 2080770, negative conditional: 571393, negative unconditional: 1509377, unknown: 1243, unknown conditional: 1243, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1385, Positive cache size: 508, Positive conditional cache size: 376, Positive unconditional cache size: 132, Negative cache size: 877, Negative conditional cache size: 867, Negative unconditional cache size: 10, Eliminated conditions: 1509377, SemanticConditionEliminator.Independence Queries: [ total: 2459779, positive: 378142, positive conditional: 378142, positive unconditional: 0, negative: 2081637, negative conditional: 572260, negative unconditional: 1509377, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2459779, positive: 378142, positive conditional: 378142, positive unconditional: 0, negative: 2081637, negative conditional: 572260, negative unconditional: 1509377, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1254, positive: 377, positive conditional: 376, positive unconditional: 1, negative: 877, negative conditional: 867, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3072, positive: 949, positive conditional: 927, positive unconditional: 22, negative: 2123, negative conditional: 1988, negative unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2459779, positive: 377766, positive conditional: 377766, positive unconditional: 0, negative: 2080770, negative conditional: 571393, negative unconditional: 1509377, unknown: 1243, unknown conditional: 1243, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1385, Positive cache size: 508, Positive conditional cache size: 376, Positive unconditional cache size: 132, Negative cache size: 877, Negative conditional cache size: 867, Negative unconditional cache size: 10, Eliminated conditions: 1509377, SemanticConditionEliminator.Independence Queries: [ total: 2459779, positive: 378142, positive conditional: 378142, positive unconditional: 0, negative: 2081637, negative conditional: 572260, negative unconditional: 1509377, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2459779, positive: 378142, positive conditional: 378142, positive unconditional: 0, negative: 2081637, negative conditional: 572260, negative unconditional: 1509377, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1254, positive: 377, positive conditional: 376, positive unconditional: 1, negative: 877, negative conditional: 867, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3072, positive: 949, positive conditional: 927, positive unconditional: 22, negative: 2123, negative conditional: 1988, negative unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2459779, positive: 377766, positive conditional: 377766, positive unconditional: 0, negative: 2080770, negative conditional: 571393, negative unconditional: 1509377, unknown: 1243, unknown conditional: 1243, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1385, Positive cache size: 508, Positive conditional cache size: 376, Positive unconditional cache size: 132, Negative cache size: 877, Negative conditional cache size: 867, Negative unconditional cache size: 10, Eliminated conditions: 1509377, SemanticConditionEliminator.Independence Queries: [ total: 2459779, positive: 378142, positive conditional: 378142, positive unconditional: 0, negative: 2081637, negative conditional: 572260, negative unconditional: 1509377, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2459779, positive: 378142, positive conditional: 378142, positive unconditional: 0, negative: 2081637, negative conditional: 572260, negative unconditional: 1509377, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1254, positive: 377, positive conditional: 376, positive unconditional: 1, negative: 877, negative conditional: 867, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3072, positive: 949, positive conditional: 927, positive unconditional: 22, negative: 2123, negative conditional: 1988, negative unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2459779, positive: 377766, positive conditional: 377766, positive unconditional: 0, negative: 2080770, negative conditional: 571393, negative unconditional: 1509377, unknown: 1243, unknown conditional: 1243, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1385, Positive cache size: 508, Positive conditional cache size: 376, Positive unconditional cache size: 132, Negative cache size: 877, Negative conditional cache size: 867, Negative unconditional cache size: 10, Eliminated conditions: 1509377, SemanticConditionEliminator.Independence Queries: [ total: 2459779, positive: 378142, positive conditional: 378142, positive unconditional: 0, negative: 2081637, negative conditional: 572260, negative unconditional: 1509377, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2459779, positive: 378142, positive conditional: 378142, positive unconditional: 0, negative: 2081637, negative conditional: 572260, negative unconditional: 1509377, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1254, positive: 377, positive conditional: 376, positive unconditional: 1, negative: 877, negative conditional: 867, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3072, positive: 949, positive conditional: 927, positive unconditional: 22, negative: 2123, negative conditional: 1988, negative unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2459779, positive: 377766, positive conditional: 377766, positive unconditional: 0, negative: 2080770, negative conditional: 571393, negative unconditional: 1509377, unknown: 1243, unknown conditional: 1243, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1385, Positive cache size: 508, Positive conditional cache size: 376, Positive unconditional cache size: 132, Negative cache size: 877, Negative conditional cache size: 867, Negative unconditional cache size: 10, Eliminated conditions: 1509377, SemanticConditionEliminator.Independence Queries: [ total: 2459779, positive: 378142, positive conditional: 378142, positive unconditional: 0, negative: 2081637, negative conditional: 572260, negative unconditional: 1509377, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2459779, positive: 378142, positive conditional: 378142, positive unconditional: 0, negative: 2081637, negative conditional: 572260, negative unconditional: 1509377, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1254, positive: 377, positive conditional: 376, positive unconditional: 1, negative: 877, negative conditional: 867, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3072, positive: 949, positive conditional: 927, positive unconditional: 22, negative: 2123, negative conditional: 1988, negative unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2459779, positive: 377766, positive conditional: 377766, positive unconditional: 0, negative: 2080770, negative conditional: 571393, negative unconditional: 1509377, unknown: 1243, unknown conditional: 1243, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1385, Positive cache size: 508, Positive conditional cache size: 376, Positive unconditional cache size: 132, Negative cache size: 877, Negative conditional cache size: 867, Negative unconditional cache size: 10, Eliminated conditions: 1509377 ], Maximal queried relation: 19, Independence queries for same thread: 392079 - TimeoutResultAtElement [Line: 82]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while executing SleepSetNewStateReduction. - 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: 684666.4ms, OverallIterations: 19, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 10.0ms, PartialOrderReductionTime: 401587.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 2687, 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: 609.6ms SsaConstructionTime, 14239.0ms SatisfiabilityAnalysisTime, 263393.9ms InterpolantComputationTime, 14673 NumberOfCodeBlocks, 14622 NumberOfCodeBlocksAsserted, 473 NumberOfCheckSat, 14636 ConstructedInterpolants, 12 QuantifiedInterpolants, 82876 SizeOfPredicates, 23 NumberOfNonLiveVariables, 18815 ConjunctsInSsa, 1443 ConjunctsInUnsatCore, 37 InterpolantComputations, 3 PerfectInterpolantSequences, 466301/712921 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 !SESSION 2021-06-16 21:23:19.026 ----------------------------------------------- eclipse.buildId=unknown java.version=11.0.11 java.vendor=Debian BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US Framework arguments: -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Symm.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/buffer-mult.wvr.bpl Command-line arguments: -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Symm.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/buffer-mult.wvr.bpl !ENTRY org.eclipse.osgi 4 0 2021-06-16 21:34:46.678 !MESSAGE Application error !STACK 1 org.eclipse.core.internal.resources.ResourceException(/)[568]: java.io.FileNotFoundException: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba0f1d4b9/.metadata/.plugins/org.eclipse.core.resources/.root/1.tree (No such file or directory) at java.base/java.io.FileOutputStream.open0(Native Method) at java.base/java.io.FileOutputStream.open(FileOutputStream.java:298) at java.base/java.io.FileOutputStream.(FileOutputStream.java:237) at java.base/java.io.FileOutputStream.(FileOutputStream.java:187) at org.eclipse.core.internal.localstore.SafeFileOutputStream.(SafeFileOutputStream.java:55) at org.eclipse.core.internal.resources.SaveManager.saveTree(SaveManager.java:1381) at org.eclipse.core.internal.resources.SaveManager.save(SaveManager.java:1168) at org.eclipse.core.internal.resources.Workspace.save(Workspace.java:2333) at org.eclipse.core.internal.resources.Workspace.save(Workspace.java:2322) at de.uni_freiburg.informatik.ultimate.core.coreplugin.UltimateCore.start(UltimateCore.java:191) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) An error has occurred. See the log file /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba0f1d4b9/.metadata/.log.